The Universal Century, only a few short years ago humanity nearly eradicated itself to the tune of a madman, now it spreads, free of most of its old hatred. Yet the galaxy won't let them rest. Terminal prepares the twin Queens as best it can. (Gundam x Mass Effect)

Humanity has long since recovered from the effects of the Human-Covenant War, beginning to resettle and rebuild. However a chance encounter with an alien artifact and following contact with the Council leads humanity and the rest of the Milky Way into a twisting conspiracy forging unexpected alliances between each race. A show that the Reapers are all too happy to watch. (Heavy AU)

A chance encounter between two master thieves.

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.

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.

The Gods left remnant together, with the statement they would never return to it or influence it. Only, that wasn't true, was it? The God of light, ever the hypocrite and liar, didn't abandon Remnant. Instead, he reincarnated someone to do his bidding and bring Remnant to them. Cue, the now dead Pyrrha Nikos and the God of Darkness' ideas. / Supporter Requested by Espacole & Spork

After the battle for the citadel and jane Shepard's death the galaxy has finally begun to calm down and besides a handful of people everyone has forgotten about the Reapers or chooses to ignore them this makes things easy for the citadel council and with the majority of the Normandy crew scattered throw out the galaxy there is no one left to stop the Batarians from being stupid

Long ago on earth demi-humans appeared on earth. Now expanding into the galaxy the other races have to deal with both humans and demi-humans. Mass effect story from beginning to end but with monster people to make it more interesting. Experimental, possible harem

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

Anyone wondering what would happen after the events of the Uprising? There are a lot of possibilities. Time machines, Yuriko Omega on the loose, desolators, giga fortresses and a lot of other stuff. It's gonna be a crazy ride.

Clayton Carmine has only known hate and carnage for so many years. But once he survives the war he hoped to die in, things get strange. When people need help he isn’t one to shy away, and while helping Baird he gets sent to a place in dire need of a man like him. A man that can’t be claimed by death as easily as his kin.

Tanya finally winds up in mass effect after having dealt with Being X. Starkiller's son too ends up in mass effect after his own sacrifice to stop the empire. This is something like that. I have no idea what I am going to write. Author note: Guys, I don't know what the hell I am doing. I just decided to write and this is the result. Any help would be appreciated as Eng is 2nd lang.

The USS Voyager comes face to face with the massive ship that is the UNSC Infinity after Voyager's nearly fatal first test of their quantum slipstream drive. Getting home isn't their only issue. They will have to work together in order to unravel the ancient threat that plagues the new galaxy that they find themselves in. Star Trek:Voyager, Mass Effect, and Halo triple crossover

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

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

After the Witness left the gaping portal on the Traveler, the Vanguard sent its best Warlock to research it. But when his ship doesn't come back, he is presumed lost. But unknown to the Vanguard, in a different reality, a billion years before humanity reached for the stars, a strange ship emerges from a rift in space. The Warlock shall create his Garden, and his knowledge be known.

The galactic empire sends an expedition into the milky way galaxy and comes into contact with the batarian hegemony. At the end, the empire is triumphant how does this affect the rest of the galaxy.

(AU) Being the only adolescence human on a isolated backwater space station while having secret modifications within him due to illegal experimentation is something Eddie has grown to accustom to. But having the only adolescence Tsktskian around falling for him after accidentally saving her life though is something that almost makes him wish that he had died in that laboratory.

Humanity fought for 30 years against the aliens, and the corrupted. Now they managed to create peace between them, only for them to get in contact with the Citadel races. Will there be another war, will there be peace, and how will the Citadel Races react to an Alliance that is actively preparing for the Reapers.

A fleet of Imperial reinforcements, Mechanicus detachment and a chapter of White Eagles meant for Cadian sector are swallowed in the unruly sea that is Warp. They emerge into a new universe, one without the Emperor, their faith strong, they will see this galaxy conquered. Theme Song, search on youtube : The Crusade of the Lost Theme song (Warhammer 40k X Mass Effect)

A crossover between Mass Effect and Cthulhutech. Humanity has won the Aeon War and has since expanded and thrived. How will the galaxy fare with this new power?

The number of shinobi drastically decreased over the past generations. People stopped using chakra as their source of power and focused on developing a modern society with the help of technology until they achieved space-flight and the Reapers harvested their civilization... all - except one. Follow the ninja way of the last living shinobi Akane Uchiha.

The Separatists destroy the Covenant in a brutal war, yet in the 2570s remnants persist, but their defeat is inevitable. However, The Gods have other plans. The Migrant fleet deciding to escape through a dormant Relay into unknown space, meet "Sleep-deprived Titans with negative zero fucks to give." -LTCOL Church. Heavy AU, RVB elements, swearing.

Rigel faced extinction every day of his life, fighting an unending tide of enemies to safeguard his people. When the time came for one last sacrifice, he didn't hesitate. But Destiny had other plans for him... I do not own any established properties and receive no monetary compensation for this fanfic.

My earliest work, now fully updated! (wow). Within is a tale of a collision of the absurd and rather horrifying world of Red alert and the rich world of the Citadel council, a clash of cultures and species with colourful characters and large scale intergalactic war. Filled with all varieties of Battle; Space Battles, Ground battles, Diplomatic Battles, and (possibly) many more!