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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: 22 - Words: 73,790 - Reviews: 167 - Favs: 297 - Follows: 410 - Updated: 10/21 - Published: 1/14
The Final Horizon by Touhoufanatic reviews
Taking a different route of technology, humanity ascends to the stars upon Sails of light with hearts full of hope and adventure. the second Age of Exploration has truly begun, and nothing, not aliens, ancient space squids, or genocidal robots will stop humanity, and perhaps its greatest legend of the seas, from finding the Horizon once more! Rated T for now.
Crossover - Pirates of the Caribbean & Mass Effect - Rated: T - English - Adventure - Chapters: 5 - Words: 15,881 - Reviews: 63 - Favs: 318 - Follows: 447 - Updated: 10/20 - Published: 7/31/2022 - Capt. Jack Sparrow
When magic decides one war isn't enough by Alykto reviews
Following Voldemort's return after the Triwizard Tournament, Dumbledore realized he couldn't possibly handle the incoming conflict on his own. He needed a general to prepare the war. His summoning ritual then dragged Commandant Shepard, Specter and N7 Alliance Marine fighting the Reapers to 12 Square Grimmault.
Crossover - Harry Potter & Mass Effect - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 7 - Words: 11,657 - Reviews: 13 - Favs: 24 - Follows: 30 - Updated: 10/19 - Published: 6/29 - Harry P., Ron W., Hermione G., Shepard
Mass Effect: Reaper T8 by ArcherEdgeBond reviews
A Reaper threat and three different Sheppards. how will the universe handle this. follow Geoff, John, and Jane Shepard as they fight the reapers for survival and fight a new threat soon to take hold.(this was a challenge given to me by my friend the unforgivenone19901. if you have not checked out his work please do) (Disclaimer: I do not own the rights, this is purely fanmade)
Crossover - Terminator & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 29,958 - Reviews: 1 - Favs: 11 - Follows: 10 - Updated: 10/17 - Published: 2/25/2020
The Prelude of War by Indigard reviews
A very different Mass Effect galaxy encounters a strange and relentless invader that is on constant hunger for Biomass but they never know it's just a glimpse of what coming for them. Featuring: alternative history for every species, a bigger and more populated galaxy, cunning Asari, militarized and germanized human empire.
Crossover - Warhammer & Mass Effect - Rated: T - English - Chapters: 10 - Words: 182,216 - Reviews: 42 - Favs: 99 - Follows: 108 - Updated: 10/17 - Published: 11/6/2021 - Imperial Guard, Tyranids, OC, Shepard
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: 8 - Words: 49,394 - Reviews: 109 - Favs: 204 - Follows: 320 - Updated: 10/16 - Published: 8/7
Shepard From the Stars by ObviousHUN reviews
A Little snippet, where Shepard is in Chaldea (Not smart enough for a full story)
Crossover - Fate/stay night & Mass Effect - Rated: T - English - Chapters: 1 - Words: 842 - Reviews: 2 - Favs: 7 - Follows: 5 - Published: 10/15 - Leonardo da Vinci, Ritsuka F., Shepard - Complete
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: 32 - Words: 258,528 - Reviews: 328 - Favs: 721 - Follows: 822 - Updated: 10/15 - Published: 7/10/2020 - Clark K./Kal-El/Superman, Miranda L.
Mass Effect: Forward Unto Dawn by WildcatWarrior67 reviews
Spartans never die. They're just missing in action. At least, that's how the saying goes. But for the Master Chief and Cortana, they're no longer missing. Awaking in a different universe, the two of them will uphold their oath: to protect Earth and all her colonies. Only it won't be from the Covenant this time.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 7,562 - Reviews: 33 - Favs: 143 - Follows: 258 - Updated: 10/14 - Published: 11/26/2022 - Master Chief/John-117, Cortana, Shepard
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: 13 - Words: 50,345 - Reviews: 230 - Favs: 761 - Follows: 1,142 - Updated: 10/14 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
Sonic Effect by ideal man
time to save the galaxy super sonic style basically mass effect with sonic joining Shepard's crew
Crossover - Mass Effect & Sonic the Hedgehog - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 635 - Favs: 1 - Follows: 2 - Published: 10/13 - Complete
New Start Plus: in spaaaaace! by omaster43 reviews
Nick Walters and his merry band of misfits are back with a story about helping Shepard and crew fight giant eldritch robot abominations, most likely through Dumb magic and crazy shenanigans This is a continuation of my previous story, so reading that one first is recommended. but I'm not your nanny you wanna be confused that's your choice. Oc-insert, just came from Dragon age
Crossover - Game X-overs & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 7 - Words: 172,184 - Reviews: 88 - Favs: 243 - Follows: 298 - Updated: 10/12 - Published: 6/6 - Garrus V., Tali'Zorah, Shepard
The Wayfarer by Umbral Choir reviews
In the twilight of the universe the Ihan-rii, a forgotten sect of protoss, face an uncertain future in a realm consumed by the hounds of the void and their dark master. Xiltar, the last member of the umbral choir will guide his people into a fate beyond the designs of the Xel'naga only to find that he traded one war of annihilation for another.
Crossover - StarCraft & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 55 - Words: 242,335 - Reviews: 52 - Favs: 134 - Follows: 159 - Updated: 10/11 - Published: 2/5
Sith Effect Extras by Metagray reviews
Moments in the universe of Sith Effect showing how the introduction of The Sith Alliance into The Citadel changes the galaxy of mass effect in various ways both big and small.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,386 - Reviews: 15 - Favs: 84 - Follows: 105 - Published: 10/10
Shadows and Dust by HistoricalHijinks 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: 3 - Words: 16,658 - Reviews: 29 - Favs: 188 - Follows: 247 - Updated: 10/10 - Published: 6/25 - Ashley W., Liara T'Soni, Shepard
Massive Reckoning: Interstellar Assualt by vmoneywashere reviews
In the 2700s, the Milky Way is flourishing. Access to Forerunner ruins has allowed the races of the galaxy to explore their home and new galaxies. Now, a new fleet, lead by an Ancient Punic Class Fleet Carrier, is moving to explore a new galaxy. Soon enough, the UNSC will find itself embroiled in a new Great War, with a few standing in the way of mass extinction. (slow updates)
Crossover - Halo & Mass Effect - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 7,524 - Reviews: 16 - Favs: 82 - Follows: 124 - Published: 10/9 - P. Cole, OC, Admiral Hackett, Shepard
Rising from the Embers of Sera by thehappy reviews
The people of Sera rebuild, spreading to the stars. Wars will be waged. Peace will be sought. The Coalition has risen from the ashes to take their right to exist in the galaxy. They will survive...no matter the cost.
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 23 - Words: 346,784 - Reviews: 360 - Favs: 658 - Follows: 789 - Updated: 10/9 - Published: 12/28/2020 - OC, U. Wrex, Shepard, Councilor Tevos
Petroleum Effect by PetroleumHead reviews
A dark alternative Mass Effect universe with a little bit of XCOM and a little bit of Cthulhu Mythos, along with some short-lived Care Bears. If humanity discovers that, in the right circumstances, petroleum can be used as a superior alternative to element zero, just how far will Earth's increasingly post-human, xenophobic, authoritarian government go to obtain oil?
Crossover - Care Bears & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 12 - Words: 41,162 - Reviews: 23 - Favs: 28 - Follows: 27 - Updated: 10/8 - Published: 9/16
Final Destination by The Abyssal Writer reviews
Dr. Datenshi had seen it all. He was there when Admiral Perry ended Japan's Isolationism, he was there when Emperor Meiji turned Japan into a World Power, he was there during the Greatest Generation of Demon Slayers. He was there when Humanity looked to the stars, and joined a galactic community. Dr. Datenshi had seen it all… But Fate, it seemed, wasn't done with him yet.
Crossover - Mass Effect & Kimetsu no Yaiba/鬼滅の刃 - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,336 - Reviews: 2 - Favs: 19 - Follows: 31 - Published: 10/6 - Liara T'Soni, Tali'Zorah, Shepard, OC
The mark of the federation of independent species by migos501 reviews
(TESTING PHASE)“A single event can shape our lives or change the course of history.” United under a single banner, the federation stands as a testament that any species can thrive in harmony, gifted with technology that can tip the scale of an entire galaxy, they now face with a entirely new government and it’s sets of challenges(focusing on the mass effect story)
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 5,676 - Reviews: 11 - Favs: 29 - Follows: 46 - Published: 10/6 - Master Chief/John-117, Shepard
The Eternal Lord 40k - ME by HellFox83 reviews
A battle against the forces of Chaos strands a Necron lord in the galaxy of Mass Effect. With what's left of his dynasty under his banner, Veronakh Lord of Solvatakh intends to lead his people to glorious conquest. Can Commander Shepard stop the Collectors and curtail the ambitions of the Necrons?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 28 - Words: 338,716 - Reviews: 109 - Favs: 386 - Follows: 520 - Updated: 10/6 - Published: 6/13/2020 - Necrons, Shepard
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: 11 - Words: 43,836 - Reviews: 67 - Favs: 357 - Follows: 508 - Updated: 10/6 - Published: 7/7/2016 - SPARTAN-B312/Noble Six
Greetings from the Soviet Union by Autoiko reviews
After uniting the Earth under the Hammer and Sickle, the Soviet Union ventured into the cosmos. Equality, prosperity, and peace have finally been promised to humanity after centuries of struggle. However, communism faces new challenges, especially extraterrestrials. To succeed, humanity must establish camaraderie with the galaxy. At what cost? Let's find out.
Crossover - Call of Duty & Mass Effect - Rated: T - English - Sci-Fi/Friendship - Chapters: 1 - Words: 1,322 - Reviews: 5 - Favs: 18 - Follows: 18 - Published: 10/3 - OC, Councilor Valern, Councilor Tevos, Councilor Sparatus
The Eternal Cycle by Imperatix reviews
The Eternal Empire has carved a place in the galaxy through unity, duty, and faith. These tenants have allowed humanity to rule the stars, however it is uncertain times in the galaxy, with the Emperor's faithful being across the galaxy, it's only a matter of time before there is conflict.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 3,139 - Reviews: 5 - Favs: 32 - Follows: 34 - Published: 10/3
Mandalorian Effect by BulletstormX reviews
The Mandalorian and The Normandy crew attempt a daring rescue to save one of there own. One-Shot is co-written/created with FreeManWriter and Jebest4781
Crossover - Mass Effect & Mandalorian - Rated: M - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 12,852 - Reviews: 12 - Favs: 21 - Follows: 16 - Published: 10/2 - Garrus V., Shepard, The Mandalorian/Din Djarin, The Child/baby yoda - Complete
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