Halo and Mass Effect Crossovers
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Origins: A Dark Codex by RedShirt1453 reviews
Codex to Origins: Dark Rising. Includes Characters, Events, Timelines, and other important crap. Still under revision but while I work on revising Dark Rising this is where all that codex stuff will be.
Rated: T - English - Chapters: 1 - Words: 4,839 - Reviews: 2 - Favs: 19 - Follows: 9 - Published: 2/1/2017
The Long Way Forward by DeathBladeVI reviews
A retelling of Mass Effect with the UNSC. After a joint-dig gone wrong, the UNSC sends Commander Shepard against Saren, the turian Spectre who attacked Eden Prime. Faced with being humanity's image to the rest of the galaxy, Shepard must deal with the Council, another turian Spectre, and being under the command of a captain determined to clear the name of her father.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 7,686 - Reviews: 18 - Favs: 49 - Follows: 65 - Updated: 1/31/2017 - Published: 1/28/2017
Saga's, Antiquities, Mythology, and Legends of the Star League by Reichenfaust reviews
The tales of how humanity, and the galaxy became what they are today. Will contain stories on what has happened before the Covenant Invasions.
Rated: M - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 7,614 - Reviews: 4 - Favs: 17 - Follows: 10 - Updated: 1/10/2017 - Published: 1/8/2017
A VERY BIG MASS EFFECT by cyrus saint 1st true god reviews
a remembrance day of the great war was under way when a slip- space portal drags the fleets of both parties in to the mass effect 3, the reapers are going to die a horrible death [in progress]
Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 11,003 - Reviews: 30 - Favs: 70 - Follows: 97 - Updated: 1/10/2017 - Published: 10/7/2016 - Master Chief/John-117, P. Cole, T. Lasky, Shepard
Halo 3:The Rookie by death7559 reviews
The Rookie. One of those strong, silent, types. After finding himself trapped in a strange alien universe, The Rookie joins on with commander Shepard to hunt down a rogue SPECTRE who may just know The Rookie. On Hiatus.
Rated: T - English - Chapters: 4 - Words: 3,409 - Reviews: 56 - Favs: 96 - Follows: 160 - Updated: 1/4/2017 - Published: 4/1/2014 - Rookie, J. Garson, Garrus V., Tali'Zorah
First Contact by Shadythief reviews
When the SSV Normandy becomes lost in space, they chance upon an undiscovered system. They find an unknown race, who use strange technology previously thought impossible. Could these aliens be the key to a far off future war? Or will they only cause more destruction?
Rated: K+ - English - Sci-Fi/Adventure - Chapters: 7 - Words: 30,619 - Reviews: 81 - Favs: 237 - Follows: 315 - Updated: 12/31/2016 - Published: 3/18/2016 - Arbiter, J. Garson, Garrus V.
Halo-Mass Effect: Altered-Destiny (Discontinued) by Azores reviews
This story has been discontinued. Thank you everyone for all the support you've shown! It really means a lot. -Azores
Rated: T - English - Sci-Fi - Chapters: 15 - Words: 100,046 - Reviews: 356 - Favs: 690 - Follows: 867 - Updated: 12/15/2016 - Published: 1/25/2015 - J. Cutter, P. Cole, U. Wrex, Aria T'Loak
Mass Effect: A Spartans journey by Habbit44 reviews
Okay this story is kind of a fusion between mass effect, Halo, and Game of throne. This takes place in the mass effect universe with halo tech with the political minefield of game of thrones if that sounds good keep reading and enjoy.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 455 - Reviews: 2 - Favs: 3 - Follows: 5 - Published: 12/14/2016 - Cortana, D. Anderson, OC
Point of Divergence by 3ND34V0R reviews
Based on StarSerpent's Invicta Series It's been 13 years since the end of the Great War. The brewing cold war between the Human-Turian Alliance and the Citadel reaches a precipice. Enter Eden Prime, an insignificant colony made significant by the discovery of an intact Prothean Beacon. While the two great powers rush to cooperate, an ancient threat emerges from the shadows.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 9,265 - Reviews: 17 - Favs: 41 - Follows: 59 - Updated: 11/29/2016 - Published: 11/24/2016 - J. Garson, Saren A.
The Next Great Journey by alanvaladez reviews
After the destruction of Requiem and an attack against Earth, both the UNSC and Covenant Separatist form the Systems Alliance. Then a discovery in the Deca-5 system changes everything for all sides. Cold War like conflict, lots of ONI , AU for Mass Effect and a council that actually thinks before it acts.
Rated: M - English - Sci-Fi/Drama - Chapters: 19 - Words: 150,316 - Reviews: 203 - Favs: 516 - Follows: 544 - Updated: 10/30/2016 - Published: 9/8/2014 - Master Chief/John-117, OC, Saren A., OC - Complete
Mass effect: Alliance by ryan456 reviews
The UNSC has formed together with its former enemy's and found new allies, suddenly they discover a relay. Inspired by halo a new age and new dawn. First chapter is a timeline
Rated: T - English - Chapters: 3 - Words: 5,359 - Reviews: 22 - Favs: 91 - Follows: 107 - Updated: 10/24/2016 - Published: 10/19/2016
Last Spectre of Reach by Ginyou Rinsom reviews
Remembered by history they thought his body belonged to Reach. To his purpose he rose again not only to defend humanity but a galaxy full of those who cried for freedom. Together, he bleed with them but he still failed. Can he shed his apprehension and work alongside the one human and her team who can stop the terror from beyond the darkness? This is the next chapter of Six's tale.
Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 33,180 - Reviews: 73 - Favs: 287 - Follows: 420 - Updated: 10/9/2016 - Published: 10/15/2013 - SPARTAN-B312/Noble Six, J. Garson
Divergent Pasts by JLake4 reviews
The Cycle marches ever onward. 100,000 years ago a race virtually unknown to Citadel space established an Empire that spanned the galaxy. Two Cycles later, their ruins gave rise to a Covenant bound in their worship. These aliens evolved outside of the Reapers' plan, and now threaten to upset it as their gods had eons before. (Rewrite in progress!)
Rated: T - English - Adventure - Chapters: 14 - Words: 57,096 - Reviews: 258 - Favs: 173 - Follows: 198 - Updated: 10/4/2016 - Published: 11/19/2013 - Arbiter, Ashley W.
Red Cobra by Billybobjoe47s reviews
Last time the UNSC discovered a mysterious alien artifact, the Halos came within seconds of activating. Every problem the UNSC has had in the last 50 years has been because of aliens and their blasted artifacts. So when a newly-surveyed system holds a mysterious artifact, there is great cause for worry. Operation RED COBRA is intended to remedy that worry- by any means necessary.
Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 30,732 - Reviews: 202 - Favs: 626 - Follows: 860 - Updated: 9/29/2016 - Published: 1/6/2015 - Master Chief/John-117, T. Hood
Mass Effect: First Contact CODEX by Kralizec314 reviews
A codex for my AU Story, Mass Effect: First Contact, which has yet to be posted.
Rated: M - English - Sci-Fi - Chapters: 14 - Words: 31,712 - Reviews: 126 - Favs: 129 - Follows: 121 - Updated: 9/29/2016 - Published: 3/7/2016
Fall of the Mighty: Diffractions by Admiral Rake Donsom reviews
A changed humanity went into hibernation, having fallen prey to its own nature. Mountains formed, solar systems collapsed, and history went on without them. However, that story has not finished yet. A moral war that had once raged for tens of thousands of years will now be brought upon the Galactic Government's front door... for better or worse. (FIXED DISCONTINUITY IN CHAPTER 2)
Rated: M - English - Sci-Fi/Horror - Chapters: 5 - Words: 15,453 - Reviews: 45 - Favs: 74 - Follows: 111 - Updated: 9/11/2016 - Published: 6/24/2012 - SPARTAN-B312/Noble Six, J. Garson
We need a Miracle by six samurai of dragon order reviews
They say when a miracle is needed most, it appears. But, what if the miracle that humanity needed most to survive the war didn't happened. What if they had a plan B? What if they had to leave known space to survive the covenant? Humanity lost the war A/U.
Rated: M - English - Adventure/Sci-Fi - Chapters: 6 - Words: 30,960 - Reviews: 62 - Favs: 221 - Follows: 297 - Updated: 9/7/2016 - Published: 10/13/2014 - Master Chief/John-117, C. Halsey, Councilor Valern
The System Alliance gets a new upgrade by charly120 reviews
Humanity is still in the sol system but not for long and Jane Shepard's Grandparent's meet. War breaks out, the council gets ignored. Athena meets Arachnids from starship troopers. Does not follow cannon completely and is AU. It has Halo references and a few other genre's rated M for future chapter content. I DO NOT OWN MASS EFFECT/HALO/STARSHIP TROOPERS. MEANT FOR MATURE AUDIENCES
Rated: M - English - Sci-Fi - Chapters: 13 - Words: 59,564 - Reviews: 51 - Favs: 258 - Follows: 254 - Updated: 8/20/2016 - Published: 4/11/2015 - P. Cole, J. Garson, Liara T'Soni, Admiral Hackett
Infinity by casquis reviews
Space is infinite, but under the right conditions even a galaxy can feel too small.
Rated: T - English - Sci-Fi - Chapters: 8 - Words: 51,961 - Reviews: 260 - Favs: 395 - Follows: 548 - Updated: 8/19/2016 - Published: 10/12/2015
Shadow Contingency by Andrithir reviews
As the war against the Covenant takes another turn, humanity must confront a wider galactic community beyond the known regions. (Currently being reworked and edited 20/03/2017) New version posted as Shadow Contingency (v2) - (10/06/2019)
Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 55,400 - Reviews: 72 - Favs: 254 - Follows: 303 - Updated: 7/1/2016 - Published: 7/15/2015 - Master Chief/John-117, J. Garson
The Lone Wolf Vs The Shepard by The Shadow Commander reviews
One is ranked Hyper-Lethal, the other is the hero of the Citadel. One is a young SPARTAN-III, the other is a veteran N7 soldier. Both are soldiers and consider heroes, but only one is the perfect soldier. Who will win, the Lone Wolf or the Shepard. Rated M: For reasons.
Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,621 - Reviews: 4 - Favs: 13 - Follows: 20 - Published: 6/22/2016 - SPARTAN-B312/Noble Six, J. Garson, Miranda L., Shepard
Shattered Beliefs (Abandoned) by Barrybumhead reviews
"After the Great War the Unified Alliance is formed ushering a new golden age of both technology and Economy, But what happens when another first contact goes bad? How will humanity react to another possible Great War? And how will the Council react when all their Beliefs about technology are shattered?"
Rated: K+ - English - Sci-Fi/Adventure - Chapters: 4 - Words: 8,085 - Reviews: 32 - Favs: 121 - Follows: 169 - Updated: 6/12/2016 - Published: 3/6/2016
Universal Restriction by Chaoswind2 reviews
First part of a three part project: The Great war was finally over, with the Covenant and the Flood defeated there were no enemies left to fight, mankind could finally take a breath and enjoy the peace they had earned after twenty seven years of a war that had claimed twenty three billion lives. Or so they hoped. But the galaxy has never been that kind.
Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 39,222 - Reviews: 64 - Favs: 173 - Follows: 226 - Updated: 5/26/2016 - Published: 6/20/2013 - Master Chief/John-117, Cortana
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?
Rated: T - English - Adventure/Mystery - Chapters: 21 - Words: 96,812 - Reviews: 3493 - Favs: 5,732 - Follows: 6,634 - Updated: 5/22/2016 - Published: 10/13/2011 - Tali'Zorah
The Sangheili Effect by Allard-Liao reviews
Years after the Covenant Remnant founded by Jul M'dama had been destroyed, a new Covenant of Prophet-led Brutes attempt to attack humanity and its allies. One of the task forces sent to squash the upstarts triggers an unprecedented Slip-Space event. This is my very, VERY long-overdue answer to the Crossover Challenge by B1ue Ange1s. Rated T for now.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,288 - Reviews: 6 - Favs: 18 - Follows: 34 - Published: 5/20/2016 - Tali'Zorah, Shepard
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