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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: 25 - Follows: 38 - 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: 383 - Follows: 519 - 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: 355 - Follows: 505 - 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: 17 - 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: 4 - Favs: 25 - Follows: 27 - 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: 7 - Favs: 14 - Follows: 11 - Published: 10/2 - Garrus V., Shepard, The Mandalorian/Din Djarin, The Child/baby yoda - Complete
War of the Old Ones by Ian the Mechanic reviews
In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?
Crossover - Mass Effect & Halo - Rated: M - English - Sci-Fi/Horror - Chapters: 24 - Words: 129,715 - Reviews: 142 - Favs: 291 - Follows: 437 - Updated: 10/2 - Published: 2/21/2022
Robo Effect by Star Sage reviews
The Robotech wars are over. The survivors of Humanity and the Zentraedi are now alone in the universe, and so, come together, becoming something new, becoming Terrans. Now this race will find itself thrust into the galactic scene, as the Citadel Races and those beyond test these young upstarts, and in the shadows, old things begin to move.
Crossover - Robotech/Macross & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 60 - Words: 218,791 - Reviews: 620 - Favs: 868 - Follows: 928 - Updated: 10/1 - Published: 4/14/2015
Bellum Terranum by F35B reviews
In the year 2585 the Humans have mostly recovered from the effects of the Human-Covenant War, however unknown to them, there is a much larger Galaxy out there... one that doesn't take kindly to humanity and their... antics... However an old threat still lays out there, ready to strike. Pls Read & Review (Slight HFY)(AU)
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 29,252 - Reviews: 150 - Favs: 314 - Follows: 482 - Updated: 9/30 - Published: 7/31
Temporal Displacement with Gamer Characteristics by Keywielder reviews
As if shifting between the real world and Elite-verse when I had just graduated from Senior High for a few months wasn't enough, now they're telling me that it was a goddamned Beta THE WHOLE TIME, after FIVE FUCKING YEARS of God knows what in the actual fuck and ONLY NOW I get the full release! Fuck it. Let's just roll with this crap... Gamer, OC, SI. Current World: Mass Effect.
Crossover - Mass Effect & Elite Dangerous - Rated: M - English - Sci-Fi - Chapters: 6 - Words: 66,638 - Reviews: 61 - Favs: 305 - Follows: 387 - Updated: 9/30 - Published: 11/20/2021
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: 3 - Words: 15,458 - Reviews: 45 - Favs: 151 - Follows: 201 - Updated: 9/30 - Published: 2/6
Kage of the Stars V2 by Warlock99 reviews
Saving people is hard as is being a hero, but saving the universe? Well, that's going to take an army that transcends and breaks the laws of the universe. And a Kage to lead them to victory. This is the story of that Kage; this is the story of Naruto Uzumaki the Kage who rules the stars and all the universe.
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure - Chapters: 5 - Words: 12,219 - Reviews: 3 - Favs: 31 - Follows: 46 - Published: 9/30 - Naruto U., Sara Ryder
Those Who Favor Fire by The.A.I.1502 reviews
In a universe reeling from the Blip, Isabelle Collins is shattered by her brother's death. But humanity's intent on colonizing the stars reveals an undeniable truth - Thanos was the harbinger of something much worse. Isabelle must peel back the layers of her new reality, because this time, the stakes are much higher than half of all life.
Crossover - Marvel & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 32 - Words: 327,572 - Reviews: 22 - Favs: 60 - Follows: 73 - Updated: 9/29 - Published: 6/1/2020 - OC, P. Coulson, Harbinger, Shepard
Mortal Desperations by Solthrin reviews
Arcturus Magnus, Sagittarum of the Legio Custodes, has fought for years within the webway and the Impossible City. Upon taking a near-fatal wound, the Emperor Himself removes Arcturus from the front, sending him instead to bring forth reinforcements from the Mechanicum. When something goes wrong during the return, where does this Custodian find himself?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 38,353 - Reviews: 82 - Favs: 388 - Follows: 589 - Updated: 9/29 - Published: 1/17 - Adeptus Mechanicus, Tali'Zorah, Shepard
Cyber Effect, Book 1: Chippin' In by Travezty reviews
Vincent John Shepard, Great Grandson of Vincent "Thrice-Dead V" Shepard, Earthborn of Night City, and Hero of the Skyllian Blitz… NetRunner, Tech-Head, and Commander of the Alliance Military… Or… What would happen if Cyberpunk 2077 Mixed with Mass Effect? What could possibly go wrong? (Goddammit Bubsy!) TaliShep, V!Shepard, Johnny Silverhand, Rated M (Just in Case)
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Romance/Adventure - Chapters: 5 - Words: 34,269 - Reviews: 11 - Favs: 49 - Follows: 64 - Updated: 9/28 - Published: 9/15 - [Shepard, Tali'Zorah] V, Johnny Silverhand
The Traveler's Second Chance by Caldesan reviews
The Traveler has a different response to the Darkness. A story where the Guardians never accept the Darkness. The Traveler gave them a second chance, what do they do with it? Destiny shows up in Mass Effect. OC's for Destiny MC and Ghosts, different take on Destiny Lore
Crossover - Mass Effect & Destiny - Rated: M - English - Adventure/Romance - Chapters: 6 - Words: 56,197 - Reviews: 14 - Favs: 63 - Follows: 94 - Updated: 9/26 - Published: 8/6
Maelstrom Effect Book 2: Shadows of Crimson by godospartan the Kitsune reviews
After Soverign's defeat, the sibling Commanders left to clean up the mess it left behind. But one of them was struck down by an unknown force. The next 2 years they go in search of the ones responsible, unknowing that a secret group is bringing their sibling back to life to fight the Reapers again. How will they react when they meet again? NaruxTali, Shakarian, Mature content later
Crossover - Naruto & Mass Effect - Rated: M - English - Sci-Fi/Hurt/Comfort - Chapters: 14 - Words: 164,383 - Reviews: 78 - Favs: 345 - Follows: 392 - Updated: 9/22 - Published: 12/25/2019 - Naruto U., J. Garson, Garrus V., Tali'Zorah
Perchance to Dream by Crossposted
A Crossposting of Drich’s FanFiction on SpaceBattles, all credit goes to the original author
Crossover - Mass Effect & Game X-overs - Rated: T - English - Supernatural/Sci-Fi - Chapters: 6 - Words: 70,114 - Favs: 6 - Follows: 5 - Published: 9/21 - Complete
Destino en Masa by Agusfedredhunter reviews
Todos conocen el juego de Mass Effect pero no muchos conocen el juego Destiny por lo que eh decidido conectarlos. La humanidad, estando en una posición mucho mejor que la que tuvieron en su edad de oro se encuentra con un artefacto alíen desconocido que los conecta con el resto de la galaxia y a las razas que lo habitan (Las actualizaciones podran tardar un tiempo en llegar)
Crossover - Mass Effect & Destiny - Rated: T - Spanish - Drama/Adventure - Chapters: 4 - Words: 26,021 - Reviews: 2 - Favs: 7 - Follows: 8 - Published: 9/20 - Shepard, Awoken, Exo, Human
The Long, Long Walk by This Is Sarcasm reviews
Having stopped the Hive incursion on Eden Prime at the expense of being stuck in Commander Shepard's reality, Crow is offered a place on the Normandy. With nowhere to go, he accepts, and finds himself at the front of the fight against the Collectors, while at the same time trying to learn how to trust the ship's residents. In the end, though... maybe he's not 'stuck' after all.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Angst - Chapters: 32 - Words: 110,977 - Reviews: 239 - Favs: 381 - Follows: 533 - Updated: 9/20 - Published: 9/15/2021 - Joker, Shepard, Dr. Chakwas, Crow
I'll Always Find You by Scififan33 reviews
Sora T'Soni just wanted to keep her family safe, to put her skills to use for her people, so she joined the military. Riku Yamada was running from a past he wished he could forget, grateful to those who saved him, so he joined the Alliance military. The Saren and Sovereign attacked and both their lives changed forever. Something drew them together but how could it work?
Crossover - Kingdom Hearts & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 18 - Words: 76,439 - Reviews: 11 - Favs: 26 - Follows: 25 - Updated: 9/18 - Published: 6/30/2022 - [Riku, Sora] [Liara T'Soni, Shepard]
Were it So Easy by Sigma0327 reviews
Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 157,359 - Reviews: 218 - Favs: 958 - Follows: 1,375 - Updated: 9/17 - Published: 11/9/2020 - SPARTAN-B312/Noble Six, Tali'Zorah, Miranda L., Shepard
The long way home by DeltaSev reviews
Auraxis year 2945. The TR, NC and VS signs an uneasy peace with each other. They expand across the Luminair system, and start to explore outwards with the new FTL and Wormhole Teleportation. The wormhole from years ago has sent them even further away from the Earth they know and the Galaxy they lived in. Happening during the events of Mass Effect 2.
Crossover - PlanetSide & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 11,922 - Reviews: 5 - Favs: 16 - Follows: 22 - Updated: 9/16 - Published: 9/12 - Miranda L., Jacob T., Shepard
It Started At Shanxi by SpaceTurtleOX reviews
Fifty years after the end of the Human-Covenant War an ill-fated UNSC expedition opens Relay 314, revealing a civilization unprepared for their arrival, and relics from a terrible past.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 90,290 - Reviews: 629 - Favs: 1,886 - Follows: 2,787 - Updated: 9/16 - Published: 7/26/2019 - Master Chief/John-117, Cortana, Zaeed M., OC
I AM Shepard by oliverjack666 reviews
Mass effect is own by Bioware and EA. This was Inspired by ME SI: Ultimate Krogan. Though The Dimension hopping will have to wait. Freaking Squids.
Crossover - X-overs & Mass Effect - Rated: M - English - Chapters: 11 - Words: 32,268 - Reviews: 14 - Favs: 89 - Follows: 114 - Updated: 9/16 - Published: 9/19/2022
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