What happens when some of the greatest sci-fi characters are brought into the same universe? Read to find out. Based in the Halo Universe, these character must work together to defeat common enemies and make the return trips home.

This is a GUIDE to my 'The Reclaimer Effect' series. Read this if you want to know the timelines, faction/race profiles, and other stuff that you'll see in the Reclaimer Effect: First Contact.

When Shepard's crew finds an odd mech-like figure while investigating geth activity, no one can begin to guess the consequences. Because now there is another badass commander on the Normandy. It almost makes you feel sorry for Saren and Sovereign because this isn't her first rodeo...

Fifteen years after the Covenant War, ONI discovers the Systems Alliance; decimated by the Reapers six years ago. Faced with insurgency among the Colonies, ONI realizes it must make sure the truth never sees the light of day and begins a radical new plan, in a desperate attempt to buy the UNSC as much time as possible, and for that, it will need a new generation of Spartans...

Sergeant Johnson didn't die on the Ark. he was sent to the mass effect universe. Mass Effect AU with Johnson, and three Shepards. Jane: Paragon, War Hero, Soldier. John: Renegade, Ruthless, Adept. Angel: Neutral, Sole Survivor, Infiltrator. Shepard (any): Spacer. Sequel (Mass Effect: GHOSTs) now up.

Multiple crossovers JC's Avatar, Star Wars, Halo, Mass Effect, and more. Ch.10: Turians vs Mandalorians

In a risky gambit After the fall of Reach UNSC send a largest colony fleet throught an unstable wormhole which allows intergalactic travel in the edge of UNSC teritory to preserve humanity. What will hapen when paranoid human empire meet with traumatic SA human and citadel council. PRE HALO3 & POST ME3

When adversity bares its abyssal maw, when an unstoppable, terrifying enemy erupts from a literal hell to consume all, you must take the proffered hand and lean upon whatever is left. Even if previously you were engaged in a galactic slaughter with your enemy turned ally. In dire times such as these, they must rise above the cataclysm... Were it so easy...

"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth." ― Niels Bohr/ Set after the events of Halo 3 the Dawn is found adrift in space by a UNSC vessel. After retrieving chief and his A.I companion they return back to earth to find it different then the one they left. Rating may change in the future.

Wrex, Tali, and Garrus meet the human feared by even the Arbiter. The Hacksaw. A humor/parody oneshot, give it a read.

Halo/ME/Star Wars/Warhammer 40K: Four universes collide in a storm of brilliance and violence, unexpected circumstances arise. A threat to all emerges, but who among the four galaxies might hope to triumph? Slight AU. Note: This is my first time ever writing fanfiction.

Inspired by The Reclamation Has Begun. The summary is in the prologue: Peace comes after war, and War returns before old wounds can be healed. There is a little AU in this fic, Chapter 3 is a work in progress. Chief x Parisa, Lasky x Palmer, and M!Shepard X Ashley.

After bringing an end to the war against the Reapers, Commander Adam Shepard finds himself caught in the midst of another brutal war, a war that humanity had been losing for nearly three decades.

When a mysterious portal appears at the edge of the Oort Cloud in space, a UNSC fleet is dispatched, only to find themselves in a completely different universe where yet another ancient Galactic threat is upon them. Post Halo 4, ME1.

collective codex for HALOMExCnc: Universal Perversion

Human, Covenant, Citadel, and non Citadel was united under single banner to face biggest galactic threats which threatening their very existence. Shepard was proceed to save entire of galaxy. (Read codex's first, please)

Thirty-five years have past since the end of the Human-Covenant War. Having reclaimed most all its previous glory, the UNSC exploration locates a massive artificial construct in the outer orbit of a star. While investigating the object alongside their Sangheili allies, new aliens come forth from the construct and bring humanity into a fate they never expected. ON HIATUS

When the four great races rise up to reclaim what was lost after the Great Cataclysm. How will the Citadel Counsel react. (Its an idea that just will not leave me alone. Is Teen for now may change in the future or maybe not at all.) Up for Adoption

Avenging the past leaves you with nothing, a Character from Mass Effects learns the hard way that there are worlds worse then the one they started in. One Shot, World Building

Masterchief wakes up after his long cryo sleep only to learn that everything he once fought for is now history. UNSC, Covenant everything. Can he once again become the humanity's greatest hero or someone else will carry his legacy?

When you become an extragalactic entity, meeting other galactic civilizations becomes an inevitable occurrence, and First Contact rarely goes well for the less-advanced society. Pre-ME through ME3. Rated T for language and implied sexual situations later on. Extremely Light parody on Halo OPness AKA Halo tech taken to its logical conclusion.

Fleeing from their universe, the reaper defector Enigma and his allies stumble into a new conflict. A conflict where the victim is out numbered and faced with extinction. The white reaper is not about to sit on the sidelines and watch this time... *Please read 'Mass Effect: The reaper Enigma' before reading this to reduce confusion.*

After a long deserved rest, the Master Chief awakens in a whole new galaxy.

A turian fleet stumbles on a human colony in the wake of the Covenant War. What will ensue?

Following the Human-Covenant War, Humanity finds a buried device that allows trans-galactic travel far faster than Slipspace. It was heralded as the greatest scientific find in Human history; the rest of the galaxy simply calls it the Mass Effect. Now mankind needs to forge a new place for itself among the stars.