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The Infinity Effect
by creamofwheat2311 reviews
After discovering a Precursor artifact, the UNSC Infinity and the Sangheili Shadow of Intent are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined: the Reapers. Alliances are founded, friendships are formed, and decisions are made that will change this galaxy forever. Post Halo 4, Pre ME3. AU
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 76,805 - Reviews: 752 - Favs: 852 - Follows: 1,103 - Updated: 4/16 - Published: 10/9/2013 - Master Chief/John-117, T. Lasky, Admiral Hackett, 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: 20 - Words: 91,150 - Reviews: 2704 - Favs: 2,530 - Follows: 2,815 - Updated: 4/10 - Published: 10/13/2011 - Tali'Zorah
Mass Effect: The New Journey
by Arashi the Solar Phoenix reviews
During a Joint Deployment, the UNSC Infinity and Her Sangheili allies are suddenly thrown into a new Galaxy, and end up near Charon before the Systems Alliance discovers the Charon Relay. Alliances are forged and how will the galaxy react to an aggressive humanity that not only doesn't use Mass Effect technology, but will not let anyone stand in their way of expansion? AU PreME1
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 42,789 - Reviews: 366 - Favs: 596 - Follows: 746 - Updated: 3/27 - Published: 1/26
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: 42 - Words: 400,509 - Reviews: 2459 - Favs: 2,018 - Follows: 2,012 - Updated: 3/17 - Published: 5/2/2010 - Master Chief/John-117
Mass Effect: After Earth Chronicles News Stories
by Charlie Chatham reviews
Ten years have passed since the Reaper Invasion and life continues for the galactic community. Catch up to the latest news reports from around the galaxy with the Alliance News Network. Fictionalized background for my main story: Mass Effect/After Earth Chronicles.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 32 - Words: 17,721 - Reviews: 29 - Favs: 24 - Follows: 32 - Updated: 3/10 - Published: 8/30/2012 - Blasto
Galaxy at War: N7
by iBayne reviews
Follows the N7 teams of the SSV Cambrai as they wage war on Cerberus and the Reapers. See the first chapter for details on submitting your own characters to the storyline . Mild coarse language/depictions of wartime violence.
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 504 - Words: 656,850 - Reviews: 2823 - Favs: 233 - Follows: 223 - Updated: 3/1 - Published: 4/5/2012 - OC
by Omega-E reviews
Based on the Control ending to Mass Effect 3. This will focus on the after effects on Jack. Rated M because, well, its Jack. First Attempt in the Fanfiction genre. Please Review and Enjoy!
Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 19 - Words: 33,989 - Reviews: 35 - Favs: 26 - Follows: 59 - Updated: 3/1 - Published: 4/30/2013 - Jack
Mass Effect: All That Remains
by Errationatus2 reviews
The Reaper War is over, but the universe is dark and deep... Rated M for language and situations. And Jack. Reviews are welcome, but no pressure.
Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 64 - Words: 151,945 - Reviews: 19 - Favs: 34 - Follows: 43 - Updated: 2/20 - Published: 2/24/2013 - Miranda L., Jack, Shepard (M)
The Fighting Spirit
by smart grid reviews
Spartans never die, they say. When Jorge gave his life to save his home planet of Reach, he never imagined that he would survive. But now he finds himself neck deep in the troubles of another universe; he will do what he has been trained to do, what all Spartans do best: fight.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 25 - Words: 109,405 - Reviews: 364 - Favs: 412 - Follows: 593 - Updated: 2/19 - Published: 12/1/2011 - Jorge-052/Noble Five, Shepard (F)
Lone Survivor: The history of Zaeed Massani
by thebluninja reviews
For the Aria's Afterlife "Under-served Character" contest. A look back at the history of Zaeed Massani, from picking up his first assault rifle pre-Contact to the end of the Reaper war. Selected in memory of Robin Sachs, RIP. Lots of swearing, which you should expect from Zaeed Goddamn Massani.
Mass Effect - Rated: T - English - Tragedy/Drama - Chapters: 15 - Words: 20,794 - Reviews: 85 - Favs: 36 - Follows: 52 - Updated: 1/7 - Published: 2/6/2013 - Zaeed M.
Alliance Personnel File: LCDR SHEPARD, J
by FluffyCannibal reviews
Shepard survived the Crucible. These are the Alliance files charting his time spent recovering in hospital. COMEDY, not to be taken too seriously. **WARNING** Shepard has hacked my account and is replying to all reviews. Proceed with caution.
Mass Effect - Rated: T - English - Humor - Chapters: 24 - Words: 16,605 - Reviews: 125 - Favs: 162 - Follows: 167 - Updated: 12/18/2013 - Published: 5/30/2013 - Shepard (M)
A Battle 65 Million Years in the Making
by Xenos394 reviews
A One-shot about Grunt's reaction to discovering Dinosaurs. Suggested by Krikr. Rated T for paranoid safety. Makes reference to Jurassic Park but is most assuredly not a cross-over.
Mass Effect - Rated: T - English - Humor/Sci-Fi - Chapters: 1 - Words: 2,193 - Reviews: 3 - Favs: 8 - Follows: 2 - Published: 12/9/2013 - U. Grunt - Complete
Proper Application of Firepower
by Kamikaze duck reviews
Throughout multiple Galaxies a vast war rages. But within one, it will be decided.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 10,531 - Reviews: 11 - Favs: 37 - Follows: 45 - Published: 11/22/2013 - A. J. Johnson, Admiral Hackett
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: 3224 - Favs: 1,934 - Follows: 1,795 - Updated: 11/16/2013 - Published: 3/31/2013 - Tali'Zorah, Shepard (M), Hannah S., Rael'Zorah - Complete
Jack's Bitter Smile
by dustin at night reviews
The commander faces the oncoming Reapers, but may not be able to save another touched by the Prothean visions. Finally past fluff and character building and into main story, enjoy.
Mass Effect - Rated: T - English - Hurt/Comfort/Romance - Chapters: 14 - Words: 25,869 - Reviews: 9 - Favs: 6 - Follows: 14 - Updated: 11/4/2013 - Published: 2/27/2013 - Jack, Shepard (M)
Halo: New Horizons
by creamofwheat2311 reviews
The year is 2559, and the UNSC has discovered a large anomaly on the edge of the galactic rim. What it turns out to be has the potential to change history, but maybe not in the way the UNSC intended. Meanwhile, with the first Death Star destroyed, the Rebel Alliance is desperately trying to overthrow the Empire, but it will take the help of new allies to liberate the galaxy. AU.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 22 - Words: 155,059 - Reviews: 750 - Favs: 627 - Follows: 698 - Updated: 10/27/2013 - Published: 11/1/2012 - Luke S., G. Marek/Starkiller, T. Lasky
by Syroc reviews
Vast AU. It wasn't the Systems Alliance that fought the First Contact War, but the Collective Earth Government. And that was enough to change things significantly.
Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 73,664 - Reviews: 115 - Favs: 251 - Follows: 233 - Updated: 9/20/2013 - Published: 1/1/2011 - Shepard (M)
The Sisters Lawson
by CobaltAC reviews
Commander Shepard's birthday is coming up. Miranda wants to do something special for her boyfriend. Unfortunately, she's not very good in regards to gifts. So, she meets up with her sister, Oriana, for some advice on what a good gift for the Commander might be. Oriana suggests something rather... intimate. M!Shep/Miranda/Oriana/Kasumi - Rated M for the obvious
Mass Effect - Rated: M - English - Humor/Romance - Chapters: 2 - Words: 3,651 - Reviews: 53 - Favs: 153 - Follows: 199 - Updated: 9/15/2013 - Published: 7/21/2013 - Miranda L., Kasumi G., Oriana L., Shepard (M)
Vita ex Machina
by JanusTheTraveler reviews
Legion had no idea what it was getting itself into when it agreed to join Shepard's team. A series of one-shots detailing its gradual development from machine into teammate, crew member, and friend.
Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 6 - Words: 23,801 - Reviews: 60 - Favs: 85 - Follows: 113 - Updated: 9/6/2013 - Published: 4/10/2013 - Legion
Halo: First Contact
by FuzyDr4G0NZ reviews
An Asari Deep space exploration craft discovers an unknown wreck in space, meanwhile the UNSC Gorgon is sent out on a scouting mission into the lost outer colonies.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 62,980 - Reviews: 458 - Favs: 488 - Follows: 721 - Updated: 8/26/2013 - Published: 12/19/2012
An Unusual Companionship
by CobaltAC reviews
No Reapers AU. Shepard didn't join the Alliance Navy. Instead, our illustrious human heads to Thessia and is taught in the arts of pleasure. Soon enough, one Matriarch Benezia purchases the human's services... Written for the KinkMeme. Benezia/ManShep/Liara/Others. Rated M for a very good reason.
Mass Effect - Rated: M - English - Romance/Fantasy - Chapters: 4 - Words: 15,512 - Reviews: 52 - Favs: 170 - Follows: 186 - Updated: 7/9/2013 - Published: 3/5/2013 - Benezia, Liara T'Soni, Shepard (M)
by Detective-Mason reviews
Legion watches a vid at movie night and is immersed in the world of fiction. Specifically A.I. fiction. Shepard learns that this new outlet might be giving the geth some questions about its own existence and about its place in the universe. One-Shot.
Mass Effect - Rated: K - English - Humor - Chapters: 1 - Words: 2,023 - Reviews: 8 - Favs: 44 - Follows: 7 - Published: 5/28/2013 - Legion - Complete
Halo: Mass Contact
by TheConstellation reviews
Thirty-five years have past since the end of the Human-Covenant War. Having reclaimed most all its previous glory, the UNSC exploration locates a massive artificial construct in the outer orbit of a star. While investigating the object alongside their Sangheili allies, new aliens come forth from the construct and bring humanity and the sangheili into a fate they never expected. R&R
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 19 - Words: 25,544 - Reviews: 539 - Favs: 559 - Follows: 781 - Updated: 4/30/2013 - Published: 12/22/2012
Shepard's Greatest Mission - Priority: Motherhood
by Sun-Tsu Toriden reviews
Shepard will never have a human child of her own, but she has the next best thing: Grunt. Shepard will learn some interesting lessons about herself, her son and parenthood in some unlikely ways. Chapter 2: The Talk (you know what I mean). Rated T for nudity
Mass Effect - Rated: T - English - Humor/Family - Chapters: 3 - Words: 4,269 - Reviews: 17 - Favs: 39 - Follows: 25 - Updated: 3/26/2013 - Published: 3/12/2013 - Shepard (F), U. Grunt - Complete
Mass Effect: ODST
by Helljumper 1337 reviews
A hero need not speak. When he is gone, the world will speak for him. Follow Rookie the young helljumper as he attempts to piece together to how did he ended on this messed up place...
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 59,265 - Reviews: 413 - Favs: 416 - Follows: 463 - Updated: 3/17/2013 - Published: 12/12/2010 - Rookie, Shepard (F)
Journeys With A Prothean
by gregories reviews
"I put forward the idea of writing a book with Javik, and to my surprise, he said he would think about it. Perhaps it's a start." A collaborative work by Dr. Liara T'Soni and the once Commander Javik. / Historical approach of, you guessed it, all things Prothean. Expect field-guide tone to some chapters and limited use of headcanons to fill in the cracks.
Mass Effect - Rated: T - English - Adventure - Chapters: 4 - Words: 2,858 - Reviews: 8 - Favs: 5 - Follows: 11 - Updated: 9/20/2012 - Published: 8/16/2012 - Liara T'Soni, Javik
100 Things Commander Shepard Crew'll Mutiny Over
by The Mad Dragon reviews
Shepard's crew, having had enough of some of her antics, has come together to compile a list of things she's no longer allowed to do.
Mass Effect - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 1,960 - Reviews: 63 - Favs: 259 - Follows: 39 - Published: 1/17/2012 - Shepard (F) - Complete
Sort: Category . Published . Updated . Title . Words . Chapters . Reviews . Status .
We Came To Dance reviews
Shepard and Jack meet up in Purgatory on the Citadel, they talk about their future and the proceed to dance the night away, in more ways than one. Rated M for lots of Jack and smut. Lots of smut. Influenced by the Gaslight Anthem song by the same name.
Mass Effect - Rated: M - English - Romance/Friendship - Chapters: 2 - Words: 7,677 - Reviews: 8 - Favs: 19 - Follows: 23 - Updated: 1/7 - Published: 12/21/2013 - Jack
Of Blood and Iron reviews
When Commander Shepard goes down with the Normandy after its attacked by an unknown aggressor, his body is recovered by the one faction that no one expected: The Geth. They will rebuild him, and he shall be their Voice to the Galaxy. The Collectors, the Reapers, shall face a man made of Blood and Iron. AU of ME2-3, no pairings just yet. language warning for Jack.
Mass Effect - Rated: T - English - Sci-Fi/Friendship - Chapters: 6 - Words: 33,524 - Reviews: 54 - Favs: 144 - Follows: 206 - Updated: 12/10/2013 - Published: 10/20/2013 - Legion, Shepard (M)
Mass Effect: Reap What You Sow reviews
Commander John Shepard hangs between life and death, having the strangest conversation of his life. His friends and lover must come to terms with the new world they reside in and hope for the day that Shepard returns to them.
Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 4 - Words: 9,758 - Reviews: 1 - Favs: 16 - Follows: 27 - Updated: 8/19/2013 - Published: 5/15/2013 - Jack, Shepard (M)