Halo and Mass Effect Crossovers
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Mass Emile by Ranschaj reviews
Emile survives the two zealots at the end of Reach, and after surviving Covenant onslaught, finds himself in the ME universe. Kick-ass picture is thanks to freejimmy on deviantart
Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 68,922 - Reviews: 841 - Favs: 1,007 - Follows: 1,187 - Updated: 5/1 - Published: 12/11/2012 - Emile-A239/Noble Four
Halo: A New Journey by mgarner3199 reviews
Master Chief wakes up in the Mass Effect universe and joins Commander Shepard in an effort to stop the Reapers. With time running out, can they stop the extinction of every species, or will they fade into legend?First, they got to stop the Reapers though...
Rated: K - English - Sci-Fi/Romance - Chapters: 3 - Words: 3,002 - Reviews: 15 - Favs: 35 - Follows: 65 - Updated: 4/27 - Published: 12/7/2021 - Cortana, Master Chief/John-117, Illusive Man, Shepard
The Canadian Commonwealth by Vassago1991 reviews
In the vast multiverse events can happen that should never happen this is the story of one such event in a a universe that was should never have been.
Rated: M - English - Chapters: 3 - Words: 17,333 - Reviews: 14 - Favs: 48 - Follows: 52 - Updated: 4/26 - Published: 2/24
Salvation (ENG) by Z0n3theDaMn3d reviews
The knowledge of sin is the beginning of salvation. More than 40 years after the end of the war against the Covenant, a new storm is brewing on the edge of the human empire. Will the colonies of the Linwood Sector be able to withstand this new threat or will they burn like Harvest once did?
Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 60,963 - Reviews: 74 - Favs: 244 - Follows: 386 - Updated: 4/24 - Published: 10/8/2020 - T. Hood, Shepard, Councilor Tevos, Benezia
The voyage of Valiant by Lighting wolf knight reviews
There was more on the line... Yet plans and webs were made. Rated T for violence, death, and profanity.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 811 - Reviews: 1 - Favs: 5 - Follows: 8 - Published: 4/20 - Miranda K., D. Whitcomb, OC, Shepard
Noble Effect by LoneSpartan52 reviews
Noble Six was alone after the death of Emile. The Pillar of Autumn had left Reach, leaving the lone Spartan behind. But what if instead of dying on Reach, fighting to his last breath, Six survived? What if he escaped Reach and headed for Earth, only to end up in another galaxy, in another war? Will he agree to fight the reapers alongside aliens? Find out in Noble Effect
Rated: T - English - Sci-Fi - Chapters: 16 - Words: 62,375 - Reviews: 127 - Favs: 340 - Follows: 480 - Updated: 4/19 - Published: 7/3/2020 - SPARTAN-B312/Noble Six, Garrus V., Shepard, Javik
Spectre by blackshamrock333 reviews
Ce qui ne devait être qu'une simple mission de récupération, pour la commandante Shepard de l'UNSC, a rapidement tourné au cauchemar. Désormais, l'humanité et la citadelle sont au bord de la guerre, inconscient qu'un danger bien plus grand les guette. Deux Shepard ne seront pas de trop pour cette mission.
Rated: T - French - Adventure - Chapters: 11 - Words: 31,569 - Reviews: 8 - Favs: 12 - Follows: 19 - Updated: 4/11 - Published: 9/12/2021
Reckoning of the Reclaimers (v2) by metts101 reviews
After the Great War Humanity was a different creature. Their brush with extinction left them cold and vengeful, and so they sought revenge for the transgressions of the Covenant species. With their eradication Humanity, driven by xenophobia, took their position as the unrivalled power in the galaxy. However, will a xenophilic alien federation, in a new galaxy, change their outlook?
Rated: T - English - Sci-Fi - Chapters: 2 - Words: 14,933 - Reviews: 40 - Favs: 242 - Follows: 348 - Updated: 4/1 - Published: 9/24/2021
The Reclamation by Fade Maybe reviews
Through ONI's manipulation, the UNSC stumbles upon a Mass Relay and is dragged into a new war. They'll discover the battered races of the Citadel, the political intrigue of its factions, and a second group of humans governed by the Systems Alliance, divided by Cerberus, and lead by Commander Shepard. Yet no one can stop what is to come: the Reclamation, and the death of the galaxy.
Rated: T - English - Drama/Suspense - Chapters: 54 - Words: 407,389 - Reviews: 1641 - Favs: 1,745 - Follows: 2,169 - Updated: 3/21 - Published: 3/13/2013
Lost Son of Terra Phoenix by Ares007 reviews
For eons past, they enjoyed the harvest of their farms. Countless civilizations breathed life because they allowed it. Now, they will die because he demands it. Halo/Mass Effect but with heavy elements from Warhammer 40k. M-Shep/Miranda, OC/Liara. HFY
Rated: M - English - Adventure/Romance - Chapters: 10 - Words: 62,084 - Reviews: 39 - Favs: 128 - Follows: 166 - Updated: 3/14 - Published: 11/29/2021 - [SPARTAN-B312/Noble Six, Oriana L.]
Immortal Galaxies by Lighting wolf knight reviews
An escape from an overrun galaxy lands them in another galaxy? What does being the biggest fish in the water gain you in a world without heavy hitters? Rated T for violence, death, and profanity.
Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 4,777 - Reviews: 8 - Favs: 69 - Follows: 113 - Updated: 2/25 - Published: 11/11/2021 - [OC, Vetra N.] T. Hood
Were it So Easy by Sigma0327 reviews
Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?
Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 45,863 - Reviews: 77 - Favs: 501 - Follows: 742 - Updated: 2/23 - Published: 11/9/2020 - SPARTAN-B312/Noble Six, Tali'Zorah, Miranda L., Shepard
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.
Rated: M - English - Sci-Fi - Chapters: 26 - Words: 287,962 - Reviews: 1967 - Favs: 3,573 - Follows: 4,539 - Updated: 2/21 - Published: 2/21/2017 - Master Chief/John-117, Cortana, Garrus V., Shepard
Audax Novus by A-01 reviews
A bold new world - A strange new reality - Fresh trials, tribulations, allies, and enemies. John fell through the portal from the Mantles Approach, but his luck works in mysterious ways. Now stranded in an alternate reality, how will he strive forward? The galaxy takes a sharp turn from the world we know, and the Reaper threat looms just as large, but no longer so uncontested.
Rated: M - English - Adventure/Romance - Chapters: 25 - Words: 656,164 - Reviews: 752 - Favs: 1,547 - Follows: 1,935 - Updated: 2/17 - Published: 9/4/2020 - [Master Chief/John-117, Miranda L.] [Shepard, Tali'Zorah]
The Unknown Defender by Gabenator5 reviews
While Shepard is closing in on Saren, something odd is happening in the Terminus systems. A new faction stirs, its green-clad enforcers seemingly unstoppable. Rumors spread, pirate bases going dark, both the enslaved and kidnapped alike are discovered free. Who are these new interlopers and what is their goal? For good or ill the powers that be intend to find out.
Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 121,911 - Reviews: 1309 - Favs: 3,602 - Follows: 4,586 - Updated: 1/16 - Published: 9/27/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Leviathan
To Be the Last by Bruanshan Never-Seen reviews
A Halo/Mass Effect crossover, though not a typical one. This is the story of the last Forerunner, sent to a different galaxy entirely. How will he handle himself in this new glaxy where everything is different. Adopted from drich147. I corrected a mistake in chapter 3 regarding how long he has been there. I do not own Mass Effect or Halo.
Rated: M - English - Adventure - Chapters: 3 - Words: 13,070 - Reviews: 234 - Favs: 427 - Follows: 494 - Updated: 1/13 - Published: 7/28/2012 - Didact
Accounts of the Flood conflicts by hunter 139 reviews
A multicrossover series of one-shots depicting several franchises and their encounters with the Flood. I do not own Halo or any other franchises depicted in these stories.
Rated: T - English - Horror/Sci-Fi - Chapters: 40 - Words: 98,854 - Reviews: 203 - Favs: 169 - Follows: 184 - Updated: 1/8 - Published: 1/15/2015 - Gravemind
Voyage unto Infinity by supertruckin reviews
The USS Voyager comes face to face with the massive ship that is the UNSC Infinity after Voyager's nearly fatal first test of their quantum slipstream drive. Getting home isn't their only issue. They will have to work together in order to unravel the ancient threat that plagues the new galaxy that they find themselves in. Star Trek:Voyager, Mass Effect, and Halo triple crossover
Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 79,399 - Reviews: 619 - Favs: 1,588 - Follows: 2,089 - Updated: 1/2 - Published: 4/10/2019 - Master Chief/John-117, Cortana, Shepard
It Started At Shanxi by SpaceTurtleOX reviews
Fifty years after the end of the Human-Covenant War an ill-fated UNSC expedition opens Relay 314, revealing a civilization unprepared for their arrival, and relics from a terrible past.
Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 81,162 - Reviews: 555 - Favs: 1,689 - Follows: 2,550 - Updated: 12/27/2021 - Published: 7/26/2019 - Master Chief/John-117, Cortana, Zaeed M., OC
An Old Machine's New Home by Edgeoftoday reviews
A Reaper is launched from it's home galaxy during one of their many cycles, and spends countless years floating through the empty void of space. It's unintended destination results in the nearly destroyed machine unknowingly put in the middle of a galactic war between a coalition of religeous zealots and an ambitious race expanding over the stars. Picks up at the start of Halo: CE.
Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 29,509 - Reviews: 71 - Favs: 250 - Follows: 353 - Updated: 12/25/2021 - Published: 8/22/2020 - Master Chief/John-117, Arbiter, J. Keyes, Cortana
Just Built Different by Pokeya reviews
Max Barrett, the child prodigy, is the single smartest man that humanity has ever or will ever produce. Regarded as both the greatest mind and as a naturally born supersoldier Max is guaranteed a life of luxury. Unfortunately, a single good deed has landed him in an unusual situation: he finds himself in a Halo/Mass Effect crossover universe.
Rated: M - English - Humor/Sci-Fi - Chapters: 6 - Words: 43,727 - Reviews: 66 - Favs: 188 - Follows: 235 - Updated: 12/24/2021 - Published: 12/21/2020
A Halo Effect Challenge by FallenDispair reviews
For a writer looking for a Halo/Mass Effect crossover idea. Free range use of what's inside. Details and new combined timeline of the two universes.
Rated: T - English - Chapters: 1 - Words: 11,833 - Reviews: 4 - Favs: 18 - Follows: 17 - Published: 12/20/2021
Inheritor Effect by Panther-Girl0251 reviews
The family and friends would have been know that Raine would be dead or she could be alive somewhere in the galaxy. They may have hope that Raine will eventually come back home to her family and friends. Wherever she is... or whenever she is found. Things are going to be different in the future she might discover something new... in century later.
Rated: M - English - Sci-Fi - Chapters: 3 - Words: 5,313 - Reviews: 5 - Favs: 7 - Follows: 12 - Published: 12/16/2021 - [Shepard, Garrus V.] [SPARTAN-B312/Noble Six, OC]
The Truth About What It Means To Be Alive by FreedomOfThinking reviews
He's the last of his kind, and he's way out of his time. Waking up to a universe under the control of a despotic Artificial Intelligence was the last thing he expected. But the good news for him is that our favorite red-haired commander is all-inclusive and totally supportive of anyone, human or alien. Even if he's kinda responsible for the whole Reaper thing... whoops.
Rated: T - English - Humor/Adventure - Chapters: 5 - Words: 40,276 - Reviews: 50 - Favs: 228 - Follows: 323 - Updated: 12/16/2021 - Published: 4/10/2019 - Librarian, Didact, OC, Shepard
Mass Effect: Spartans of the UNSC Stormbringer by Beowolf 43
first chapter is summery.
Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 210 - Favs: 7 - Follows: 12 - Published: 12/3/2021
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