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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: 521 - Favs: 1,528 - Follows: 2,074 - Updated: 8/26 - Published: 7/14/2017 - Master Chief/John-117, J. Keyes, Shepard (F), Miranda L.
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
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: 2634 - Favs: 3,565 - Follows: 3,995 - Updated: 12/3/2018 - Published: 8/8/2014
Mass Effect: End of Days by
Postmeat reviews
An ancient danger threatens the galaxy, unknown to all. A humanity which never discovered Prothean ruins, expanding through space on their own, emerges. Joined with the machines they created, hardened by war with a terrifying enemy, they read the writing on the wall. But will the galactic community already there listen to these newcomers, stirring up trouble everywhere they go?
Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 19 - Words: 214,419 - Reviews: 635 - Favs: 2,232 - Follows: 2,819 - Updated: 10/26/2018 - Published: 3/8/2015 - Admiral Hackett, Shadow Broker, Shepard (M), Rachni Queen
Alternate Past, Uncertain Future Mk II by
Follower38 reviews
Co-written with aDarkOne History, a single event, can alter so much, let alone two. The San'Shyum are no more. The Krogan Empire stands strong. Humanity is now a giant among the stars. With three Galactic Superpowers in play, will an encounter see a new Golden Age, or an Era of War? (Chapters 1-12 being rewritten)
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 33 - Words: 279,720 - Reviews: 757 - Favs: 702 - Follows: 812 - Updated: 10/6/2018 - Published: 8/28/2012
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
Roma Invicta: Sons of Prometheus by
TheEyesOfTheUnseenOne reviews
When a vessel carrying Protheans in suspended animation lands just across the Tiber in Rome, it leads to a radically different future. Rome never falls, and has foreknowledge of the Reapers. This is the story of the Sons of Prometheus.-Rewrite of Roma Invicta
Mass Effect - Rated: T - English - Sci-Fi/Spiritual - Chapters: 11 - Words: 29,098 - Reviews: 126 - Favs: 475 - Follows: 561 - Updated: 9/24/2017 - Published: 7/22/2015 - Shepard (M), Javik, OC
Lost Sons by
Luke Danger reviews
When Shanxi was freed, Earth knew aliens were out there. What they did not expect was to find other humans already in the stars in a holy empire, and part of the Citadel. Twenty six years since First Contact, the Council prepares for two new human Spectres. And on the Normandy SR-1, Ashley Williams and her imperial counterpart, Shepard, begin the first round of evaluations.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 24 - Words: 269,103 - Reviews: 177 - Favs: 275 - Follows: 364 - Updated: 5/28/2017 - Published: 3/1/2014 - Shepard (F), Ashley W., D. Anderson, Nihlus K.
Someone had blundered by
magkiln reviews
A turian scout force sets out to patrol empty starsystems. A human exploration fleet makes ready to approach a dormant mass relay. Soon their paths will cross and if they fail to make peaceful contact, the consequences will be deadly. Rated T for violence
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 38 - Words: 144,248 - Reviews: 757 - Favs: 770 - Follows: 795 - Updated: 4/20/2017 - Published: 4/25/2015 - Predator/Yautja, Illusive Man, Councilor Tevos, Councilor Sparatus - Complete
The Inheritance of Man (Old) by
DanishCookie reviews
2253: The Galaxy is embroiled in a tumultuous war, pitting the Citadel against the Krogan and the Batarians. All hope seems lost for the Council, as they lose more and more territory to their enemies. Yet, everything may change with the discovery of a new race; a light in the dark for the Citadel Council. That is, if the humans choose to help in the first place. Massively AU.
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 62,507 - Reviews: 77 - Favs: 324 - Follows: 420 - Updated: 4/12/2017 - Published: 8/8/2015 - Shepard (F), Admiral Hackett, Shepard (M)
Mobile Suit Gundam: the First Contact War by
Ron the True Fan reviews
Humanity is a giant that walks the stars, having fought amongst itself. Now they make contact with an alien race. The kicker? This humanity knows about the Reapers and has been preparing for them for decades. I recommend pitying the Turians...
Crossover - Gundam UC & Mass Effect - Rated: T - English - Chapters: 9 - Words: 14,008 - Reviews: 80 - Favs: 299 - Follows: 289 - Updated: 4/1/2017 - Published: 2/18/2017 - Complete
Vigil by
Peptuck reviews
Mankind has survived its crucible, and while scarred and changed by the Ethereals, they advance into the cosmos. The galaxy beyond is a place of wonder and terror, of wealth and strife. Amid the threats and opportunities, both within and without, XCOM remains vigilant. Mass Effect/XCOM/Eclipse Phase/FEAR/Destiny fusion.
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 170,804 - Reviews: 427 - Favs: 955 - Follows: 1,048 - Updated: 9/14/2016 - Published: 9/2/2014
Hunters of Death by
DesertChocolate reviews
Decades after the sacrifice of Gipsy Danger, a hopeful mankind looked to the stars. With a army of Jaegers in tow. Now, decades later, the Normandy SR-1 is sent to Eden Prime, and The Shepard Twins, one raised on Earth, the other in space, prepare to show the universe what they're made of. Because sometimes, it takes monsters to kill monsters.
Crossover - Mass Effect & Pacific Rim - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 109,679 - Reviews: 270 - Favs: 645 - Follows: 693 - Updated: 5/24/2016 - Published: 8/14/2013 - Shepard (F), Garrus V., Tali'Zorah, Shepard (M)
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
From Hell's Heart by
gtamaster316 reviews
AU First Contact War. It was 48 years of endless slaughter and death. And from the pain and suffering of such unprecedented conflict, emerged an unprecedented plot, born of hate, to bring it all to an end...
Mass Effect - Rated: T - English - Sci-Fi/Tragedy - Chapters: 14 - Words: 75,788 - Reviews: 400 - Favs: 882 - Follows: 1,014 - Updated: 5/10/2016 - Published: 2/12/2012 - Shepard (F), Garrus V.
Spice Effect by
Transwarrior666 reviews
From the Great Void, We come... To this place will We abide, We who are the children of Siona and Idaho, Heirs of Shai Hulud and the Atreides Emperors, We who tread the Golden Path, from the realm of visions, where men walk without feet unto eternity and beyond... - A Passage from A Human Poem (Written in Ancient Galach), allegedly recited by Lord Burseg Faradan Shepard, Sardaukar
Crossover - Dune & Mass Effect - Rated: K - English - Sci-Fi/Spiritual - Chapters: 6 - Words: 46,498 - Reviews: 62 - Favs: 131 - Follows: 164 - Updated: 5/3/2016 - Published: 9/30/2014 - OC, Catalyst
A Dark Dawn by
Ave Imperium reviews
A new race was discovered and annihilated. A century passed and Citadel space forgot, but Humanity never did.
Mass Effect - Rated: T - English - Horror/Adventure - Chapters: 36 - Words: 143,972 - Reviews: 998 - Favs: 1,950 - Follows: 1,983 - Updated: 4/12/2016 - Published: 8/21/2014 - Tali'Zorah, Shepard (M) - Complete
Mass Effect Reloaded by
thebluninja reviews
Is a second chance enough? Instead of the Catalyst's choices, Shepard lucks into a cosmic loophole. Thrown back to the very start of her Spectre career, she has to try and save the galaxy again from the Reapers ... but does she really know what's coming? 2015 NaNoWriMo winner!
Mass Effect - Rated: T - English - Sci-Fi/Drama - Chapters: 97 - Words: 335,916 - Reviews: 1844 - Favs: 1,762 - Follows: 2,050 - Updated: 3/29/2016 - Published: 1/19/2013 - Shepard (F), Garrus V., Admiral Hackett, Shadow Broker
Predators: Variety of Prey by
SomeGuyOverHere reviews
The Hunt is on again. But this time, the hunters will not just be hunting the most dangerous people on earth. They'll be hunting the most dangerous people in the entire universe. Including Thane Krios and Urdnot Wrex.
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 14 - Words: 70,084 - Reviews: 125 - Favs: 124 - Follows: 59 - Updated: 3/27/2016 - Published: 2/23/2012 - U. Wrex - Complete
Transcendent Humanity by
Solaris242 reviews
Humanity never developed FTL. The Prothean archives contained no technology, no Element Zero, just a warning. Isolated from the rest of the galaxy for two thousand years, restricted to their only system, how will humanity have changed when they first meet the Turians? AU, alternate history of humanity and First Contact.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 18 - Words: 40,604 - Reviews: 2082 - Favs: 6,472 - Follows: 7,485 - Updated: 3/1/2016 - Published: 5/7/2013
The Heavens Shall Tremble by
Full-Paragon reviews
Sequel to And the Meek Shall Inherit the Galaxy. On hiatus while author recovers from medical emergency.
Mass Effect - Rated: T - English - Sci-Fi/Horror - Chapters: 23 - Words: 95,248 - Reviews: 943 - Favs: 1,348 - Follows: 1,575 - Updated: 9/21/2015 - Published: 10/25/2013 - Garrus V., Liara T'Soni, Tali'Zorah, Shepard (M)
Mass Effect: New Light by
Last Ride Of The Valkyries reviews
A mass relay has been found, and there's Darkness coming through. In an effort to stop it, Guardians will encounter new, slightly less hostile aliens. And a new source of Darkness: Reapers.
Crossover - Mass Effect & Destiny - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 12,186 - Reviews: 52 - Favs: 180 - Follows: 257 - Updated: 9/5/2015 - Published: 4/11/2015
Mass Effect: A journey through the Eons by
Casje reviews
When a strange device capable of remarkable feats is found in the Martian ruins, the course of humanity's history changes forever. The resulting leaps and bounds in technology leave humanity well prepared to deal with the rest of the galaxy. AU
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 41,396 - Reviews: 487 - Favs: 1,584 - Follows: 1,934 - Updated: 8/26/2015 - Published: 11/17/2014
Early Discovery by
V-rcingetorix reviews
Humanity discovers the Prothean Ruins soon after the first Mars Colony. Discovery of alien life jumpstarts their space program ... and the saga begins. A series of cameos, covering approximately 50 years worth of various characters. Rated T for safety.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 27 - Words: 125,691 - Reviews: 560 - Favs: 843 - Follows: 814 - Updated: 8/21/2015 - Published: 6/15/2014 - D. Anderson, Admiral Hackett, Illusive Man - Complete
Mesozoic Effect by
joestej reviews
Millions of years ago, the Earth was ruled not by man, but by the fearsome creatures known as DINOSAURS! Now Earth's only hope for the future may lay in the secrets of its ancient past. Let the galaxy tremble, for our world's most ancient masters have finally returned. The Council is going to have a fit...
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 46,316 - Reviews: 216 - Favs: 739 - Follows: 858 - Updated: 7/31/2015 - Published: 2/20/2015
49,993 by
Lanilen reviews
"If you're hearing this, then there is still hope. Hope that you can avoid the same mistakes we made. We fought the Reapers, but we failed to stop them." Those were the words of Doctor Liara T'Soni. But Commander John Shepard isn't the type to give up just because all sentient life in the Galaxy has been destroyed. - No longer on hiatus!
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 134,039 - Reviews: 113 - Favs: 218 - Follows: 298 - Updated: 6/20/2015 - Published: 11/13/2012 - Shepard (M), Legion, OC
Someone has heard them scream by
magkiln reviews
A council ship on a routine survey mission comes across a derelict vessel of unknown origin. Upon boarding, they find a single body, curiously asari-like, with its chest burst open as if from the inside. When the ship's owners arrive, first contact has to be made under the worst possible circumstances. (Rated T for violence and some horror)
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi/Horror - Chapters: 15 - Words: 36,280 - Reviews: 166 - Favs: 400 - Follows: 286 - Updated: 4/25/2015 - Published: 3/18/2015 - Alien/Xenomorph, Mordin S., Liara T'Soni, D. Anderson - Complete
Mass Effect: Synthesis by
Jade Tatsu reviews
"To the Sol Alliance and all of Humanity, greetings. I am Harbinger and I have traveled across the galaxy to meet you." Shepard wasn't the first to reach the Catalyst, eons ago, someone else did and they chose synthesis, embedding the desire in the Reapers. They've searched for organics to merge with ever since and now they've found them. AU, First Contact, Humans / Reapers
Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 39 - Words: 203,198 - Reviews: 1665 - Favs: 2,209 - Follows: 1,591 - Updated: 4/18/2015 - Published: 11/5/2014 - Shepard (F), Harbinger, Garrus V., Saren A. - Complete
The Legend of the Wandering Pair from Vault 101 by
Nave the DM reviews
Lloyd Freeman is joined by Amata Almodovar as they leave the safety of the halls of Vault 101 in search of his missing father, stepping into the broken world above. Along their grim path, they encounter harsh adversity and new enemies every step of the way, forge new alliances and meet new friends, and through their actions, they come to change the Capital Wasteland forever.
Fallout - Rated: T - English - Adventure/Romance - Chapters: 30 - Words: 421,689 - Reviews: 969 - Favs: 1,424 - Follows: 981 - Updated: 4/11/2015 - Published: 4/11/2010 - Lone Wanderer, Amata Almodovar - Complete
A Terraformer's Tale by
EgotisticalIndustries reviews
When eezo is completely missed by humanity and they get an extra 100 years to develop, they're far more noticeable on the galactic stage. This is despite the Mass Effect side running on Over Analysis rules, and therefore being much more powerful. Add to that some culture shock, and you've got a recipe for either disaster or awesome and I'm not sure which!
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 19,843 - Reviews: 69 - Favs: 263 - Follows: 350 - Updated: 2/9/2015 - Published: 1/22/2015
Future History by
edclancer001 reviews
Alternate Universe to the canon Mass Effect Universe. This story takes place in "our" timeline, as such, Mass Effect games and other Mass Effect works exist and are known by humanity. How has humanity moved to prepare the galaxy in the 70 years since the discovery that fiction had become fact? Will eventually reach the Mass Effect time period.
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 17 - Words: 77,485 - Reviews: 350 - Favs: 984 - Follows: 1,213 - Updated: 2/8/2015 - Published: 11/2/2013 - Shepard (M)
In Infinitum: First Contact by
Victor Weiss reviews
In the year of 2581 the UNSC stumbles across a discovery hidden beneath their noses and now a new gateway to life outside of the Forerunner space is opened and with it comes all new challenges and rewards. Its time for First Contact. OC centric, some world building as needed and war. Lots and lots of war. Rated T for blood, language, violence and gore.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 27 - Words: 149,945 - Reviews: 961 - Favs: 1,180 - Follows: 1,473 - Updated: 1/23/2015 - Published: 9/19/2013
Children of Nemesis by
Solaris242 reviews
There was a theory once, about Nemesis, the Dark Star. Stillborn twin to the sun, it wandered the void, black and cold, and every 25 million years, came back home. AU.
Mass Effect - Rated: K+ - English - Chapters: 3 - Words: 11,142 - Reviews: 269 - Favs: 1,172 - Follows: 1,388 - Updated: 1/15/2015 - Published: 9/11/2013
Cold Storage by
popcornfairy reviews
A solar flare left earth an irradiated wasteland. To survive humanity decide to sleep it out in cryostasis leaving behind robotic caretakers, the AVIDA, to protect earth and find humanity a new place to call home. The AVIDA do just that and after 700 years humanity awaken to a new future they could only dream about. The only problem is they're stuck in an interstellar war.
Mass Effect - Rated: T - English - Chapters: 6 - Words: 16,862 - Reviews: 138 - Favs: 588 - Follows: 783 - Updated: 1/11/2015 - Published: 5/24/2014
Ascension by
thebluninja reviews
Heavily AU. Thanks to a cold, humanity never discovers the Prothean ruins on Mars, and barely develops Mass Effect technology. They step out onto the galactic stage after the Reapers have harvested every other species, and find the crumbs left behind by the turians, asari, and salarians. Now they must adapt to fight a foe who won't be seen for far longer than human history.
Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 13 - Words: 71,334 - Reviews: 345 - Favs: 1,216 - Follows: 1,419 - Updated: 12/21/2014 - Published: 5/27/2013
Mission: South Central by
Darkpenn reviews
There are certain places that aliens should not try to invade.
Battle: Los Angeles - Rated: T - English - Sci-Fi/Drama - Chapters: 1 - Words: 3,935 - Reviews: 1 - Favs: 8 - Follows: 3 - Published: 11/15/2014 - M. Nantz
The Convergence by
PeaceKeeper214 reviews
AU where the Geth send ships beyond the Perseus Veil into uncharted regions of the galaxy in search of resources and knowledge on the uncharted worlds while evading the Council. Humanity is spreading through the galaxy and they are planning on activating a dormant mass relay. Mass Effect belongs to EA/Bioware. Original characters,story,elements, or ect found are used for the story
Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 14 - Words: 28,845 - Reviews: 135 - Favs: 466 - Follows: 611 - Updated: 10/9/2014 - Published: 7/6/2014 - Tali'Zorah, Legion, Shepard (M), OC
Straight into Hell by
narusakuh8tr43 reviews
They were sent out to find new life. Instead, it looks like new life found them. Rated T for violence.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 5,499 - Reviews: 38 - Favs: 122 - Follows: 135 - Published: 9/21/2014 - Nihlus K., Ghost
A Special Task by
Generatedname reviews
A Salarian STG team is sent to begin the covert uplift of a race known as the Humans. What happens next will forever change the face of the galaxy, as a new race enters the galactic stage. OC heavy. My first fic, so constructive criticism is appreciated. Rating may be subject to change.
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 40,627 - Reviews: 402 - Favs: 621 - Follows: 750 - Updated: 8/23/2014 - Published: 5/1/2014 - Admiral Hackett, Shepard (M), OC
Terran Ingenuity by
Xeno Major reviews
The Great Wars are over. Jim Raynor and his men have left the Koprulu Sector behind, choosing to settle a world away from that sector of space. Unfortunately, the colony of Shanxi is not safe; hostile aliens have invaded, intent on controlling the Terrans and their bizarre technology. Unfortunately for the Turians, the Terrans have experience fighting hostile alien invaders.
Crossover - StarCraft & Mass Effect - Rated: T - English - Chapters: 7 - Words: 90,510 - Reviews: 533 - Favs: 1,817 - Follows: 2,024 - Updated: 7/1/2014 - Published: 3/24/2013
Crisis Negotiations by
Super duper Sumo reviews
"The Ceph were only the start. Their technology has guided us towards the stars. We are greater then we have ever been." But for humanity, the Ceph were only the beginning. Humanity is under attack. The stars hold many secrets. In times like this, humanity needs a leader. A icon. A role that Jacob Hargreave is not used to. But leading from the shadows has it's advantages.
Crossover - Mass Effect & Crysis - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 27,954 - Reviews: 48 - Favs: 159 - Follows: 203 - Updated: 4/13/2014 - Published: 5/23/2013 - Conrad V., Jacob Hargreave
EVE Effect by
Grushdeva reviews
What if a wormhole made a connection that led somewhere other then W-space?
Crossover - Mass Effect & EVE Online - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 52,671 - Reviews: 95 - Favs: 255 - Follows: 346 - Updated: 3/15/2014 - Published: 5/22/2012 - Shepard (M)
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: 3,538 - Follows: 2,580 - Updated: 1/12/2014 - Published: 1/26/2013 - OC - Complete
Renegade by
Peptuck reviews
The year: 2183. An attack on the Global Defense Initiative colony of Eden Prime threatens to ignite war between GDI and the Citadel, and only one woman can keep the peace, track down the attackers, and expose the true threat to the galaxy. Alt.Universe
Crossover - Command & Conquer & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 17 - Words: 164,661 - Reviews: 542 - Favs: 1,129 - Follows: 1,111 - Updated: 1/11/2014 - Published: 3/28/2010 - Kane, Shepard (F)
And the Meek Shall Inherit the Galaxy by
Full-Paragon reviews
Due to a shift in turian and quarian patrols, first contact for humanity is friendly; Rael'Zorah and Hannah Shepard become friends, as do their species. But the galaxy is not a safe place, and schisms develop when the Council steps in. As humanity finds new allies among the stars, something darker stirs. The Meek must beware, for it is nearly harvest time. AU, lots of worldbuilding
Mass Effect - Rated: T - English - Sci-Fi/Family - Chapters: 49 - Words: 232,286 - Reviews: 3722 - Favs: 3,284 - Follows: 2,452 - Updated: 11/16/2013 - Published: 3/31/2013 - Tali'Zorah, Shepard (M), Hannah S., Rael'Zorah - Complete
The Verge War by
CharNobyl reviews
The war between the Batarian Hegemony and the Global Defense Initiative marks the first formal war against a galactic power for humankind, but the Hegemony is a far different force than the pirates it funded. Followup to "Eagle's Fall," in "Renegade" AU.
Crossover - Command & Conquer & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 64,735 - Reviews: 105 - Favs: 324 - Follows: 329 - Updated: 9/14/2013 - Published: 5/14/2012
Protoculture Effect by
Cyclone reviews
Just as robotechnology altered the course of human history, so also did another discovery hidden within Charon.
Crossover - Robotech/Macross & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 22 - Words: 64,616 - Reviews: 130 - Favs: 383 - Follows: 334 - Updated: 4/23/2013 - Published: 2/26/2011 - Shepard (M)
First Contact by
Animus of Masada reviews
An asari exploration vessel discovers Earth in the 2030's...and the first contact scenario has incredible implications for both species. What does humanity look like through alien eyes? Where do they go from here? /-AU: no Reapers, completely disconnected from the plot of the games, but mostly faithful to the setting. Told from many points of view.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 51,333 - Reviews: 1347 - Favs: 2,847 - Follows: 2,881 - Updated: 4/10/2013 - Published: 8/12/2011
Displaced Hero by
Captiosus reviews
In a desperate attempt to save his life, after narrowly destroying an alien incursion, Tony Stark is forced to use untested technology... placing his body in stasis until a cure can be found. Stark wakes far into the future finding a vastly different world... one which he will change forever. Inspired by DN7's Oneshot. Movie Ironman, Femshep, Stark/Pepper (maybe)
Crossover - Ironman & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 29,824 - Reviews: 187 - Favs: 522 - Follows: 747 - Updated: 3/16/2013 - Published: 11/12/2012 - A. E. Stark/Tony, Shepard (F)
The Babylon Effect by
andrewjameswilliams reviews
Mass Effect/Babylon 5 Fusion. When Earth discovered the Prothean cache on Mars it began a sequence of events that will change humanities destiny and the fate of the galaxy forever.
Crossover - Babylon 5 & Mass Effect - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 13 - Words: 89,041 - Reviews: 346 - Favs: 684 - Follows: 720 - Updated: 1/4/2013 - Published: 4/2/2011
Intersections: a Battle Los Angeles story by
Criosd Pherein reviews
Starting where the movie ended, the lives of the soldiers fighting to retake LA and more specifically the intersection of Staff Sergeant Mike Nantz and Michele the woman he rescued is followed as 2 lives seek peace amidst the turmoil of war's destruction
Battle: Los Angeles - Rated: T - English - Chapters: 54 - Words: 175,147 - Reviews: 115 - Favs: 106 - Follows: 66 - Updated: 11/6/2012 - Published: 7/22/2011 - Complete
Rise of the Solar Empire by
SapOzh reviews
AU. The humanity finds Prothean town on Earth in 1843 A.D. It's mostly intact and has some information about the Reapers. The Prothean technology is used to conquer and unite the humanity. There is no Alliance. Meet the Solar Empire.
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 27,084 - Reviews: 91 - Favs: 439 - Follows: 493 - Updated: 2/18/2012 - Published: 1/20/2012 - Shepard (M)
Eagle's Fall by
CharNobyl reviews
Shanxi becomes the first human world since Earth to be invaded by hostile aliens. Outnumbered and reeling, the GDI troops dig in for war, hoping their trenches will not become their graves. The First Contact War, with GDI replacing the Systems Alliance.
Crossover - Command & Conquer & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 9 - Words: 75,362 - Reviews: 187 - Favs: 656 - Follows: 386 - Updated: 2/18/2012 - Published: 5/4/2011 - Complete
Conduit by
Sith Lord Darth Revan reviews
KOTOR/Mass Effect X-Over. The Citadel receives a new guest in the form of a Mysterious Stranger. One not limited by morality, political ambition or the restraints of Element Zero. New Chapter added 7/22/11
Crossover - Star Wars & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 71,664 - Reviews: 396 - Favs: 728 - Follows: 797 - Updated: 7/22/2011 - Published: 3/5/2010 - Revan, Shepard (M)
Yea, Though I Walk by
PlaidButterfly reviews
ME2/SW Crossover. Shepard finds herself working against the Collectors with a foreign - and unwilling - ally.
Crossover - Star Wars & Mass Effect - Rated: T - English - Adventure - Chapters: 17 - Words: 22,283 - Reviews: 146 - Favs: 368 - Follows: 206 - Updated: 7/16/2011 - Published: 2/28/2011 - Darth Vader, Shepard (F) - Complete
ME meets ST by
Lord Maximus reviews
What if not all of the Protheans died? What if they destroyed a Mass Relay in one system to save one race from their fate? What would be the result?
Crossover - Mass Effect & Star Trek: 2009 - Rated: T - English - Chapters: 22 - Words: 139,972 - Reviews: 252 - Favs: 560 - Follows: 334 - Updated: 7/26/2010 - Published: 4/22/2010 - Complete