KillerReaver
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Joined 08-20-18, id: 11118298
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Contact by KE12 reviews
AU: Humanity failed to conquer FTL, having no Eezo in Sol, but they did manage to conquer many other technologies which have allowed them to become the masters of their solar system, but what happens when the Citadel Council stumble across them in the year 3517AD? The Citadel wants their technology, and Humanity wants out of Sol, but can a deal be struck?
Mass Effect - Rated: K+ - English - Sci-Fi - Chapters: 6 - Words: 39,949 - Reviews: 160 - Favs: 570 - Follows: 866 - Updated: 9/2 - Published: 4/3 - Shepard (F), Shepard (M), Councilor Tevos
False Masks: Spectre by Mandalorian Runescaper reviews
A Mass Effect/SWTOR crossover. The sequel to False Masks, picking up two years after the first instalment. In a galaxy weakened by the horror that was the Reaper War, a new threat will arise. Our heroes won't be able to stop it alone this time. Human OC/quarian OC pairing and Male Shepard/Kasumi Goto pairing. Feedback is much appreciated! Original title: False Masks: Shadows
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 26 - Words: 138,043 - Reviews: 54 - Favs: 37 - Follows: 61 - Updated: 9/1 - Published: 9/30/2018 - [OC, OC] [Shepard (M), Kasumi G.]
Once a Rookie, Always a Rookie by Twisted Fate MK 2 reviews
(Credit to Adrasos on Archive and his story, Prepare to Drop, for the idea.) On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, while Shepard tries to find and rescue the new Primarch. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 30 - Words: 156,633 - Reviews: 244 - Favs: 503 - Follows: 787 - Updated: 9/1 - Published: 9/27/2018 - Rookie, Shepard (F)
Star-Bound by The Incredible Muffin reviews
Some destinies are written out centuries, or even millennia, ahead of time. However, when destiny is derailed, new plans have to be implemented. Sometimes, that involves ripping someone away from the peaceful end they seek and thrusting them into a tide of never-ending war in order to fix what can never be repaired.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Supernatural - Chapters: 7 - Words: 43,217 - Reviews: 205 - Favs: 457 - Follows: 612 - Updated: 8/31 - Published: 5/29
Exciting Opportunities by Of Questionable Veracity reviews
In an unexpected and highly unlikely turn of events, a catastrophic warp breach from a crippled ship manages to fling a Rogue Trader - or rather, the youngest son of a Rogue Trader - through time and space to a universe quite unlike what anyone on-board in used to. They make the best of the situation.
Crossover - Warhammer & Mass Effect - Rated: K+ - English - Chapters: 21 - Words: 82,311 - Reviews: 177 - Favs: 222 - Follows: 343 - Updated: 8/29 - Published: 4/15 - Shepard (F)
Semper Vigilo by CunkToad reviews
Due to a drive core malfunction, a human vessel arrives just in time to save the Council Envoy from the yahg. What happens when humanity enters the galactic stage not as the race that got attacked by the turians for breaking a law they weren't aware of, but as the race that saved a turian platoon from certain death? M for wartime violence, pre ME1 - ME3, no OP humanity.
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 70 - Words: 744,049 - Reviews: 607 - Favs: 925 - Follows: 1,021 - Updated: 8/27 - Published: 11/27/2016
A House Divided Amongst Itself by ThePilotArchangel reviews
First Contact AU! The United Confederacy explores the Orion arm of the milky way galaxy, unaware of the rest of galactic civilization. When mankind meets its first aliens, how will things unfold? How will mankind react?
Mass Effect - Rated: T - English - Chapters: 28 - Words: 104,566 - Reviews: 300 - Favs: 351 - Follows: 518 - Updated: 8/27 - Published: 4/17 - Hannah S., Rael'Zorah, OC
Mass Effect: Children of the Moons by OmegaEntertainment reviews
"Humanity always knew, when we looked to the stars, that there could be an apex predator out there. However, while we knew that those predators could find us at the heart of our civilization, we could have never predicted that they would offer us Preservation." Rated M for Necromorphs and Brethren Moons, no other reason is needed for the rating.
Crossover - Mass Effect & Dead Space - Rated: M - English - Sci-Fi/Horror - Chapters: 11 - Words: 35,970 - Reviews: 100 - Favs: 325 - Follows: 411 - Updated: 8/26 - Published: 12/11/2017 - Harbinger, Shepard (M), Isaac C., OC
Mass Effect: Trailblazer by TallYapflip reviews
Humanity, left to its own devices for centuries, comes into contact with the Citadel Council. A misunderstanding leads to hostile first contact, and the UNSC is drawn into war with the Council shortly after the Insurrection's height. The Council finds itself face-to-face with a species that has broken the shackles of Mass Effect Technology. The Era of Humanity has only just begun.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 54,558 - Reviews: 520 - Favs: 1,527 - Follows: 2,073 - Updated: 8/26 - Published: 7/14/2017 - Master Chief/John-117, J. Keyes, Shepard (F), Miranda L.
Mass Effect: The Iron Heart of Man by Apollonir reviews
[AU] The Illusive Man said that salvation comes with a cost. When corruption seeps into the galaxy, when centuries of status quo suddenly breaks in a mere decade, when blood's spilled among the stars like never before, when extinction looms over civilization, when morality is merely a shade... salvation can only come with sacrifice. [AU First Contact War & Reaper War; GRAPHIC]
Mass Effect - Rated: M - English - Sci-Fi/Suspense - Chapters: 31 - Words: 362,776 - Reviews: 764 - Favs: 1,577 - Follows: 1,950 - Updated: 8/24 - Published: 8/23/2016 - Admiral Hackett, Illusive Man, Shepard (M), OC
Mass Effect: The Great War by Mister Smallville reviews
The Citadel Council and the Turian Hierarchy has been at war for a good half of a century. Eager to break the stalemate, The Hierarchy seeks out a new ally in a rising Systems Alliance, bringing the war back to full speed. The Alliance now goes through it's trial by fire, as it emerges from obscurity into the galactic stage. (AU no Krogan Rebellions/First Contact Wars)
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 35 - Words: 99,588 - Reviews: 204 - Favs: 317 - Follows: 465 - Updated: 8/24 - Published: 1/25/2017
The Reclamation has already begun by Fade Maybe reviews
The Citadel Council and the Systems Alliance fight for survival against the Reaper onslaught. However, the UNSC, politically divided and still recovering from the Didact's assault discovers a Mass Relay that will force them into the fight and change the course of galactic history forever. The Reclamation has already begun, and we are hopeless to stop it. ME3/post Halo 4
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 36 - Words: 355,591 - Reviews: 1087 - Favs: 1,193 - Follows: 1,552 - Updated: 8/23 - Published: 3/13/2013
Bite Of Humanity Reimagined by Bigpizza reviews
[Reuploaded due to not showing underneaht titanfall crossovers] The IMC investigates jump anomalies over an old IMC research world. First contact has been made. Bonds will be made and the Citadel must do everything in their power to not suffer from Humanity's bite [Humanity Fuck Yeah! Co writer is still needed, PM me if interested.]
Crossover - Mass Effect & Titanfall - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 9,218 - Reviews: 28 - Favs: 162 - Follows: 243 - Updated: 8/20 - Published: 5/14 - Tali'Zorah, OC
First Contact With An Angel by BrotherAntrosOfTheBloodAngels reviews
This is my First EVER fanfiction story. I, too, enjoy the "what-if" scenarios of fanfiction. So when I looked on the Warhammer Page I didn't find any fanfics about the Primarchs mainly The Angel, I gathered the courage to throw my hat into the somewhat small ring. Also, I'm a noob when it comes to the Horus Heresy or Warhammer lore in general but again thought I'd take a shot at it
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,464 - Reviews: 18 - Favs: 46 - Follows: 54 - Published: 8/18 - Imperial Guard, Planetary Defence Forces, Space Marines, Primarch/s
Effect of a Titanfall by MidnightFenrir reviews
When you die, you expect things to happen, from the void to eternal happiness. But if given the choice to live again, wouldn't you take it? I did. Since then, it's been one crazy thing after the other, the latest of which was to end up in yet another universe. But what can you expect when the manifestations of Luck and Fate themselves tell you it's going to be an adventure? OC/SI.
Crossover - Mass Effect & Titanfall - Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 36,973 - Reviews: 168 - Favs: 764 - Follows: 1,059 - Updated: 8/18 - Published: 12/17/2016 - Shepard (F), Kasumi G., OC, BT-7274
Mass Effect: Raven by R3dRaven reviews
I didn't know how I ended up on the Citadel. What I did know, was that my chances of survival were higher if I could find refuge aboard the NORMANDY. So I took a gamble, and joined the hunt for Saren. Unfortunately, real life is not as easy as a game - but still, I wouldn't have missed it for anything. / Mass Effect 1, Self-Insertion, logic/realistic approach, close to canon.
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 219,007 - Reviews: 342 - Favs: 671 - Follows: 991 - Updated: 8/16 - Published: 3/24/2015 - Shepard (F), Liara T'Soni, Tali'Zorah, OC
Grave Effect by SaibotReaper Productions reviews
Devils and Gods are two halves of the same whole. Life is sown by those whom many would consider gods but the created revolt and destroy their godly creators only to create in their wake the devils who would destroy what they themselves sought to call their own, but can devils rise to create once more or will the cycle of revolt continue on in a new galaxy.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 9,897 - Reviews: 23 - Favs: 106 - Follows: 153 - Updated: 8/11 - Published: 7/27 - Gravemind, 2401 Penitent Tangent, Shepard (F), Leviathan
For Earth and All Her Colonies by GADPELLAEON reviews
Post Human-Covenant War AU. After the Great War, all the UNSC wants to do is rebuild and live in the peace. A peace that so many died for. What happens when they learn that no matter what, war will always find them. Chapters Updated - Chapter 11 uploaded (07/08/2019) Any criticism and/or tips welcome.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 73,828 - Reviews: 368 - Favs: 881 - Follows: 1,299 - Updated: 8/7 - Published: 12/27/2018 - Master Chief/John-117, Arbiter, Shepard (F), Councilor Tevos
No Gods, No Kings, No Reapers Terra Athernum by Icarus636 reviews
The dream of Rapture never became a nightmare, under the banner of the UN and Rapture humanity united as one. Now as the Human Commonwealth stands as the only superpower matching The Council in strength and technology, an eternal enemy awakens, but mankind shall not go quietly into the night. HFY fanfic, different humanity, Paragon Sheppard.
Crossover - Mass Effect & BioShock - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 117,979 - Reviews: 150 - Favs: 389 - Follows: 478 - Updated: 8/6 - Published: 7/18/2018 - [Shepard (M), Tali'Zorah] Eleanor L., Elizabeth
United Under Two Skies by Gearman reviews
Rex Craster, formerly Courier Six, now leads the Mojave as a nation. After breaking both the Bear and the Bull, Rex stands as the leader of a united Mojave. Saddled with keeping the Mojave together as well as battling his own personal demons Rex must also deal with threats from this world and the next. For when worlds collide there is always collateral damage.
Crossover - Fallout & Mass Effect - Rated: T - English - Chapters: 29 - Words: 182,031 - Reviews: 63 - Favs: 198 - Follows: 250 - Updated: 8/5 - Published: 7/19/2014
The Fourth Council Race by Knight Vigilant Koren reviews
A few minor and realistic changes in the decisions made by the leaders of humanity drastically altered the path of Citadel Space and the Reaper War. This is the story of caution and planning over recklessness, the path of the juggernaut over the glass cannon. This is the story of humanity as it should have been. A power worthy of its Council seat, and one the Reapers can't ignore.
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 25 - Words: 169,582 - Reviews: 1051 - Favs: 1,581 - Follows: 2,099 - Updated: 7/29 - Published: 9/23/2017 - Garrus V., Kaidan A., Shepard (M), Councilor Irissa
Adeptum Effectus by Reddevel360 reviews
"Killing a man will harden you. Fighting a war against genocide will harden a species. Why are we so ruthless Councilor? Because when fighting for your very existence, anything is acceptable." - Lord Hood. Featuring a Humanity that discovered the archives on Mars in the midst of fighting an war for their very survival, a war that destined to be a massacre turns into a stalemate.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Tragedy - Chapters: 4 - Words: 28,690 - Reviews: 119 - Favs: 673 - Follows: 974 - Updated: 7/28 - Published: 5/10 - Master Chief/John-117, T. Hood, Shepard (F), Admiral Hackett
To Infinity by creamofwheat2311 reviews
After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 46 - Words: 390,407 - Reviews: 3556 - Favs: 4,078 - Follows: 4,897 - Updated: 7/25 - Published: 10/9/2013 - Master Chief/John-117, Arbiter, T. Lasky, Shepard (M)
Human Domination: Anvils of War by KevinYu reviews
Through mud and blood, humanity is unified. They ascended to the stars and forged brotherhoods and friendships. There was what people thought as eternal peace, until a zealous species plunged humanity back to the madness of war and changed the face of the Galaxy for millenia to come. *Rewrite of Humanity's Fury* *Renamed from Humanity's Fury*
Crossover - Warhammer & Mass Effect - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 50,485 - Reviews: 191 - Favs: 324 - Follows: 402 - Updated: 7/23 - Published: 12/22/2018 - The Emperor, Councilor Sparatus
Pariah by MightyDuckitron reviews
For millennia they slept beneath the deserts of a faraway planet. Warriors created to fight as pawns in the wars of the gods themselves. After awakening to find humanity had reached the stars, the last Pariah leaves the confines of the Tomb world and enters a changed galaxy. All characters & locations belong to Bioware & Games Workshop. (M for reasons).
Crossover - Warhammer & Mass Effect - Rated: M - English - Adventure - Chapters: 1 - Words: 1,444 - Reviews: 8 - Favs: 30 - Follows: 47 - Published: 7/12
Enduring the Flames of War by Masterdude21 reviews
A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 32 - Words: 452,176 - Reviews: 1657 - Favs: 2,436 - Follows: 3,102 - Updated: 7/12 - Published: 11/30/2015 - Master Chief/John-117, OC, Shepard (F)
The Light Beyond by Saint Reaper101 reviews
Earth has been decimated, its lands infested with hive, taken and fallen. The last remnant of the light grows brighter at the defeat of Oryx. A Baron rebels against his Kell and House to reclaim what his race once had, and an object in deep space is discovered by Dead Orbit. Discovering a new galaxy full of races that may help bring hope to all under the banner of the Traveler.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Adventure - Chapters: 29 - Words: 197,120 - Reviews: 320 - Favs: 509 - Follows: 580 - Updated: 7/7 - Published: 5/20/2016
The LV-426 Incident by K2JC
17 weeks ago, USS Sulaco was reported destroyed. Yet it's on the other side of that door, orbiting around LV-426. All attempts in communication was met with silence. Seeing no other choice, the USS Sephora sends in her Marines to investigate. But nothing prepared them for the horrors that lurks inside the Sulaco.
Crossover - Mass Effect & Aliens/Predator - Rated: M - English - Horror/Sci-Fi - Chapters: 1 - Words: 6,046 - Favs: 10 - Follows: 11 - Published: 7/6 - Shepard (F)
The Reclaimer Effect by Thorthemighty321 reviews
It's the eve of the centennial anniversary of the beginning of the Human-Covenant War. A mere twenty years after the discovery of Prothean Ruins on Mars. A simple case of poor communication leads to a brief but violent conflict erupting and leads to the United Earth Government and it's military arm the UNSCDF coming onto the Galactic Stage of politics, mysteries, and adventures.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 17 - Words: 174,265 - Reviews: 622 - Favs: 987 - Follows: 1,436 - Updated: 6/27 - Published: 2/28/2018
Shepherd of Humanity by Empirialtank reviews
The Age of Strife has ended and the lost colonies of man reach for the stars once more, most ignorant of their history or each other's existence. In one corner of the Galaxy mankind meets the peaceful Citadel Council and joins a galactic community. In another the Master of Mankind has lost his sons to the warp. One of those sons has been found in Alliance space. On Elysium. preME1
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 74,258 - Reviews: 243 - Favs: 437 - Follows: 573 - Updated: 6/20 - Published: 2/17
Cycles Upon Cycles by The Incredible Muffin reviews
The residents of the Koprulu Sector thought they had finally achieved peace. They were wrong. Now, the Koprulu Alliance is faced with a galaxy that was bigger than they thought. They will meet new friends, and more importantly, new enemies, but all will be forced to put away their hatreds, both old and new, or none will survive the darkness that is to come...
Crossover - StarCraft & Mass Effect - Rated: T - English - Sci-Fi/Supernatural - Chapters: 37 - Words: 359,067 - Reviews: 1328 - Favs: 2,049 - Follows: 2,331 - Updated: 6/19 - Published: 1/13/2015
Dawn of Titans by F13D reviews
There is nothing fair, just, or honorable about war. There is only winning and losing, the living and the dead. Humanity has learned this truth and has ascended to the stars. What effect will this have on the rest of the galaxy, one that has experienced millennia of peace? Will it be able to maintain the peace or will it be ushered into a new age of war? Let the end begin. A/U
Crossover - Mass Effect & EndWar - Rated: M - English - Sci-Fi/Adventure - Chapters: 32 - Words: 330,558 - Reviews: 662 - Favs: 883 - Follows: 1,110 - Updated: 6/17 - Published: 7/15/2015 - D. Anderson, Admiral Hackett, OC
Of Shepards and Imperials by Mandrake109 reviews
One of the oldest living perpetuals along with the remains of an inquisitorial retinue are transported into an alternative past where aliens are not simply foes to slay but friends and allies to mankind. For the perpetual it's a nice change of pace for the others? Well they may learn that co-existence might not be such a bad thing after all... Rated M for obvious reasons.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 53,993 - Reviews: 30 - Favs: 85 - Follows: 114 - Updated: 6/6 - Published: 3/7 - Imperial Guard, OC, Shepard (F)
Terra Novus: A New Frontier by OperatorMazzi reviews
Within the cold depths of the Universe stood a beacon of light. This beacon shined so brightly, many worshipped and thanked it for its protection. Now, within the Dawn of the New Millennium. A certain race will reignite this beacon and spread its warmth once more upon those who reside in the cold dark. (Massive AU, New Technologies, Elements from other franchises, WH40K vibes.)
Crossover - Mass Effect & Destiny - Rated: M - English - Sci-Fi/Adventure - Chapters: 9 - Words: 12,229 - Reviews: 17 - Favs: 49 - Follows: 63 - Updated: 6/1 - Published: 5/5/2018 - Shepard (F), Awoken, Exo, OC
United we Stand by Mayto reviews
At the height of the Human Covenant war, another galactic power intervenes to aid the embattled humans. Standing side by side with the Turians, the UNSC prepares for a new phase of the Human Covenant war.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 31 - Words: 84,861 - Reviews: 302 - Favs: 377 - Follows: 558 - Updated: 6/1 - Published: 3/26
Honor-Bound by The Incredible Muffin reviews
Shepard had thought it was over. The Reapers were defeated, at the cost of her life. Or so she thought. Now, Shepard is faced with the unknown yet again. For the first time, she found herself missing the Reapers...
Crossover - Warhammer & Mass Effect - Rated: M - English - Fantasy/Suspense - Chapters: 54 - Words: 347,701 - Reviews: 1294 - Favs: 1,234 - Follows: 1,380 - Updated: 5/29 - Published: 7/25/2015 - Complete
Mass Effect: Fractured Empire by Dirty Reid reviews
The species happened upon by the Turians at Relay 314 are not a united people, but a dozen quibbling fiefdoms. As they soon learn though, nothing unites a broken Empire faster than a mutual hatred of aliens.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 9,792 - Reviews: 9 - Favs: 71 - Follows: 91 - Published: 5/24
HALO Mass convergence by SapphireDawn11709 reviews
Two Universe collide after the Forerunners fall and the Reapers return, will the two branches of Humanity placed in their respective Systems by a Forerunner Monitor unite or fall, only time will tell in this epic clash. When the UNSC Exploration and Research Vessel Light of Sol discover a strange artifact, they are opened up to the rest of the Galaxy after millennia of isolation.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 22 - Words: 75,292 - Reviews: 271 - Favs: 519 - Follows: 691 - Updated: 5/23 - Published: 9/18/2016 - Master Chief/John-117, Cortana, Shepard (F), Tali'Zorah
Lord of Thrones: A Game of Rings by Warlic Elfire reviews
Smaug the Golden has been slain and the Necromancer has been driven out of Dol Guldur, while far across the sea King Robert Baratheon and his friend Eddard Stark have both been slain. The eyes of the Wise turn west, as Sauron seeks new servants in his quest to claim dominion of Arda. A Ring of Power sails to Westeros, and with it the destinies of many will forever be changed.
Crossover - Lord of the Rings & Game of Thrones - Rated: T - English - Fantasy/Adventure - Chapters: 11 - Words: 32,896 - Reviews: 60 - Favs: 68 - Follows: 88 - Updated: 5/21 - Published: 11/22/2018 - Gandalf, OC, Robb S., Davos S.
Element Halo by Iron Warriors reviews
When we started to expand past the Orin Arm of the Milkyway, we didn't know what to expect. Once we were out there though, things changed big time. For those brief 30 years we were the top dogs of the galaxy in all powers but like always when humanity reaches a higher seat of power, something always comes to make us fall... This time however the fall will cost our entire race.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 23 - Words: 82,562 - Reviews: 225 - Favs: 446 - Follows: 667 - Updated: 5/20 - Published: 12/11/2017 - OC
Lost in Paradise by ChaosSpartan575 reviews
(Revised and Rewritten) To kill the Sith Emperor once and for all, Darth Nox gave her life. She saved everything she cared for and yet still lost it all when she was tossed into alternate reality by her sacrifice. Can she find her place in this reality and help fend off something just as dark and powerful as the Emperor ever was.
Crossover - Star Wars & Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 6 - Words: 27,248 - Reviews: 113 - Favs: 346 - Follows: 501 - Updated: 5/17 - Published: 8/7/2015 - Sith I., Shepard (M)
The Warhammer Effect: Collateral Misfortunes by BKGeno reviews
In the future, where there is only war, sometimes desperate measures must be taken to secure the survival of a few. But when that measure leads to a place far different from what they know, can the Eldar adapt to a new reality, where there is more than only war? Also, what is a monkey? Picture by timokujansuu on Deviantart.
Crossover - Warhammer & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 37 - Words: 276,955 - Reviews: 463 - Favs: 544 - Follows: 749 - Updated: 5/10 - Published: 9/9/2017 - Eldar, Shepard (F)
Hammer Effect by wyval reviews
Humanity successfully reached for the stars, confident in their ability to conquer all who stand against them. Yet in the darkness of space, an ancient menace stirs, that could possibly eclipse all past enemies Humanity faced - including those from the depths of time they faced in the wars for Terra itself...
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Supernatural - Chapters: 35 - Words: 194,923 - Reviews: 111 - Favs: 168 - Follows: 190 - Updated: 5/6 - Published: 7/7/2016 - Liara T'Soni, Shepard (M), Kai Leng
The Forerunner's Blessings by Venerance reviews
Adrift in space. The occupants of the Forward Unto Dawn found themselves learning more about the universe than they ever hoped to imagine. An entire cabal of alien civilizations residing among the stars, waiting to be introduced to Humanity and her allies.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 5,339 - Reviews: 79 - Favs: 284 - Follows: 488 - Updated: 5/3 - Published: 3/31 - [Master Chief/John-117, Shepard (F)] A. J. Johnson, Cortana
Cold Machines by BattleUnit3 reviews
They studied Organics. All they ever saw was fear from Sentient Synthetics. Geth had no place in their world. But by chance they discovered a species on the brink of extinction. They worked along side their creations as equals. They didn't care who or what you are. They only cared about their City.
Crossover - Mass Effect & Frostpunk - Rated: T - English - Adventure - Chapters: 13 - Words: 27,600 - Reviews: 326 - Favs: 716 - Follows: 1,016 - Updated: 4/7 - Published: 5/17/2018
Imperial Warlord by deeed22 reviews
A man and his friends are conscripted for a mission. Will they succeed in their endeavors? Will they be able to figure out whats going on? Can they make themselves a home in a strange universe?
Crossover - Warhammer & Mass Effect - Rated: M - English - Adventure - Chapters: 13 - Words: 61,127 - Reviews: 117 - Favs: 220 - Follows: 294 - Updated: 4/2 - Published: 6/20/2018 - Imperial Guard, Adeptus Mechanicus, Shepard (F)
The Bright Ones by StarCaller22 reviews
Due to overcrowding the Council begins exploring beyond known Relays for the first time in a thousand years. When they encounter a young race that evolved on a world that makes Tuchanka look like paradise, their understanding of Biotics, biology, history and the galaxy itself will change forever. (Rated M for potential violence and sex)
Crossover - God of War & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 7,224 - Reviews: 28 - Favs: 89 - Follows: 132 - Updated: 3/21 - Published: 3/19
The Blue Spirits by DiscordantSymphony reviews
A bright star fell over King's Landing, and carried inside of it were thirteen blue women. Messengers of the gods with amazing powers, they would change the Game of Thrones for the rest of days. If they wanted too or not.
Crossover - Mass Effect & A song of Ice and Fire - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 6,928 - Reviews: 20 - Favs: 58 - Follows: 95 - Updated: 3/13 - Published: 12/24/2018 - Samara, Cersei L., Jaime L., Eddard S./Ned
The Last Guardian by erttheking reviews
Commander Garrus Vakarian is desperate to find anything that could help him and his crew in their desperate struggle against the Reapers, and his search has taken him to a long dead planet with a shattered sphere hanging over it. Patreon sponsored story.
Crossover - Mass Effect & Destiny - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 6,055 - Reviews: 16 - Favs: 115 - Follows: 124 - Published: 3/12 - Garrus V. - Complete
On the Illusion of Might by evevee reviews
We thought ourselves powerful, able to conquer a galaxy with nothing but toys. When we overcame every challenge, breached the space between the galaxies themselves, what use were the words of a race ashamed of their own past? Yet we cannot deny that we were warned, for while a challenge to a human is laughable, a challenge to humanity is a death sentence.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 20 - Words: 225,409 - Reviews: 1316 - Favs: 2,102 - Follows: 2,784 - Updated: 2/21 - Published: 2/21/2017 - Master Chief/John-117, Cortana, Shepard (F), Garrus V.
Honor and Faith by A Hairy Burrito reviews
After being thrown into the tides of the Warp, the Space Marines of the Iron Sentinels chapter find themselves thrown into the mythical past of mankind and engaged in a war that threatens to see humanity wiped out. Threatened on all sides by Chaos and heresy, will they succumb or remain faithful to the Emperor's Light?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 19 - Words: 93,038 - Reviews: 168 - Favs: 312 - Follows: 452 - Updated: 2/8 - Published: 9/11/2016
Mass Effect: The Terran Gambit by informedterran reviews
AU: A quickly advancing Humanity discovers early on the fate of the ancient Protheans and the threat of the Reapers. Instead of exploring the galaxy with wonder and optimism, the leaders of the Terran Nation prepare their young race to save themselves. When they finally make First Contact, they begin their ultimate gambit; To ready all the galaxy to fight the Reapers!
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 38 - Words: 482,626 - Reviews: 300 - Favs: 931 - Follows: 1,115 - Updated: 2/8 - Published: 4/16/2016 - OC
War, Peace, and other Galactic Customs by The Almighty Afroduck reviews
After a long, terrible war, the Federation of Sovereign Empires forms as the product of the alliance created early in the Great War between the Covenant Separatists and the UNSC. Time passes as they progress greatly, eventually discovering the existence of other galactic governments. The events that will follow will change the course of the galaxy in more ways than one. PART- 3
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 33 - Words: 375,183 - Reviews: 622 - Favs: 984 - Follows: 1,211 - Updated: 1/29 - Published: 3/1/2014
The Lost Primarch by ArmedSammy123 reviews
No Imperial records of the Second Primarch or his Legion of Adeptus Astartes exist. They have long since been purged on orders of the Emperor, yet this does not mean he did not once live, nor that he does not still live. In a Galaxy eerily similar yet foreign to the one he once inhabited, will the Primarch of the Second Legion be able to survive and adapt or will he die forgotten?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 23,667 - Reviews: 57 - Favs: 238 - Follows: 363 - Updated: 1/28 - Published: 5/11/2018 - Primarch/s, Shepard (F), Liara T'Soni, Tali'Zorah
Mass Effect: Elite by Kelial reviews
Explorers are a strange breed. What happens when one stumbles across a group of aliens who's government's ego is larger than the space they control? How will the people of those two governments interact? TUNE IN TO FIND OUT!
Crossover - Mass Effect & Elite - Rated: T - English - Chapters: 11 - Words: 76,143 - Reviews: 94 - Favs: 249 - Follows: 342 - Updated: 1/8 - Published: 7/16/2018
Reduced Mass by DavidJ647 reviews
After a severe skiing accident, I find myself right smack in the middle of the Mass Effect universe with no idea on how I got here. Only problem, I'm nine years too early. Will I survive what's to come? Only time will tell. Self-Insert.
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 35 - Words: 249,619 - Reviews: 488 - Favs: 882 - Follows: 1,161 - Updated: 1/7 - Published: 8/13/2014 - Shepard (F), Zaeed M., OC
The Last Spartan by DinoJake reviews
An AU fic in which the Halo and ME universes share the same galaxy. After a well deserved rest in Cryo-Sleep, Master Chief finally awakens...to a whole new galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 55 - Words: 489,686 - Reviews: 3886 - Favs: 3,809 - Follows: 3,840 - Updated: 12/31/2018 - Published: 5/2/2010 - Master Chief/John-117
Mass Effect: The New Face of War by ProfFartBurger reviews
It is said that War never Changes; Men do, through the roads they walk, but War does not. The Humans fought The First War, and alongside the Quarians, the Alliance stands tall against the Galaxy in the face of continued adversity. Now Humanity's place is challenged, their power tested, and age-old beliefs are shattered when a beyond-ancient species is forced onto the playing field.
Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 62 - Words: 539,845 - Reviews: 1323 - Favs: 1,725 - Follows: 1,766 - Updated: 12/30/2018 - Published: 1/26/2014 - Shepard (M), OC - Complete
Independence Day: Mass Contact by D'terran reviews
Over 150 years after the War of 1996, the United Systems Alliance now has to face the wider galaxy with fewer ships, better tech, and a fear of alien species caused by a war that united the world against a very real alien threat. Now they have new troubles on the horizon...
Crossover - Mass Effect & Independence Day - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 9,630 - Reviews: 70 - Favs: 267 - Follows: 355 - Updated: 12/29/2018 - Published: 8/11/2018
Exodus of the Damned by Superemopowerz reviews
They came to this galaxy many millennia ago, some say even during the era of the Sea Serpent. They sought refuge and soon they rebuilt; returning to their former glory. Some thought them to be Gods. But just like their creators, they too vanished, never to be seen again. Until now. Heavy AU.
Crossover - Warhammer & Mass Effect - Rated: M - English - Fantasy/Spiritual - Chapters: 3 - Words: 5,183 - Reviews: 15 - Favs: 43 - Follows: 72 - Updated: 12/25/2018 - Published: 6/5/2018
Humanity's Rebirth by TallYapflip reviews
The First Contact War brought untold destruction to Earth, reducing Humanity to a shell of its former self. For 900 years, Humanity has been working tirelessly to lay claim to its own slice of the Milky Way Galaxy, and they are prepared to bring the Council to its knees to accomplish their goals. (Massive AU, New Technologies, and a far different humanity.)
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 21 - Words: 105,791 - Reviews: 496 - Favs: 1,754 - Follows: 2,199 - Updated: 12/17/2018 - Published: 3/4/2016 - [Samantha T., Shepard (F)] Admiral Hackett, OC
Desperate Times Call For Desperate Measures by ARCCaptainFordo reviews
To defeat Horus and his fellow traitors wouldn't be easy. While the Emperor answered Horus' open challenge at Istvaan III by dispatching seven of his sons to deal with their errant brothers, the Imperium dispatched a battle group of the best forces on hand at the time to deal a blow to the traitors by attacking a Dark Mechanicus Forge World. The Dark Gods have other plans.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 89,220 - Reviews: 91 - Favs: 178 - Follows: 251 - Updated: 12/6/2018 - Published: 7/16/2016
A Battle of Wills by insinr8 reviews
Following the destruction of the Temple Ship, humanity rises to become stronger than ever, and is determined that they will never again allow any enemy to repeat what the Ethereals did. In Vigilo Confido.
Crossover - X-Com & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 59 - Words: 262,053 - Reviews: 781 - Favs: 1,153 - Follows: 1,390 - Updated: 12/5/2018 - Published: 7/4/2015
Biomass Effect by Beastrider9 reviews
All life on Earth had been consumed by Blacklight. With no Biomass to feed on, Blacklight had to evolve, adapt, and grow. Now a collective Council of Aliens discovers the existence of such a life form. How do the aliens see a form of life that is viral, how they deal with it, what are the consequences to the galaxy of such a race existing at all.
Crossover - Mass Effect & Prototype - Rated: M - English - Sci-Fi - Chapters: 59 - Words: 303,766 - Reviews: 2633 - Favs: 3,565 - Follows: 3,994 - Updated: 12/3/2018 - Published: 8/8/2014
New Beginnings (New Version) by Eagle9177 reviews
An accident sends the lord of the Sith into the Mass Effect galaxy. She is discovered by a newly revived commander Shepard. Revan works with the commander to fight against the Reapers. Just how will she affect Shepards life? Her allies? And the galaxy? Rated M for; Violence, Language, Adult situations. Will contain f/f romance.
Crossover - Star Wars & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 24 - Words: 171,243 - Reviews: 471 - Favs: 1,271 - Follows: 1,637 - Updated: 11/22/2018 - Published: 11/5/2017 - Revan, Shepard (F), Garrus V., Miranda L.
Isolation by DwemerSteelBlade reviews
SPARTAN-IIIs Icarus and Aura are transported to the Citadel after a botched operation on a Covenant world. They've been trained to fight Insurrectionists and Covenant, but what about the Reapers?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 1,864 - Reviews: 2 - Favs: 5 - Follows: 18 - Published: 11/12/2018
Crysis Effect V2 by Wraith002 reviews
Jason Harlow lost his life in battle, but the young Marine wasn't expecting the afterlife that greeted him. Accepting an offer from an omnipotent being, he was thrown into a new world where a whole new fight was waiting. Armed with a powerful suit and an array of skills from his journey, he will set out to help stop a cycle of extinction that threatens all life itself.
Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 55 - Words: 270,337 - Reviews: 622 - Favs: 995 - Follows: 1,140 - Updated: 11/11/2018 - Published: 8/27/2017 - [Shepard (F), OC]
The Burning Crusade by Northwoods Dude reviews
In the near future of the 22nd century we are now experiencing the golden age. Since the arrival of the Imperator Sucundus. We have spread across the stars and prospered. However in the year 2157, we have encountered a new threat. A species of xenos known only as "Turians" and "The Council" have been encountered. The Fleets are mobilized. And now, from the peace there is only war.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 6,702 - Reviews: 42 - Favs: 131 - Follows: 178 - Updated: 10/28/2018 - Published: 9/21/2018 - Primarch/s, Illusive Man, Primarch Adrien Victus, Shepard (M)
Gravity by DONOVAN94 reviews
Elaine Cousland's duty is done: the Archdemon is dead. Where she once thought to join her family at the Maker's side, instead she awakes on a strange world. Here, an evil both new and familiar has come, and as a Warden it is her responsibility to vanquish it. At any cost. She will join the strange ship that sails the stars, the Normandy, and defeat the Collectors. Once and for all.
Crossover - Mass Effect & Dragon Age - Rated: M - English - Adventure/Romance - Chapters: 43 - Words: 287,177 - Reviews: 441 - Favs: 320 - Follows: 389 - Updated: 10/8/2018 - Published: 8/15/2017 - [Garrus V., Cousland] Tali'Zorah, Shepard (M) - Complete
False Masks by Mandalorian Runescaper reviews
A Mass Effect/SWTOR crossover. An unconventional Jedi Knight finds himself transported to Omega just after Commander Shepard recruited their squadmates and departed. What purpose can a sworn guardian of the Republic find there? This story will focus mainly on OCs, however canon characters will appear. Takes place during ME2, but is a stand-alone story. Feedback is much appreciated!
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 102,915 - Reviews: 48 - Favs: 111 - Follows: 132 - Updated: 9/30/2018 - Published: 6/30/2018 - OC, Aria T'Loak, OC - Complete
Amongst the Fields of Earth by Shockeye7665 reviews
It is 1918 CE. The Rachni War is still ongoing. And the planet Earth, which is in the midst of it's first world war, is about to be drawn into a fight for it's own fate, and the fate of the galaxy itself. Rated M for violence, language and some sexual content.
Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 15 - Words: 47,213 - Reviews: 47 - Favs: 89 - Follows: 124 - Updated: 9/26/2018 - Published: 3/18/2017
Son of Light by Fyiad reviews
Attacked by Vex and sent to a place far away from the Traveler, the Warlock Odin must find a way to survive in a galaxy that is strange and unfamiliar. New servants of Darkness threaten him, but with his Light and his space magic he will find a way. Well, that and bullets. Lots and lots of bullets.
Crossover - Mass Effect & Destiny - Rated: M - English - Adventure/Sci-Fi - Chapters: 15 - Words: 106,095 - Reviews: 451 - Favs: 1,371 - Follows: 1,727 - Updated: 8/30/2018 - Published: 6/12/2015
The End of Empires by AgeofanEmpire reviews
With the victory at the Battle of Endor, the Empire stands ready to bring peace to the galaxy through force. Meanwhile it is the Council's inability to act that will cost them in every endeavor they choose to take against the upcoming invasion that Emperor Palpatine has planned for the inhabitants of the Citadel Council. Heavy HFY. Read at your own discretion.
Crossover - Star Wars & Mass Effect - Rated: K+ - English - Sci-Fi - Chapters: 6 - Words: 49,727 - Reviews: 32 - Favs: 126 - Follows: 164 - Updated: 6/12/2018 - Published: 3/26/2018
Lords Of War by jahobes reviews
The Citadel is but a shadow of its former glory. The Terminus systems led by the Batarians and Salarians stand as the new masters of the Galaxy. Or so they thought? Heavily AU. Humanity based off of the Expanse T.V series. HFY.
Crossover - Mass Effect & Expanse - Rated: T - English - Sci-Fi/Drama - Chapters: 13 - Words: 15,121 - Reviews: 42 - Favs: 203 - Follows: 329 - Updated: 4/11/2018 - Published: 6/9/2016 - Garrus V., Liara T'Soni
Anomalous Effect by Transwarrior666 reviews
They came to Thessia 38,000 years ago to save our ancestors from the demons. We thought they had all disappeared, and yet they remain; beyond relay 314, sleeping under the shadow of the Zone, waiting for the return of their enemies. We call them Sta'kars, creatures of light and wisdom, kindred of the gods, but I know their true name: They call themselves Humans. - Liara T'soni.
Crossover - Mass Effect & S.T.A.L.K.E.R. - Rated: K - English - Sci-Fi/Supernatural - Chapters: 22 - Words: 143,924 - Reviews: 264 - Favs: 664 - Follows: 749 - Updated: 3/29/2018 - Published: 5/5/2015 - Complete
Still Not A Hero by Soleneus reviews
or Hero 2:Hero Harder I've spent three years preparing for Saren and Sovereign, and now it's time to put the first of my plans into action. All of which involve me, fighting in war. A war against a murderous alien intelligence. A war against impossible odds. A war I put myself right in the middle of...on purpose...I wonder what sanity's like? It must be nice, but it sounds boring.
Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 57 - Words: 307,426 - Reviews: 1383 - Favs: 1,678 - Follows: 1,717 - Updated: 2/14/2018 - Published: 1/17/2015 - Shepard (F), Liara T'Soni, U. Wrex, OC - Complete
Psi Effect by Cap'n Chryssalid reviews
A fun-loving asari mercenary finds herself a little in over her head when she ends up abducted by terrifying aliens from beyond the galactic frontier. These asari-like creatures call themselves 'humans.' They seem to be secretly nosing about on the borders of known space, acting through proxies, conducting covert operations, and they've got a deal for an enterprising asari...
Crossover - X-Com & Mass Effect - Rated: T - English - Humor/Sci-Fi - Chapters: 43 - Words: 387,570 - Reviews: 1367 - Favs: 3,353 - Follows: 3,881 - Updated: 1/2/2018 - Published: 7/19/2014 - U. Wrex, Daro'Xen, Shepard (F), OC
Terran Federation: Contact by L4 of the WEST reviews
For more than 20 years, the Terran Federation's path into the darkness beyond Earth has been marked by war, betrayal, and bugs. Every alien they met in the blackness of space has been hostile, pushing the region on a path to another great interstellar war. But sometimes, you get lucky, will the 6th time over Shanxi be it?
Crossover - Starship Troopers & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 28 - Words: 164,615 - Reviews: 355 - Favs: 744 - Follows: 804 - Updated: 4/16/2017 - Published: 8/7/2014 - Complete
Beacon's Effect 3: Awakening by Tusken1602 reviews
Sequel to Beacon's Effect 2: Reborn. With Shepard awake and the events of Mass Effect 2 kicking off, Ko'le and Shepard must assemble their allies and face the challenge of the Collectors and the ever-looming threat of the Reapers. Rated M for language, violence, and "other stuff." I do not own Mass Effect or any of its characters. SEQUEL NOW UPLOADED- Beacon's Effect 4: Reckoning!
Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 28 - Words: 158,295 - Reviews: 703 - Favs: 604 - Follows: 573 - Updated: 12/7/2016 - Published: 5/25/2016 - Shepard (F), Clone Shepard (F), OC - Complete
Beacon's Effect 2: Reborn by Tusken1602 reviews
Sequel to Beacon's Effect. Now that the Battle of Citadel is over, I have to decide what to do next. SI/OC/AU. I do not own Mass Effect or any of its characters. I only own what I create. Rated M for language/violence/Romance. Please Rate and Comment! I welcome all ideas/ criticism/ comments! Complete. CHECK OUT THE SEQUEL: Beacons' Effect 3: Awakening!
Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 25 - Words: 136,051 - Reviews: 704 - Favs: 869 - Follows: 789 - Updated: 5/25/2016 - Published: 11/11/2015 - Shepard (F), Javik, OC - Complete
Mass Effect: Clash of Civilizations by Eterna1Soldier reviews
In 2157 a Citadel Council exploratory vessel is tasked with opening a dormant Relay into unknown regions of the galaxy. What they find is something they never expected. What happens when two civilizations centered around different technologies clash?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Mystery - Chapters: 21 - Words: 96,812 - Reviews: 3395 - Favs: 5,053 - Follows: 5,934 - Updated: 5/22/2016 - Published: 10/13/2011 - Tali'Zorah
Tide of War: Mass Effect Warhammer Crossover by TheSGC reviews
Warhammer 30k Pre-Heresy and Mass Effect 2 crossover. The 25th Expeditionary Fleet, with the Alpha Legion, is en route to a pacification when something very unexpected happens …
Crossover - Warhammer & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 34 - Words: 82,578 - Reviews: 288 - Favs: 527 - Follows: 691 - Updated: 4/4/2016 - Published: 10/11/2011
Beacon's Effect by Tusken1602 reviews
I stumble upon a Prothean beacon, transporting me to the world of Mass Effect. Self-insert fic. Slightly AU. I do not own Mass Effect or any of its characters. I only own what I create. Rated M for language/violence/prob romance stuff. Please Rate and Comment! I welcome all ideas/criticism/comments! Thanks, guys! Complete. SEQUEL NOW UPLOADED: Beacon's Effect 2: Reborn.
Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 20 - Words: 112,550 - Reviews: 415 - Favs: 1,171 - Follows: 810 - Updated: 11/10/2015 - Published: 7/21/2015 - Shepard (F), Liara T'Soni, OC - Complete
Lost Legacy by Andrithir reviews
There are stories about them, myths and legends of once majestic species overseeing the galaxy and exploring into the space that lay beyond. There were stories about them, tales of faded past. Humanity's missing link. (Rewrite Chapters 1 to 3 now posted) COMPLETED. Rewrites are on hiatus.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 67 - Words: 328,897 - Reviews: 1631 - Favs: 1,420 - Follows: 1,319 - Updated: 2/20/2015 - Published: 10/8/2011 - Master Chief/John-117, Shepard (F) - Complete
Crysis Effect 2 by DemonFireX reviews
The end of Sovereign was only the beginning. Faced with obsticles he never thought he had to face, Alex will have to do whatever he can to protect everyone from the Reapers. No matter what it takes, he'll do what's needed when others refuse to. Everything has a price. But as long as he is at her side, nothing else matters. OC/FShep
Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 31 - Words: 165,951 - Reviews: 828 - Favs: 1,128 - Follows: 1,188 - Updated: 1/28/2015 - Published: 6/4/2013 - Shepard (F)
Hero, I am Not by Soleneus reviews
The first time I ever tried to be a hero, I got shot in the head. The next time I woke, the first thought that crossed my mind, after 'Why am I waking up' was 'Why are those women blue' A self-insert that's different from my usual fare. Pairings are a toss-up.
Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 46 - Words: 173,953 - Reviews: 1141 - Favs: 1,835 - Follows: 1,393 - Updated: 1/17/2015 - Published: 1/14/2014 - Shepard (F), Miranda L., T. Vasir, OC - Complete
For Thy Mantle Reloaded by Primordial Soul reviews
"We fought, we bled, we died for our inheritance. We were Gods, and we were finally ready to pass down our Mantle. Then we were betrayed, vanquished from the stars and blotted from history. We have learned from our mistakes. We understand why the Precursors did what they did. We are the Reclaimers, and we will ensure that you face true retribution for your actions." ABANDONED
Crossover - Halo & Mass Effect - Rated: T - English - Suspense/Mystery - Chapters: 25 - Words: 113,587 - Reviews: 1057 - Favs: 500 - Follows: 532 - Updated: 3/27/2014 - Published: 11/17/2012
The Empire of Man by Holland93 reviews
Humanity's reaction to the discovery of the archives on mars was very different from what happened in the games. The militaristic Empire of man is preparing to expand. But how will they react when they discover that they are not alone in the galaxy. And more importantly. How will the galaxy respond to humanity? First contact story. Rated T for language and gore update this week.
Mass Effect - Rated: T - English - Drama - Chapters: 12 - Words: 100,952 - Reviews: 451 - Favs: 781 - Follows: 893 - Updated: 2/5/2014 - Published: 6/16/2013
Mass Effect: The First War by ProfFartBurger reviews
The Prothean Ruins weren't. They contained little more than mentionings of an Alien Society; as a result, humanity develops on a completely different path than what was intended, and when first contact is made not with the Turians, but a desperate, destitute race viewed as beggars and thieves, how will this dying race change Humanity? And how will Humanity change the Galaxy? *A/U!*
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 22 - Words: 200,906 - Reviews: 1851 - Favs: 3,536 - Follows: 2,578 - Updated: 1/12/2014 - Published: 1/26/2013 - OC - Complete
Halo: A New Age by xpredatorx reviews
In the 26th century humanity along with the sangheili, san'shyuum formed the Orion Systems Alliance the center of galactic government in the orion arm of the galaxy, soon the OSA will meet the citadel council and discover a billion year old secret.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 34 - Words: 225,340 - Reviews: 722 - Favs: 798 - Follows: 772 - Updated: 10/7/2013 - Published: 3/24/2012
XCOM: Second Contact by Agayek reviews
With the destruction of the Temple Ship humanity knew peace. XCOM never forgot their motto however, 'always vigilant, always reliable'
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 294,105 - Reviews: 1070 - Favs: 2,241 - Follows: 2,318 - Updated: 9/15/2013 - Published: 1/1/2013
Massed Up by DelVarO reviews
When I woke up I expected it to be a regular, mundane and boring day. What I definitely did NOT expect was me ending up on the Citadel, which happens to be in a totally different universe. God I hate thursdays.
Mass Effect - Rated: T - English - Adventure - Chapters: 51 - Words: 276,504 - Reviews: 621 - Favs: 746 - Follows: 579 - Updated: 6/22/2013 - Published: 2/17/2012 - Shepard (F) - Complete
Crysis Effect by DemonFireX reviews
To some, Death is an End. To others, Death is a new beginning. Alex Drake will learn that his death will lead to a new purpose. Armed with a powerful suit, his combat skills and his knowledge of the universe he finds himself in, he will strive to save the innocent. But will this soldier gain more than success in his mission? OC/FShep
Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 46 - Words: 213,270 - Reviews: 768 - Favs: 1,335 - Follows: 858 - Updated: 6/3/2013 - Published: 3/14/2013 - Shepard (F) - Complete
Mass Effect New Origins V2 by erttheking reviews
On the dawn of the 27th century, the UNSC discovers a Mass Relay, and unlock its power. What follows not only includes making contact with new species and making new friends, but making new enemies as well, and the entire galaxy will shake.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Romance - Chapters: 109 - Words: 442,687 - Reviews: 2515 - Favs: 1,530 - Follows: 1,063 - Updated: 6/9/2012 - Published: 10/5/2010 - Shepard (F) - Complete