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Quirk Effect by ThatOnePsycho reviews
When the Omega Relay suddenly changes where it's aiming, everyone in the Terminus Systems raced to stake their prize on whatever new systems it introduced. Blood Pack, Blue Sun, Eclipse- And of course, the small mercenary group without a name
Crossover - Mass Effect & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 4,691 - Reviews: 8 - Favs: 27 - Follows: 38 - Updated: 5h - Published: 10/31 - Izuku M., Toshinori Y./All Might, Nezu/The Principal
The Dead Zone by Two-Eyed Charlie reviews
Commander Shepard was one of the most promising marines in Alliance history. That all changed on Eden Prime, when contact with a Prothean Beacon left him in a coma for six months. Now he can see things, things that can only happen in the future. Things like a Spectre and a politician unleashing something horrifying on the galaxy. A fusion fic of Mass Effect and The Dead Zone.
Crossover - Mass Effect & Dead Zone - Rated: M - English - Suspense/Sci-Fi - Chapters: 6 - Words: 61,999 - Reviews: 4 - Favs: 7 - Follows: 6 - Updated: 12h - Published: 10/5 - [Shepard, T. Vasir] D. Anderson, Barla V.
Worlds Always Fall Eventually by ReligiousZealot reviews
In the deep unexplored regions of the furthest outreaches of the traverse. Worlds, completely subsumed in thick, opaque, purple, organic biofilm are periodically found. Within moments of finishing 'special research operations,' everything goes dark. Worlds fall, people despair. Everyone beware, the Zerg swarm is here.
Crossover - StarCraft & Mass Effect - Rated: M - English - Horror/Sci-Fi - Chapters: 1 - Words: 2,602 - Reviews: 2 - Favs: 6 - Follows: 12 - Published: 11/8
Fall of the Citadel (reboot) by FujiNarou reviews
Many years have passed since triumph's crimson dawn. Though hope's radiant light now gilds our path, sorrow's shadow still lingers, cast by those who sacrificed all for this victory. Yet, what were our trials compared to the innocent's plight? Our morals, mere whispers against the arrogant's tempest? Our efforts, sacrifices, lost in the complacent's slumber?
Crossover - Mass Effect & Kantai Collection - Rated: T - English - Sci-Fi/Horror - Chapters: 12 - Words: 72,999 - Reviews: 27 - Favs: 58 - Follows: 72 - Updated: 11/7 - Published: 8/4 - Admiral Hackett, Shepard, OC, Fubuki
Garlet and Shepard almost get a lobotomy and they kidnap Mr Beast by Ocean Pizza99 reviews
Shepard and Garlet wake up in a doctor room where they are about to get a lobotomy and compete in a Mr. beast challenge
Crossover - Mass Effect & Witcher - Rated: T - English - Chapters: 2 - Words: 3,687 - Reviews: 1 - Updated: 11/7 - Published: 11/6
First Contact with the Angels by AntrosAscended reviews
Horus rebelled against the machinations of Chaos and sacrificed himself for the Galaxy; Lorgar's Rebellion finally seems to have become a distant memory for the Imperium. On the 30th Anniversary of the Warmaster's death, a new swath of space would be found by accident, setting new possibilities or new failures in motion. I'm Antros, And I'm Back to remake my first Story
Crossover - Warhammer & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 4 - Words: 24,093 - Reviews: 81 - Favs: 293 - Follows: 395 - Updated: 11/7 - Published: 1/10 - Space Marines, Primarch/s, Councilor Tevos, Councilor Sparatus
The Exiles:A New Power by Johnnieboy11 reviews
The beginning of the Battle For Earth signaled the start of the final, bloodiest campaign of the Human-Covenant War. Hastily, a plan is put into motion and an Ark Fleet, composed of a dozen Phoenix-class vessels and their escorts, makes the jump out of system. Either interference, or malfunction, causes their arrival to a new Galaxy, where new threats lurk just around the corner.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 32 - Words: 130,420 - Reviews: 547 - Favs: 1,150 - Follows: 1,608 - Updated: 11/7 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
The Scarlet Scarab by Fire Wolf 2132 reviews
Having just come home from college, Jaime hoped to live a good life that he could share with his family. But an unexpected gift has derailed his dreams, and given him a destiny that will alter the fate of the galaxy.
Crossover - DC Superheroes & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 7,788 - Reviews: 14 - Favs: 50 - Follows: 68 - Updated: 11/6 - Published: 8/26/2023 - [J. Reyes/B. Beetle, Tali'Zorah] Shepard
The Rook by Twisted Fate MK 2 reviews
On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 32 - Words: 115,745 - Reviews: 200 - Favs: 657 - Follows: 943 - Updated: 11/6 - Published: 7/8/2022 - Rookie, Shepard
Buzzard Buccaneer Radio by General Rage reviews
Boz the Buzzard hosts this pirate radio station, beaming out music to the Normandy, Fallen Serpent, Crusty Chorka and Ascendant Justice non-stop. BBR has only one mission, to keep Rock n Roll alive in the dark void of outer space. A companion story to "Remnants" that shows what happens while Shepard is off playing hero. Part of the Wormhole Chronicles Saga.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Sci-Fi - Chapters: 13 - Words: 103,203 - Reviews: 109 - Favs: 110 - Follows: 125 - Updated: 11/5 - Published: 9/21/2016 - OC
Book One: Harvest by Believer218 reviews
The year is 2583. Humanity stands strong, even twenty-six years after a disastrous first contact. But it seems that wherever they go, war will follow. And this war will grip the galaxy like no other. The first adventure of Mass Effect: The Reclaimer Saga. Rated M for graphic depictions of violence.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 35,684 - Reviews: 104 - Favs: 104 - Follows: 155 - Updated: 11/4 - Published: 4/4 - [Master Chief/John-117, Ashley W.] Arbiter, Saren A.
Galactic Conflicts: Tales of First Contact by TheDoctor1998 reviews
Humanity and its allies have stood strong after the Great War with the Covenant. Follow the Systems Alliance as it goes through a first contact nearly as disastrous as the one that lead to the Great War.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 11 - Words: 51,005 - Reviews: 277 - Favs: 511 - Follows: 715 - Updated: 11/3 - Published: 2/6/2023
Remnants by General Rage reviews
From Halo's ashes, a mismatched Alliance is born. UNSC soldiers now serve alongside both Batarian deserters and shifty Jackal Space Pirates. Now Shepard and Master Chief have to keep these strange bedfellows from killing one another before they can stop an emergent new threat to the galaxy. The Next Swashbuckling Chapter of the Wormhole Chronicles.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 49 - Words: 1,030,698 - Reviews: 917 - Favs: 638 - Follows: 712 - Updated: 11/3 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
Mass Democracy by Xxtyjuxx reviews
The galactic war has raged for almost a year, desperate to figure it out and advantage against Democracy enemies, Super Earth sends a expansion fleet to the untamed regions hoping for a solution, what started as an exploration effort escalated into another front, now Super Earth must defend itself for this new menace
Crossover - Mass Effect & Helldivers - Rated: M - English - Sci-Fi/Horror - Chapters: 3 - Words: 6,531 - Reviews: 11 - Favs: 46 - Follows: 61 - Updated: 11/3 - Published: 10/28
Operation ECLIPSE by HelenTheMoon reviews
Pre-ME1 post-Frontiers Xover, in which the Sonic version of Earth replaces ME Earth. A Batarian planet suddenly turns invisible, and things only get weirder from there. That poor STG agent won't know what hit him, that's for sure. And neither will the rest of the galaxy - once Sonic and Eggman get there. Crossposted on Spacebattles and AO3. Rating may change. NOW ON TV TROPES!
Crossover - Sonic the Hedgehog & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 14 - Words: 145,553 - Reviews: 82 - Favs: 101 - Follows: 126 - Updated: 11/3 - Published: 11/26/2023 - Sonic, Tails, OC
The Reclaimer Wars:The Reaper Crisis by Johnnieboy11 reviews
Six months prior to the worst crisis the normal Milky Way would face, Commander Shepard hunts the Collectors abducting human colonists in the Terminus Systems when she comes upon a terrifying new sight:Three Intergalactic fleets arrayed against each-other and her sole Frigate. Three new factions, one seeking a home and two seeking answers, all linked by the Star Roads.
Crossover - Game X-overs & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 31 - Words: 172,092 - Reviews: 176 - Favs: 257 - Follows: 314 - Updated: 11/2 - Published: 4/26 - Liara T'Soni, Tali'Zorah, Miranda L., Shepard
Into the Howling Dark by long night of solace reviews
Hundreds of millions of years ago, Humanity, Forerunners and the SanShyuum, the tier-1 species protected the galaxy. But the peace never lasted as the threat of flood and the reapers brought the Milkyway to the edge of extinction. Now the warriors of the past needs to guide the future galaxy and stop history from repeating itself.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 16,465 - Reviews: 16 - Favs: 75 - Follows: 91 - Updated: 11/2 - Published: 10/23 - Master Chief/John-117, Didact, D. Anderson, Shepard
Quintessence Effect Collective Rebirth by EvaShinobiKaiserKnight reviews
Two Years have passed since the Paladins and the Normandy had suffered the tragedy of loss. A year since the Altean's have begun to return to the galaxy after the second battle of the Citadel. But the Reapers are not done as the Paladins and a revived John Shepard must gather allies to face this threat. This is their Rebirth into a new world of wonders as Heroes. NOW FORM VOLTRON!
Crossover - Mass Effect & Voltron: Legendary Defender - Rated: M - English - Sci-Fi/Family - Chapters: 8 - Words: 93,954 - Reviews: 40 - Favs: 33 - Follows: 35 - Updated: 11/1 - Published: 8/11 - [OC, Princess Allura] [Ashley W., Shepard]
Ark effect Remake by EclipsePheniox reviews
After the attack on the Collector base failed, the Normandy SR-2 found themselves on Ark a planet roaming with primordial beasts. But as their Commander returns, things become more complex as they learn about Ark and the reason they are there and the purpose of the world.
Crossover - Mass Effect & ARK: Survival Evolved - Rated: T - English - Adventure/Sci-Fi - Chapters: 15 - Words: 43,715 - Reviews: 17 - Favs: 82 - Follows: 98 - Updated: 10/31 - Published: 1/3/2023 - Liara T'Soni, Miranda L., Shepard
On the Nature of Daylight by Ragingceliac reviews
Tali never expected to be swept up into saving the galaxy; she never expected to meet someone like Commander Shepard, Hero of the Citadel; she never expected to be working for Cerberus. But the thing that would end up surprising her the most? The weirdo on the Normandy who carried around radioactive slag in his pocket.
Crossover - Fallout & Mass Effect - Rated: M - English - Angst/Romance - Chapters: 12 - Words: 31,337 - Reviews: 23 - Favs: 75 - Follows: 129 - Updated: 10/31 - Published: 8/27 - [Lone Wanderer, Tali'Zorah]
The Effect of a Horse and a Dragon by Vimesenthusiast reviews
A different decision right after being cursed leads to a very different Ranma showing up in Nerima. When he goes after Herb to beat some sense into him Ryoga takes the chance to get rid of his rival once and for all, sending both combatants to the Mass Effect universe. What changes will two martial artists and their use of ki have on the coming conflict? RanmaXTaliXKasumiXSama
Crossover - Ranma & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 11 - Words: 229,657 - Reviews: 672 - Favs: 2,375 - Follows: 2,468 - Updated: 10/30 - Published: 2/2/2014 - Ranma, Kasumi G., Tali'Zorah, Samara
Mass Effect: Become Legend by Redgrave21 reviews
More than five years after the Reaper War, Jane Shepard had lost her life for her galaxy, while Garrus Vakarian struggles to move on from the loss of the love of his life. But when Garrus begins to suffer strange dreams, the Normandy crew are thrust into a conflict that has lasted since the beginning of time. All the while a strange voice begins to tempt Garrus with… Salvation.
Crossover - Destiny & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 15 - Words: 88,908 - Reviews: 50 - Favs: 40 - Follows: 61 - Updated: 10/30 - Published: 7/7 - Garrus V., Shepard, Osiris, Cayde-6
Mass Effect: Legend of Vader by Gaming Lichdom reviews
Darth Vader attempts to resurrect his deceased wife through an ancient ritual, but is pulled into the machine and transported to an unknown planet. On his quest to return home, he comes across a Quarian woman named Tali'Zorah, who just so happens to have information about a rogue Spectre Named Saren. The two form a strange duo as they venture on a quest to save the galaxy.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 3,763 - Reviews: 10 - Favs: 37 - Follows: 67 - Published: 10/30 - [Darth Vader, Tali'Zorah] Garrus V., Shepard
The Rising Sun by Wolfspane00 reviews
Hidden away by his people for 50,000 years, Naruto Uzumaki, the last shinobi, reawakens to a new galaxy. With threats, new and old, on the horizon how will the galaxy react to this maelstrom of a new player? Inspired by The Galaxy's Last Shinobi by Kfbanime87. Harem.
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 2 - Words: 3,792 - Reviews: 14 - Favs: 118 - Follows: 153 - Updated: 10/30 - Published: 10/11 - Naruto U., Liara T'Soni, Jack
Echoes of the Forerunners: A Covenant Unveiled by Phorus Aedelmaer reviews
The Covenant War erupts with far-reaching consequences across two universes. As the UNSC struggles to survive, they form an unexpected alliance with the species of the Citadel Council. Creative liberties will be taken with the timelines, events, and characters of both franchises.
Crossover - Halo & Mass Effect - Rated: K+ - English - Sci-Fi - Chapters: 16 - Words: 33,119 - Reviews: 151 - Favs: 140 - Follows: 204 - Updated: 10/29 - Published: 9/8
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