Mass Effect Crossovers
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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: 2 - Words: 6,799 - Reviews: 19 - Favs: 76 - Follows: 132 - Updated: 11/17 - Published: 10/30 - [Darth Vader, Tali'Zorah] Garrus V., 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: 4 - Words: 9,040 - Reviews: 12 - Favs: 58 - Follows: 79 - Updated: 11/16 - Published: 10/28
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: 9 - Words: 109,123 - Reviews: 43 - Favs: 34 - Follows: 36 - Updated: 11/16 - Published: 8/11 - [OC, Princess Allura] [Ashley W., Shepard]
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: 32 - Words: 177,364 - Reviews: 214 - Favs: 264 - Follows: 316 - Updated: 11/15 - Published: 4/26 - Liara T'Soni, Tali'Zorah, Miranda L., Shepard
Mass Effect: Augment by j30052776 reviews
Jon Noonien-Singh, now Sheppard, continues the fight against Tyrants unlike any seen in this cycle. They have changed, but war never does.
Crossover - Fallout & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 16 - Words: 87,896 - Reviews: 11 - Favs: 27 - Follows: 40 - Updated: 11/15 - Published: 9/19
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: 4 - Words: 7,559 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 11/14 - Published: 11/6
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: 6 - Words: 5,649 - Reviews: 10 - Favs: 39 - Follows: 48 - Updated: 11/13 - Published: 10/31 - Izuku M., Toshinori Y./All Might, Nezu/The Principal
Expanded sky by mantale3 reviews
The alliance encounter the aliens of the Milky Way Galaxy.
Crossover - Firefly & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 1,077 - Reviews: 4 - Favs: 5 - Follows: 7 - Published: 11/12
Commander Shepherd Vs The Multiverse by Mace sheperd reviews
Commander Shepherd, The Butcher Of Torfan is already one of the strongest humans. So what happens when he is given the power of The Gamer and sent on a quest across the multiverse? Look out Multiverse, here comes The Butcher Of Torfan and he will slaughter all who defy him.
Crossover - Mass Effect & Manhwa/Korean Comics/만화 - Rated: M - English - Sci-Fi/Romance - Chapters: 4 - Words: 37,370 - Reviews: 3 - Favs: 14 - Follows: 19 - Updated: 11/12 - Published: 5/12 - Tali'Zorah, Shepard
Mass-Effect: Piggy Au by yanw81 reviews
Mass Effect Au where humans are replaced by piggy. For it not too take to much time, I'll make every chapter short. Better than leaving it unfinished, right?
Crossover - Mass Effect & Roblox - Rated: M - English - Chapters: 3 - Words: 2,726 - Reviews: 1 - Published: 11/12 - Garrus V., Liara T'Soni, Tali'Zorah, Councilor Tevos
A Whole New World by Spartan III Commando reviews
Noble six's story did not end on Reach, he escaped the doomed planet after saving the Pillar of Autumn, and he and 117 fought across each Halo, until an incident sent him to a whole new world. And he is wholly unprepared for the journey in store.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 14 - Words: 63,078 - Reviews: 88 - Favs: 446 - Follows: 632 - Updated: 11/12 - Published: 7/7/2016 - SPARTAN-B312/Noble Six
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: 2 - Words: 4,222 - Reviews: 4 - Favs: 10 - Follows: 17 - Updated: 11/11 - Published: 11/8
Bite: ME by FriTik reviews
Sometimes a quarian's pilgrimage will take them into deep space. Most return from these journeys but there are many who do not. In such cases search teams may be sent to find these lost pilgrims and take them home. But this lost pilgrim found Copper 9, and the metal nightmares that call it home.
Crossover - Mass Effect & Murder Drones - Rated: M - English - Horror/Sci-Fi - Chapters: 12 - Words: 84,289 - Reviews: 84 - Favs: 87 - Follows: 120 - Updated: 11/10 - Published: 9/8 - J
Mario Effect by OroDeus reviews
Haunted by visions of impending doom, Mario summons his ragtag team of explorers to adventure. Their journey across the stars will uncover the koopa king's horrible plot to take over the galaxy.
Crossover - Mario & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 9,813 - Reviews: 5 - Favs: 3 - Follows: 5 - Updated: 11/10 - Published: 12/27/2023 - Mario, Luigi, Daisy, Toad
Mass Effect: Spider and Wolf by Night Shadow76 reviews
The Spider-verse has been saved, the Inheritors had been defeated, and all is well. Well, except for one Spider. With his home gone and destroyed, he has no where to go, but with aid from Madam Web and The Other, he will have a new home, once that's on the edge of destruction. Now if only he could make sense of how Asari breeding works. Based loosely on the Inheritors storyline.
Crossover - Spider-Man & Mass Effect - Rated: M - English - Adventure - Chapters: 10 - Words: 63,166 - Reviews: 49 - Favs: 64 - Follows: 101 - Updated: 11/10 - Published: 6/12 - OC
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: 29 - Favs: 60 - Follows: 75 - Updated: 11/7 - Published: 8/4 - Admiral Hackett, Shepard, OC, Fubuki
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: 550 - Favs: 1,169 - Follows: 1,637 - 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: 16 - Favs: 53 - Follows: 71 - Updated: 11/6 - Published: 8/26/2023 - [J. Reyes/B. Beetle, Tali'Zorah] 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: 110 - Favs: 112 - Follows: 127 - 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: 107 - Favs: 109 - Follows: 160 - Updated: 11/4 - Published: 4/4 - [Master Chief/John-117, Ashley W.] Arbiter, Saren A.
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: 85 - Favs: 103 - Follows: 130 - Updated: 11/3 - Published: 11/26/2023 - Sonic, Tails, OC
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: 83 - Follows: 99 - Updated: 10/31 - Published: 1/3/2023 - Liara T'Soni, Miranda L., Shepard
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: 669 - Favs: 2,381 - Follows: 2,473 - Updated: 10/30 - Published: 2/2/2014 - Ranma, Kasumi G., Tali'Zorah, Samara
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: 128 - Follows: 169 - 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: 152 - Favs: 151 - Follows: 218 - Updated: 10/29 - Published: 9/8
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