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The Hero of Torfan and The Demon of Empire City by Mad Leprachaun
She was an orphaned colonist turned soldier, and he was a bike courier turned Conduit. Both suffered hardships. Faced down insurmountable odds and won. Now, the weight of the galaxy rested on their shoulders. They were made strong, ruthless, all so when they face their destiny they can make the impossible decisions, all for the common good. The galaxy, depended on it.
Crossover - Mass Effect & inFAMOUS - Rated: M - English - Chapters: 1 - Words: 7,543 - Favs: 3 - Follows: 4 - Published: 5h
The Wayfarer by Umbral Choir reviews
In the twilight of the universe, the Ihan-rii, a forgotten sect of Protoss travel to another reality to escape the hounds of the void. Xiltar, the last member of the umbral choir will guide his people into this world, only to find that he traded one war of annihilation for another.
Crossover - StarCraft & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 28 - Words: 62,862 - Reviews: 30 - Favs: 62 - Follows: 83 - Updated: 8h - Published: 2/5
Enduring the Flames of War by Masterdude21 reviews
A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 48 - Words: 711,437 - Reviews: 2471 - Favs: 3,773 - Follows: 4,596 - Updated: 15h - Published: 11/30/2015 - Master Chief/John-117, OC, Shepard
NieR: Ghosts of a bygone Era by The Great Potato Pug reviews
After the fall of the Tower, androids are finally united and ready to explore space in search of friendly species, what they found was a galactic community of aliens with deeply rooted hatred for AI. Will the galactic community make an exception for the Androids? or will they indulge in petty wars while another threat looms on the horizon? Citadel vs Reapers vs Humans.
Crossover - Mass Effect & Nier - Rated: T - English - Sci-Fi/Supernatural - Chapters: 5 - Words: 28,314 - Reviews: 28 - Favs: 107 - Follows: 164 - Updated: 20h - Published: 10/16/2022 - 2B, 9S, YoRHa Commander
The Sins of our Fathers by MarkerMagnum reviews
Unknown to the Citadel Council, the Human-Covenant war nears its vicious end. Miranda Keyes is seconds too slow. Delta Halo fires, leaving UNSC space as a lifeless snapshot in time. The Citadel must morn the loss of a civilization they never knew. Crossposted by myself, Jabber the very wocky on Ao3.
Crossover - Halo & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 5 - Words: 40,012 - Reviews: 162 - Favs: 433 - Follows: 627 - Updated: 23h - Published: 2/11 - Master Chief/John-117, Miranda K., Cortana
Héroe De Una Galaxia Distante by fitoxi reviews
'Retornador'; El Quirk que envio a Izuku a otro mundo, para luego regresarlo de vuelta, conservando todos los poderes que había ganado. Lamentablemente, nadie le creera si intenta revelar el origen de sus otros Quirks, 'Bioticos/Omniherramienta' y menos se creeran el cuento de que fue el más grande héroe de una galaxia. [Izuku OOC/Inicialmente, Vigilante/Harem ( Solo 2 parejas)]
Crossover - Mass Effect & My Hero Academia/僕のヒーローアカデミア - Rated: T - Spanish - Adventure/Romance - Chapters: 7 - Words: 57,477 - Reviews: 3 - Favs: 17 - Follows: 17 - Updated: 3/28 - Published: 3/3/2022 - [Liara T'Soni, Himiko Toga, Tali'Zorah, Izuku M.]
The Galaxy's last shinobi by Kfbanime87 reviews
As for summary. His planet and people were gone. Destroyed by the reapers. But he survived. Now thousands of years in the future, Naruto must navigate a galaxy unfamiliar to him along with his ragtag crew of friends. All while he makes a name for himself and makes plans to destroy the reapers when they return
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure/Humor - Chapters: 1 - Words: 9,655 - Reviews: 40 - Favs: 261 - Follows: 275 - Published: 3/27 - Naruto U., Shepard
Azure Resilience by MarredTales reviews
New planets were always to be considered dangerous and for this asari huntress it was no different. Surviving the reaper war without knowledge of the outcome, she must use her abilities to her advantage to ensure her survival and find herself a place amongst the world. It was just bad luck that she arrived during a blight.
Crossover - Mass Effect & Dragon Age - Rated: M - English - Fantasy/Adventure - Chapters: 5 - Words: 16,230 - Reviews: 5 - Favs: 9 - Follows: 22 - Updated: 3/27 - Published: 1/30 - OC, Cailan T.
Mass Effect: A Guardsman's Tale by IX404 reviews
There are many tales of extraordinary heroes within the Imperium of Man, but every once in a while, one finds one that is unique among them all. This is the tale of a Guardsman that not only upheld his duty to the Emperor of Mankind, but also enabled the survival of a distant, and alien, galaxy.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 2 - Words: 11,860 - Reviews: 14 - Favs: 88 - Follows: 130 - Updated: 3/27 - Published: 3/18 - Imperial Guard, OC, Shepard
Never Fade Away by Ideas-Guy reviews
Lives are cheap and money is everything. That's how the orphanage made its money - lending out children for human expirementation. L is an old man at the age of fifteen and he knows he doesn't have much time left. All that mattered was getting out, but he soon learns that the world is a lot bigger than Night City. And that the galaxy is a lot bigger than Earth.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Adventure/Drama - Chapters: 16 - Words: 85,243 - Reviews: 111 - Favs: 520 - Follows: 614 - Updated: 3/27 - Published: 10/31/2022 - Shepard, V
Stellar Effect Codex by Brandon Storm reviews
A Codex exploring the History and Lore of the Stellar Effect Universe
Crossover - Mass Effect & Stellaris - Rated: T - English - Sci-Fi - Chapters: 12 - Words: 27,843 - Reviews: 20 - Favs: 33 - Follows: 30 - Updated: 3/26 - Published: 8/7/2022
Stellar Effect by Brandon Storm reviews
The Reapers trap was perfect in its design. Their execution refined over billions of years, their technology refined since the dawn of time itself. Right up until Someone Broke the Trap!
Crossover - Mass Effect & Stellaris - Rated: T - English - Adventure/Sci-Fi - Chapters: 34 - Words: 151,334 - Reviews: 172 - Favs: 264 - Follows: 374 - Updated: 3/26 - Published: 8/7/2022
Feared Reverence by ayab reviews
376 years after the battle between heaven and earth. Two humans have achieved godhood. Using their power to guide humanity to the stars. How will the galaxy react to see a species so advanced yet so primitive? So powerful yet not wanting to use their power. They are what the citadel race aspires to be and hates because of their jealousy.
Crossover - Naruto & Mass Effect - Rated: T - English - Fantasy/Sci-Fi - Chapters: 3 - Words: 11,496 - Reviews: 28 - Favs: 124 - Follows: 175 - Updated: 3/25 - Published: 1/14
RWBY Effect 2: Rebirth by Owriush reviews
A year and a half has gone by, since the attack on the Citadel. Team RWBY and the crew of the Normandy suffer a tragedy. Ending in the loss of many lives. Awakened now a few years later. The girls of team RWBY, Elizabeth Shepard and their new allies must fight against a threat. One even more dangerous then the last. This is their Rebirth into a new world of wonders and insanity.
Crossover - Mass Effect & RWBY - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 65,997 - Reviews: 6 - Favs: 25 - Follows: 29 - Updated: 3/25 - Published: 8/10/2022
Control:Invation! by Maximo A. Cozzetti reviews
The Board is the regent entity of the Bureau, and possibly one of the most powerful to exist. But it is not the only one. There's always something worse out there. It will be up to shepard and the FBC director to stop them.
Crossover - Control & Mass Effect - Rated: K+ - English - Adventure/Supernatural - Chapters: 2 - Words: 4,434 - Reviews: 1 - Favs: 5 - Follows: 4 - Updated: 3/24 - Published: 1/30 - Jessie F., Shepard
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: 16 - Words: 77,935 - Reviews: 117 - Favs: 267 - Follows: 340 - Updated: 3/24 - Published: 1/27/2022 - Imperial Guard, Space Marines, OC, Shepard - Complete
The Last Shinobi by derTraeumer reviews
The numbers of shinobi drastically decreased over the past generations till near extinction. People stopped using chakra as their source of power and focused on developing a modern society with the help of technology until they've achieved space-flight and the Reapers harvested their civilization... except one. Follow the ninja way of the last living shinobi Akane Uchiha.
Crossover - Naruto & Mass Effect - Rated: M - English - Tragedy/Mystery - Chapters: 37 - Words: 167,838 - Reviews: 51 - Favs: 161 - Follows: 210 - Updated: 3/24 - Published: 7/4/2019 - OC, Shepard
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: 20 - Words: 87,258 - Reviews: 39 - Favs: 77 - Follows: 99 - Updated: 3/23 - Published: 9/7/2021 - Miranda L., OC, Team RWBY
Garden of Conquest by SirBearington reviews
Being a planet can be quite challenging especially when they live in the most hostile environment known to man. Everything could technically end them. From other planets, wandering stars or even black holes. There's a never ending list of things that could ruin their day. At least they have tentacles to protect themselves. What do you mean planets aren't supposed to have tentacle?
Crossover - Cartoon X-overs & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 8 - Words: 13,518 - Reviews: 12 - Favs: 66 - Follows: 87 - Updated: 3/22 - Published: 3/1
Place of Our Legacy by firstprime1230 reviews
Earth has been overrun by the forces of the Ori. Beaten, demoralized and on the run in the Ancient city of Atlantis the survivors of Earth make a desperate gamble to save what little they have left. Arriving in a galaxy so different from their own, can they uphold the legacy left to them by the races that came before? And save a galaxy doomed to a suffer a fate worse than death.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 120,748 - Reviews: 349 - Favs: 891 - Follows: 1,241 - Updated: 3/22 - Published: 4/30/2020
A Metal Guardian by JawsOnYou67 reviews
The Universal Century, only a few short years ago humanity nearly eradicated itself to the tune of a madman, now it spreads, free of most of its old hatred. Yet the galaxy won't let them rest. Terminal prepares the twin Queens as best it can. (Gundam x Mass Effect)
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 20 - Words: 100,798 - Reviews: 122 - Favs: 322 - Follows: 404 - Updated: 3/22 - Published: 8/18/2020 - Amuro R., Char A., Tali'Zorah, Admiral Hackett
Mass Effect: Maelstrom Siblings by Leaf Ranger reviews
When faced with protecting an entire galactic community, it's always good to have friends and squad-mates at your side. But it's even better when you've got your brother with you as well. Get ready galaxy, because here come Alicia and Naruto Shepard, the Maelstrom Siblings. Rated M for swearing, action, gore, and implied sexual situations.
Crossover - Naruto & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 26 - Words: 359,577 - Reviews: 524 - Favs: 1,148 - Follows: 1,336 - Updated: 3/21 - Published: 3/31/2016 - [Naruto U., Tali'Zorah] [Liara T'Soni, Shepard]
Boundaries Displaced by Hirowolfgang reviews
When a dormant Mass Effect is activated by Battarian pirates, it is affected by a mysterious phenomenon that displaces the Dreikruz en route to their final confrontation with the Quaestors. Now stranded Mitsuba and the Dreikruz have to put differences aside in order to work together with the Normandy SR-2 against the Collectors and the following Reaper war. For better or worse.
Crossover - Mass Effect & Super Robot Wars - Rated: M - English - Sci-Fi/Drama - Chapters: 5 - Words: 24,434 - Reviews: 8 - Favs: 15 - Follows: 24 - Updated: 3/21 - Published: 2/28 - Garrus V., Shepard
The Return of Hope by Masso 2010 reviews
Commander Shepard is dead. Knowing that they needed someone to complete his work fighting against the Reapers, The Illusive Man set his sights on the next best thing, Humanities greatest hero. The only problem is that Superman gave up on hero work a long time ago but can the threat of galactic extinction be enough for him to once again step into the light.
Crossover - Superman & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 23 - Words: 198,532 - Reviews: 290 - Favs: 621 - Follows: 728 - Updated: 3/20 - Published: 7/10/2020 - Clark K./Kal-El/Superman, Miranda L.
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.
Crossover - Halo & Mass Effect - Rated: T - English - Horror/Sci-Fi - Chapters: 41 - Words: 103,318 - Reviews: 212 - Favs: 178 - Follows: 195 - Updated: 3/17 - Published: 1/15/2015 - Gravemind - Complete
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