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Worlds Divide by Ragnar92 reviews
Gifted with the power to transport himself and a few select companions into worlds beyond his own, what is a man to do? Adam Turner has an answer and that answer is to cheat like hell, have fun and see just what kind of a mess he can make. Multicross.
Crossover - Mechwarrior/Battletech & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 7,364 - Reviews: 8 - Favs: 20 - Follows: 28 - Updated: 4/6 - Published: 3/30
We're Just People by TheFlawlessCowboy reviews
What if Master Chief and Cortana had a child. What if that child was named Jane Shepard. What if the UNSC and Turians didn't have a hostile first-contact. Pre first-contact to (hopefully) post Me-3. Pray for me ya'll this one's ambitious.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 7,281 - Reviews: 7 - Favs: 24 - Follows: 28 - Updated: 2h - Published: 4/6 - Master Chief/John-117, Arbiter, Linda-058, Shepard
Shadows and Dust by AStandupPhilosopher reviews
Shattered, Reborn, Reforged, Remade. The gaze of the Pheonix Force, seeking purpose and understanding, falls upon the Reapers and their harvests. Disgusted by their perverted, farcical 'cycle', it decides to wipe their stain from the multiverse. Needing a perfect host, it waits tens of millennia until, as Hannah Shepard is miscarrying due to eezo radiation, it finds one in her womb
Crossover - X-Men & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 53,890 - Reviews: 109 - Favs: 422 - Follows: 572 - Updated: 10h - Published: 6/25/2023 - Ashley W., Liara T'Soni, Shepard
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: 9 - Words: 38,924 - Reviews: 125 - Favs: 135 - Follows: 194 - Updated: 4/9 - Published: 4/4/2024 - [Master Chief/John-117, Ashley W.] Arbiter, Saren A.
Mobile Suit - Mass Effect: The First Contact War by Mister Smallville reviews
Two worlds collide, neither prepared for the other. The Solar Sphere Congress -successor to the long gone Earth Federation- unwittingly starts a galactic crisis when it makes first contact with a very angry, very trigger happy Turian Hierarchy.
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 31 - Words: 206,059 - Reviews: 372 - Favs: 521 - Follows: 705 - Updated: 4/9 - Published: 8/7/2023
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. 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: 33 - Words: 208,923 - Reviews: 108 - Favs: 63 - Follows: 85 - Updated: 4/8 - Published: 7/7/2024 - Garrus V., Shepard, Osiris, Cayde-6
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.
Crossover - Halo & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 15 - Words: 170,013 - Reviews: 630 - Favs: 1,706 - Follows: 2,238 - Updated: 4/8 - Published: 2/11/2023 - Cortana, Councilor Valern, Councilor Tevos, Councilor Sparatus
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: 34 - Words: 40,395 - Reviews: 16 - Favs: 4 - Follows: 7 - Updated: 4/7 - Published: 12/27/2023 - Mario, Luigi, Daisy, Toad
Clone Effect: Rebels by Twistedstitcher27 reviews
The Republic has fallen and given rise to The Empire. With everything they fought for destroyed, there's little left to hope for. But as soldiers who have pledged their lives to protecting the innocent, evil will not stand unopposed.
Crossover - Star Wars: The Clone Wars & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 27,628 - Reviews: 12 - Favs: 42 - Follows: 58 - Updated: 4/7 - Published: 7/31/2022 - [Captain Rex, Shepard] James V., Jack
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: 10 - Words: 92,962 - Reviews: 124 - Favs: 238 - Follows: 318 - Updated: 4/6 - Published: 10/23/2024 - Master Chief/John-117, Didact, D. Anderson, Shepard
The Tale of Thomas Prometheus by avrjoe reviews
A secret organization of AU traveling immoral researchers kidnap a man from our world and subject him to cruel augmentation experiments. When an unknown force attacks, our protagonist finds himself the only one left alive. Taking the name Thomas Prometheus, he plots to both train himself and gather a team to end the organization behind his kidnapping.
Crossover - X-overs & Mass Effect - Rated: T - English - Adventure - Chapters: 6 - Words: 14,715 - Reviews: 1 - Favs: 4 - Follows: 11 - Updated: 4/6 - Published: 3/4 - Shepard
The Chitinous Nightmare by RedFrontWriter reviews
Setting out into the galaxy for her pilgrimage, Tali'Zorah nar Rayya finds work with a human colony on the moon, LV-426. It is not long however, before she and the other colonists find themselves trapped in a nightmare from which there is increasingly little chance of escape.
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Horror/Sci-Fi - Chapters: 6 - Words: 25,690 - Reviews: 19 - Favs: 13 - Follows: 16 - Updated: 4/5 - Published: 3/2 - Newt, Amanda R., Tali'Zorah, Saren A.
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: 18 - Words: 216,626 - Reviews: 68 - Favs: 43 - Follows: 46 - Updated: 4/4 - Published: 8/11/2024 - [OC, Princess Allura] [Ashley W., Shepard]
Annulled Destiny: Mass Panic Effect by Cheb reviews
Once upon a time, a single-system civilization went gigastructural beyond gigastructural. Veiled, undetectable, it kept researching quietly mindful of the Dark Forest - because what if even its power wasn't enough? Once upon a time, a Turian patrol cruiser crawled into a bush thinking it caught a rabbit. Unaware it was a startled rhino.
Crossover - Mass Effect & Stellaris - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 6,216 - Reviews: 4 - Favs: 7 - Follows: 20 - Published: 4/4
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: 46 - Words: 267,048 - Reviews: 290 - Favs: 320 - Follows: 384 - Updated: 4/4 - Published: 4/26/2024 - Liara T'Soni, Tali'Zorah, Miranda L., Shepard
Merged Stars by Lord of the Wall reviews
Through unknown forces of immense and unimaginable power, two galaxies merge and superpowers of both galaxies is forced to deal with the reality of the broken status quo. Jane Shepard, first human Spectre, finds herself in the center of the events to come. This is a 3-way crossover between the forementioned ME and Halo universes as well as Stargate. Knowledge of all are not needed.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Family - Chapters: 4 - Words: 24,049 - Reviews: 25 - Favs: 102 - Follows: 130 - Updated: 4/4 - Published: 3/20 - Master Chief/John-117, T. Hood, Atriox, 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: 21 - Words: 52,306 - Reviews: 59 - Favs: 145 - Follows: 235 - Updated: 4/3 - Published: 8/27/2024 - [Lone Wanderer, Tali'Zorah]
Let There Be Light (Rewrite) by Phorus Aedelmaer reviews
As old stars flicker and ancient powers stir, a spark ignites between two great civilizations—one forged in faith and fire, the other in diplomacy and design. In the void between worlds, first contact becomes a crucible. What emerges will reshape the fate of the galaxy.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 16,233 - Reviews: 57 - Favs: 131 - Follows: 179 - Updated: 4/2 - Published: 3/22 - The Emperor, Primarch/s
Mass Effect Wasteland by jhcola117 reviews
The citadel, along with the rest of the race, planet, and fleets, will soon be taken from their home galaxy by a chaos god and dumped into a new universe, specifically in the Fallout universe.
Crossover - Fallout & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 35,955 - Reviews: 12 - Favs: 36 - Follows: 44 - Updated: 4/1 - Published: 3/27 - Garrus V., Liara T'Soni, U. Wrex, Tali'Zorah
Not in one's own plate by Sicht reviews
Rerun. Resurrected on foreign shores, V finds the world to be much the same, if not identical. So why does it feel like something's amiss?
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 19,862 - Reviews: 6 - Favs: 13 - Follows: 16 - Updated: 4/1 - Published: 2/21 - V
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: 20 - Words: 116,178 - Reviews: 479 - Favs: 655 - Follows: 908 - Updated: 3/30 - Published: 2/6/2023
Whitley Shepard: The Commander's Brother by Hadrian Kallig reviews
Whitley Schnee couldn't take it anymore. The soul crushing loneliness was too much for the boy, and he ended up taking his life. However, in a twist of fate, an amnesiac Whitley ends up being found by Hannah Shepard. Years later, as a fresh faced engineering graduate, Whitley Shepard decides to join his sister's mission to hunt down Saren.
Crossover - Mass Effect & RWBY - Rated: M - English - Romance/Family - Chapters: 21 - Words: 52,613 - Reviews: 157 - Favs: 426 - Follows: 488 - Updated: 3/29 - Published: 4/20/2021 - [Garrus V., Shepard] [Whitley S., Tali'Zorah]
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: 16 - Words: 117,986 - Reviews: 124 - Favs: 118 - Follows: 133 - Updated: 3/28 - Published: 9/21/2016 - OC - Complete
Nine Tails Tales :Kyubi Effect by Ninja65 reviews
Naruto has lived an interesting life. This is the story of his life after his original one. Full of adventures and technology Naruto couldn't have even fathomed. Will he find himself in this new life he has to start. Will he find love even ... Heck yea he will. Naruto x Harem SlightAU Naruto
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 9 - Words: 39,842 - Reviews: 50 - Favs: 258 - Follows: 332 - Updated: 3/28 - Published: 10/3/2021 - Naruto U., Hinata H., Liara T'Soni, Tali'Zorah
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: 55 - Words: 1,165,058 - Reviews: 992 - Favs: 666 - Follows: 737 - Updated: 3/27 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard - Complete
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