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Wasteland Galaxy by Redentor reviews
Matriarch Lantaya is a brave explorer from the Golden Age of Asari space exploration, and she wants to go home. The Lone Wanderer is a messianic cyborg from a world scorched in nuclear fire, and he wants to save the wastelands. Courier Six is a tribal postman who usurped control of an entire city state. He wants to eat people. Among other things. (Also available on Spacebattles)
Crossover - Fallout & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 57,006 - Reviews: 9 - Favs: 55 - Follows: 87 - Updated: 8h - Published: 1/5 - Lone Wanderer, Courier, OC
STAR WARS: The Dragon Effect Saga EPISODE ONE The Hidden Menace by jacques0 reviews
An odd little fusion between my favorite Bioware series thrown into a Star wars setting. So enjoy the read.
Crossover - Mass Effect & Dragon Age - Rated: T - English - Fantasy/Adventure - Chapters: 14 - Words: 35,878 - Reviews: 19 - Favs: 14 - Follows: 15 - Updated: 14h - Published: 6/7/2021
Mass Effect: Ages of Myst by IX404 reviews
Upon his mother's death, Garrus, and his father Castis, learns of a book that she was gifted shortly before her passing. What neither of them know, is that they will soon journey on an adventure across the Ages, while solving the mysteries of Myst, Riven, and beyond.
Crossover - Myst/Riven & Mass Effect - Rated: T - English - Adventure/Suspense - Chapters: 6 - Words: 31,418 - Reviews: 5 - Favs: 6 - Follows: 10 - Updated: 21h - Published: 1/20 - Atrus, Catherine, Garrus V.
Exodus Into Fire by keita52 reviews
When the Battlestar Galactica, guided by Starbuck, makes the jump towards Earth, they find a planet encircled by giant black ships and a woman calling herself Commander Shepard telling them to leave before the Reapers attack them. With Earth not the safe haven they'd hoped for, the Colonial Fleet and their Cylon allies struggle to make a place for themselves in this new universe.
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 17 - Words: 69,535 - Reviews: 111 - Favs: 276 - Follows: 414 - Updated: 2/3 - Published: 11/12/2014 - K. Thrace/Starbuck, Ashley W., Shepard
Saga of the Bridgers-Year 5 by Ganel750
The Death Star has been destroyed. While the Coalition celebrates, Ezra and Jaral return to Lothal, to spend some time with their family and introduce Luke to the ways of the Jedi. But the Empire is far from broken, as Grand Admiral Tanis and his fleet are already preparing to avenge the death of so many of their comrades.
Crossover - Mass Effect & Star Wars Rebels - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 1 - Words: 5,027 - Favs: 4 - Follows: 6 - Published: 2/2 - [Ezra B., Sabine W.] Stromtroopers, OC
Mass Effect: Galaxy at war by palik reviews
A Citadel Exploration fleet filled with people the council didnt want around discovers something that will change the face of Citadel Space forever. The council will experience a crash course in the fight for survival
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 25 - Words: 77,117 - Reviews: 471 - Favs: 976 - Follows: 1,415 - Updated: 2/2 - Published: 6/18/2020
BattleTech: The Mass Effect by IX404 reviews
During the beginning of the Reaper War, Shepard is informed of a Prothean artifact claimed by Cerberus and sent to stop them. Little does he know is that soon, he will find himself and his crew in a world both familiar and alien to their own.
Crossover - Mechwarrior/Battletech & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 109,877 - Reviews: 157 - Favs: 136 - Follows: 166 - Updated: 2/2 - Published: 12/21/2020 - Garrus V., Shepard, James V., Nyreen K.
Spectre by Jonathan Palmer reviews
When the SSV Normandy is attacked Ashley convinces Shephard to to go with her. Follow their travels as Shephard makes it off the Normandy alive. Stranded on late 20th century Earth what will they do now? AU, Smart Harry, Female Shephard.
Crossover - Harry Potter & Mass Effect - Rated: M - English - Sci-Fi/Friendship - Chapters: 3 - Words: 9,929 - Reviews: 12 - Favs: 56 - Follows: 104 - Updated: 2/2 - Published: 1/20 - Harry P., Ashley W., Shepard
Raiders by Of Questionable Veracity reviews
Cerberus research labs look at all sorts of things. Some they probably shouldn't.
Crossover - Warhammer & Mass Effect - Rated: T - English - Chapters: 1 - Words: 6,899 - Reviews: 4 - Favs: 6 - Follows: 6 - Published: 2/2 - Complete
Remnite Adrift by MarredTales reviews
Falling prey to a surprise attack by Cinder and her cronies, Yang did the one thing Ambrosius said not to, she fell. There was a fairytale about a girl who fell through the world, but she returned to her own world whereas Yang found herself somewhere unknown. The colony of Feros welcomed her to the Milkyway Galaxy where she inevitably has her life tangled with the first human Spect
Crossover - Mass Effect & RWBY - Rated: M - English - Adventure/Friendship - Chapters: 11 - Words: 43,458 - Reviews: 24 - Favs: 71 - Follows: 121 - Updated: 2/1 - Published: 7/28/2021 - Liara T'Soni, Shepard, Yang X.L.
Mass Effect: Another Hero by UltimateBengeta
What do you get when you cross Mass Effect & Ben 10 together, stitch several other franchises to them Frankenstein style, harvest it for genetic material, grow it in a tube, & put it on the internet on a fanfiction site? You get this. As a return to form, I'm basically going all in with this one. Join Chase T. Callaghan as he becomes his Universe's last hope against the Reapers!
Crossover - X-overs & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 6,363 - Favs: 4 - Follows: 7 - Updated: 2/1 - Published: 1/24 - Shepard, OC
Where Ghosts and Spectres play by spart1339 reviews
Spectres are feared throughout the galaxy as the right hand of the Council. But, there is another force that is feared more than the Spectres, even by Spectre operatives. They are known as Ghosts, elite covert operatives who are humanity's unseen protectors. Ghost Team Wolf is called in to assist Shepard.
Crossover - Mass Effect & Ghost Recon series - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 31,057 - Reviews: 21 - Favs: 180 - Follows: 256 - Updated: 1/31 - Published: 5/29/2017 - J. Garson, OC
Legend of Korra: Andromeda by James118 reviews
After 600 years of sleeping in dark space, the Ark Hyperion reaches the Andromeda galaxy but the crew discovers that they're lost. But luckily they find a planet near them and send the Pathfinder team to explore the planet they soon discover to be the world of the Avatar. OC x Korra and OC x Kya.
Crossover - Mass Effect & Legend of Korra - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 15,735 - Reviews: 4 - Favs: 23 - Follows: 27 - Updated: 1/31 - Published: 3/19/2021 - [OC, Korra]
Mass Effect: The Hammer of War by IX404 reviews
When fighting against Tyranids on a far flung Civilized World, Primaris Space Marine Marcus Tyrellus expects it to be like every other day in the Imperium of Man. Little does he know is that, he, and a few others, will soon be working to save another universe from destruction at the hands of an ancient foe.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 10,485 - Reviews: 22 - Favs: 57 - Follows: 77 - Updated: 1/31 - Published: 1/27 - Imperial Guard, Space Marines, OC, Shepard
System Alliance: War for Milda by Konradoziom reviews
The remnants of Dark Empire began their siege on the planet Milda. The first real test for the navy and army of the System Alliance. Will they be up to the task or will they fail? And the most important. What will the price of this War be?(Sequel to - System Alliance Rise to Power)
Crossover - Star Wars & Mass Effect - Rated: T - English - Chapters: 3 - Words: 7,267 - Reviews: 3 - Favs: 45 - Follows: 46 - Updated: 1/31 - Published: 1/11
Exitium Eternal by MintyFeet reviews
A turian patrol ship encounters a mass relay unlike any other. The peoples of Citadel space and the Terminus have no idea that beyond it lies one thing: Doom.
Crossover - Doom & Mass Effect - Rated: M - English - Chapters: 15 - Words: 146,369 - Reviews: 65 - Favs: 383 - Follows: 479 - Updated: 1/30 - Published: 6/14/2021
Hunter Effect by Kurogane7 reviews
A/U: After years of fearing the unknown, the Council decides to get back up on the horse to explore the galaxy, sending two frigates through an unopened relay. What they find is a world of wonders and danger; a world of monsters. Rated T for now. Will incorporate elements from all MH games, and ME. Yes, Andromeda too.
Crossover - Mass Effect & Monster Hunter - Rated: T - English - Adventure - Chapters: 10 - Words: 56,777 - Reviews: 175 - Favs: 422 - Follows: 531 - Updated: 1/30 - Published: 7/30/2019
Technophiles by thelordofdarkreunion reviews
Everyone's favorite technophilic groups meet: the Adeptus Mechanicus from Warhammer 40k and the Quarians from Mass Effect. When the Cult Mechanicus learns of the existence of the A.I.'s known as the Geth and Reapers, they decide only one thing can be done, and enlist the help of Quarians to fight once more for their ancestral home. Keelah se'lai and Glory to the Machine God!
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 113,931 - Reviews: 208 - Favs: 395 - Follows: 575 - Updated: 1/29 - Published: 9/24/2021 - Adeptus Mechanicus, Tali'Zorah, Kal'Reegar, Rael'Zorah
Terran Federation: Counterstrike by L4 of the WEST reviews
It's been 8 years since the end of the 2nd Bug war. Humanity is starting to enter its golden age in the galactic stage, with technology no one can replicate, with allies that no one has accepted, and a military capable of taking on any competitor it seems. But that will change, those who employ chains are circling like wolves, and an enemy thought dead return
Crossover - Starship Troopers & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 19 - Words: 140,758 - Reviews: 159 - Favs: 514 - Follows: 555 - Updated: 1/28 - Published: 2/16/2017
Marooned by stevebond1990 reviews
An expedition sponsored by the Citadel Council crashes on planet 4546B - Oneshot for now.
Crossover - Mass Effect & SubNautica - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 2,437 - Reviews: 7 - Favs: 29 - Follows: 32 - Published: 1/28 - Garrus V., Liara T'Soni, Tali'Zorah, Saren A.
Adversor Et Admorsus by PhoinexFire reviews
An ancient battle millennium old will soon begin again, forces of a dark order shall face an Empire of Light. Nations caught in the middle must choose and the future shall be shaped in the stars. Peace shall reign in the end, whether it comes in darkness or arises in light. One way or the other the darkness shall come and face the Terran Star Imperium. Sequel to Britannia Rising.
Crossover - Code Geass & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 71,928 - Reviews: 116 - Favs: 355 - Follows: 470 - Updated: 1/25 - Published: 5/13/2020 - [Lelouch L., C.C.]
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: 30 - Words: 157,623 - Reviews: 403 - Favs: 544 - Follows: 760 - Updated: 1/25 - Published: 4/15/2019 - J. Garson
The Ruby of Cerberus by Scrambleman17 reviews
1 week before classes start again, team RWBY watched a report relaying to a strange light at Vale's industrial district, what they didn't know is that it would lead them to another dimension quite different from their own, and unwillingly trap themselves in this strange dimension. contains liberties with canon from both franchises and inevitable OCs.
Crossover - Mass Effect & RWBY - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 55,576 - Reviews: 23 - Favs: 48 - Follows: 80 - Updated: 1/25 - Published: 9/7/2021 - Miranda L., OC, Team RWBY
A Change in the Game by ShadowofHawk55 reviews
John Shepard has saved the galaxy on three occasions and finally reached a stable point in his life. Now he and his crew are stranded in a strange, and very dangerous, world. How will this change the Song of Ice and Fire?
Crossover - Mass Effect & Game of Thrones - Rated: M - English - Sci-Fi/Adventure - Chapters: 18 - Words: 42,231 - Reviews: 77 - Favs: 100 - Follows: 153 - Updated: 1/24 - Published: 1/28/2021
Mass Effect: Resurrection by RabidRabbids reviews
Shepard's life hadn't gotten any easier. Entire colonies were disappearing, millions of people gone. And that's not even mentioning she'd been dead for two years, but desperate times call for desperate measures, and Shepard is forced to work with Cerberus to find out what's behind the disappearances. Thankfully, she's got monsters backing her up. (Sequel to Monstrum Immortalem)
Crossover - Mass Effect & Guardians of the Galaxy - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 46,101 - Reviews: 4 - Favs: 14 - Follows: 15 - Updated: 1/23 - Published: 6/15/2021
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