Halo and Mass Effect Crossovers
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A Cross of paths, an unexpected change by JonasReed-2110 reviews
Many years after losing the Human/Covenant war the remnants of humanity live on, forced to remain on their ships by their old enemy.
Rated: M - English - Adventure/Mystery - Chapters: 2 - Words: 1,508 - Reviews: 1 - Favs: 9 - Follows: 13 - Published: 12/19/2014
Our Legacy by Infini0n reviews
the newest age of super-soldiers is given a new assignment, and it looks to be a cakewalk, until a traitor kills his inductor and escapes with no evidence to prove otherwise. Whats a spartan to do? Hunt the Traitor Down, that's what! ME with my own personal twist of Halo Awesomeness. M for death, blood and gore, lots of bullets, Language, and mature situations and themes.
Rated: M - English - Sci-Fi/Romance - Chapters: 11 - Words: 73,914 - Reviews: 28 - Favs: 59 - Follows: 76 - Updated: 12/18/2014 - Published: 12/31/2011 - Master Chief/John-117, Shepard
The Alliance's Spartan by soran51 reviews
The Great War has ended. Spartan S-989, Marcus, is one of the many Spartans now in service to the UNSC and it's allies. When he and his companion AI, Ariel, encounter an unknown installation they're ordered to investigate. When the installation hits them with an energy pulse, their slipspace generator malfunctions sending them further than they could ever imagine.
Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 32,699 - Reviews: 72 - Favs: 238 - Follows: 321 - Updated: 12/17/2014 - Published: 2/10/2014 - J. Garson, Ashley W., Kaidan A., Tali'Zorah
The Aspect of Fire - Return of Silentium by Raptor of Sanghelios
After the Master Chief disappears through unknown means, the UNSC destroys the Didact but at the cost of Earth. Desperate to survive, they join forces with their allies and form the Human-Sangheili Coalition. Ten years later, a research facility goes dark. A nearby fleet arrives to assess what happened. What they find will change their lives, and those of another universe, forever.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 573 - Favs: 11 - Follows: 11 - Published: 12/12/2014 - Arbiter, Rtas 'Vadumee, OC, OC
Inheritance: The Mantel's Challenge by Reaper VF6 reviews
It has been 40 years since the Great War ended the UNSC has faced and defeated numerous threats. They are the inheritors of the Mantel and the Forerunners have challenged them to claim. Set in Mass Effect 1, it shows the UNSC reconciling with the Systems Alliance, the Citadel Council, and the Reapers as the UNSC and its Allies, the Imperium try to claim and uphold the Mantel.
Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 45,059 - Reviews: 115 - Favs: 321 - Follows: 377 - Updated: 12/11/2014 - Published: 9/14/2013 - OC, Master Chief/John-117, Admiral Hackett, Shepard
A New Battleground by AlphaGuardian reviews
The remains of Team NOBLE go MIA during their mission to deliver The Package to the Pillar of Autumn. They find themselves staring down the singular threat to another galaxy: the Collectors. Follow Six as she teams up with Commander Shepard to destroy the Collectors and the Reapers. (Part 2 is up! Go look for it.)
Rated: T - English - Sci-Fi/Adventure - Chapters: 19 - Words: 60,260 - Reviews: 95 - Favs: 205 - Follows: 195 - Updated: 12/8/2014 - Published: 5/24/2014 - Cortana, SPARTAN-B312/Noble Six, Shepard - Complete
The Mantle Beyond The Eons by SuperW1998 reviews
After 100,000 years of Atonement, the Forerunners arrived at the Mass Effect Galaxy. The Reapers threaten every organic life, and in the hands of the Iso-Didact is the fate of his people or this new galaxy. Set in Pre-Mass Effect 3. I do not own the Halo series or the Mass Effect Universe.
Rated: T - English - Sci-Fi - Chapters: 10 - Words: 40,564 - Reviews: 195 - Favs: 313 - Follows: 338 - Updated: 11/28/2014 - Published: 5/21/2014 - IsoDidact/Bornstellar Makes Eternal Lasting, Admiral Hackett, Illusive Man, Shepard
The Mass Effect of One Spartan by Iron Wolf1x reviews
One Spartan and his A.I. are thrown into the Mass Effect world. Read as the appearance of one man can change many things for the future of everyone
Rated: M - English - Chapters: 1 - Words: 3,129 - Reviews: 1 - Favs: 12 - Follows: 22 - Published: 11/27/2014 - OC
Commander in Chief by Eclipse-Luna reviews
Commander Shepard has stopped the Prothean slaves, the Collectors. Meanwhile, The Master Chief and Cortana stop the Didact from destroying humanity and pay the price of heroism. Death, or do they? How will Chief and Cortana react with this different past, while holding their secrets close. Post ME2/Post H4
Rated: T - English - Sci-Fi - Chapters: 17 - Words: 51,577 - Reviews: 108 - Favs: 129 - Follows: 149 - Updated: 11/2/2014 - Published: 9/18/2013 - [Tali'Zorah, Shepard] Master Chief/John-117, Cortana - Complete
Amnesia by Alba Meredith Quill
Shepard durante una mision se golpea la cabeza quedando inconsiente, al despertar solo tiene recuerdo de su vida conyugal con una Ex Oficial de la Unsc ahora medico de la Normandía, Lauren la ex oficial y ahora medico de la Normadía tiene una feliz vida Conyugal con James Vega, ahora con una alinza con la Unsc y nuevos enemigos Lauren debe tomar el mando de la Normandía.
Rated: T - Spanish - Sci-Fi/Romance - Chapters: 2 - Words: 3,035 - Favs: 1 - Updated: 10/30/2014 - Published: 10/22/2014 - Carter-A259/Noble One, OC, Shepard, OC
Mass Effect Halo Crossover Special concept paper by Freedom Guard reviews
Yet another concept paper for a fic to be made in the years to come...but with one serious twist. Comments, suggestions, and critics are welcome. Flames can go and rot in hell for all I care.
Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,228 - Reviews: 37 - Favs: 20 - Follows: 9 - Published: 10/22/2014 - OC - Complete
Halo Mass Effect Timline by Sharp47 reviews
Just a new timeline saw there were really no fics of contact before the war with covenant so I decided to put this up
Rated: T - English - Chapters: 1 - Words: 2,004 - Reviews: 11 - Favs: 12 - Follows: 12 - Published: 10/9/2014
Time and again by Nutjob117 reviews
We did it again. We found another alien race(group of) and they decide to attack us, again. And once again WE WILL NOT LIE DOWN AND DIE! WE WILL FIGHT THEM HARDER THAN EVER! and this time we have friends.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 759 - Reviews: 14 - Favs: 69 - Follows: 86 - Published: 9/14/2014
Feet first into Hell by Golf November reviews
Wir betrügen den Tod um seinen rechtmäßigen Sieg. Niemand kann uns besiegen. Wir springen in die Hölle mit den Füßen voran, in dem Wissen, dass wir aufsteigen werden.
Rated: M - German - Chapters: 7 - Words: 24,532 - Reviews: 13 - Favs: 16 - Follows: 16 - Updated: 9/9/2014 - Published: 8/4/2013
Mass Effect: GHOSTs by VR Commando ATA reviews
Sequel to Mass Effect Johnson. Centered on the newest ONI Spec Ops group, the GHOSTs. The best of the best of the best that humanity has to offer, they have the best tech, the best armor, and the best weapons, they use them all in their missions to defend humanity and its allies. the GHOSTs will show the galaxies why the Reapers and Flood aren't the only things to fear. Sequel's up
Rated: T - English - Sci-Fi - Chapters: 10 - Words: 30,056 - Reviews: 22 - Favs: 37 - Follows: 43 - Updated: 9/5/2014 - Published: 7/7/2014 - OC, OC - Complete
The Devil's Own by Cain O'Phelan reviews
When a company of ODSTs drop on New Mombasa to reinforce the ground operations against the Covenant, they are caught in an inter-atmospheric Slipspace jump. Where that jump leads will take those men from notoriety, to legend.
Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 36,963 - Reviews: 158 - Favs: 376 - Follows: 448 - Updated: 9/1/2014 - Published: 5/16/2013 - J. Garson
Mass Effect X Halo Spartan Dawn by Freedom Guard reviews
Yet another creation of mine to help ease my mind, I hope that everyone does not mind seeing this one. I know there are a lot of crossover with Mass Effect and Halo, but no sense not trying a bit of it in my free time. Story on Ice, Updating all NON Halo stories is priority now.
Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 233,980 - Reviews: 931 - Favs: 1,496 - Follows: 1,341 - Updated: 8/27/2014 - Published: 10/8/2010 - Master Chief/John-117
Galactic Federation of Interstellar Nations: Codex by Epic Zealot Productions reviews
The combined knowledge on the GFIN members and history.
Rated: T - English - Sci-Fi - Chapters: 1 - Words: 2,749 - Reviews: 9 - Favs: 13 - Follows: 13 - Published: 8/26/2014
The Last Reaper War by Longsword Hero reviews
The Reapers have been annihilating the Citadels armies and fleets one battle after another. The Reapers are thought to be invincible and that no force can stand against them. But what happens when they encounter a new race? One whose resolve and strength outweighs anything they have faced before. One who will not settle to drive them out but destroy them.
Rated: M - English - Sci-Fi/Suspense - Chapters: 3 - Words: 10,861 - Reviews: 40 - Favs: 233 - Follows: 299 - Updated: 8/24/2014 - Published: 8/2/2014
Uphold thy mantle by Stairman reviews
They have survived, staving off the parasite and triumphing against their foes the forerunners, after a millennia of struggle and conflict. Now free from the oppression of their greatest enemies, they seek to protect the mantle. However the storm has not passed. As those cloaked in shadow conspire, so do the drums of war beat, and the galaxy shall be bathed in fire and bloodshed.
Rated: K - English - Sci-Fi/Adventure - Chapters: 1 - Words: 3,836 - Reviews: 22 - Favs: 63 - Follows: 91 - Published: 8/23/2014 - Liara T'Soni, U. Wrex, Tali'Zorah, OC
Crossover by Jerim reviews
They have been taken for a reason, ripped out of their worlds and put together for a suicide mission none of them can face alone. Good or bad, if they can't work together, none of them will make it home alive. (9multiple crossover mash-up featuring characters from halo, mass effect, portal, skyrim, half-life, star-wars, assassin's creed ))
Rated: T - English - Adventure - Chapters: 1 - Words: 725 - Reviews: 9 - Favs: 3 - Follows: 4 - Published: 8/20/2014
UNSC Rising by Tansey56 reviews
Humanity has endured. The Human Covenant war is over, now the long task of rebuilding looms ahead. Fragile relations and strong bonds will be tested when unbelievable things are discovered. Can humanity endure once again? Pre-ME through ME3 AU!
Rated: K - English - Sci-Fi/Adventure - Chapters: 2 - Words: 2,337 - Reviews: 32 - Favs: 100 - Follows: 160 - Updated: 8/18/2014 - Published: 6/28/2013
Mass Effect Johnson the OC backstories by FPSLiverpool reviews
these are a collection of backstory's for my OC's in VR commando ATA's mass effect Johnson story, swearing a plenty.
Rated: M - English - Chapters: 4 - Words: 3,996 - Reviews: 2 - Favs: 2 - Follows: 1 - Updated: 8/10/2014 - Published: 7/15/2014 - OC, Garrus V., U. Wrex, Joker
The Reclaimer Effect: First Contact by StarSerpent reviews
Humanity thought that they were done with war when the Human-Covenant War ended. They were wrong. It only heralded a new age of wars larger and more brutal than before. A humanity used to war meets the Citadel Council, a coalition of alien races that haven't seen war in millennia, thinking themselves secure in their position of power. CANCELED, Spiritual Successor in Invicta Series
Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 24,272 - Reviews: 193 - Favs: 449 - Follows: 577 - Updated: 8/7/2014 - Published: 5/26/2014
A Wolf in Shepard's Clothing by KillerGypsyFish reviews
Noble Six is struggling to get to the rally point to deliver Cortana to Captain Keys, but when the wounded spartan passes out and awakens on some sort of spacecraft. He discovers that he's in a reality where the UNSC don't exsist. Will he get back to his reality? Will he make nice with the crew? And what happened to Cortana? Based off of Kyurem's Soul's, Involuntary Intrusions.
Rated: T - English - Adventure - Chapters: 5 - Words: 3,852 - Reviews: 17 - Favs: 51 - Follows: 71 - Updated: 8/4/2014 - Published: 7/20/2014 - Cortana, SPARTAN-B312/Noble Six, J. Garson
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