When master chief escapes into the portal he wakes up in the Warhammer 40k universe. he and cortana must fight to suvie a future were there is only war.. first fic!

After the events of Halo 3, the covenant have activated a final plan: Jump universes and make a pact with the new Gods of Apokolips. The UNSC is right behind them. And then there's Danni. Who was adopted by Bruce Wayne after the night the Batman changed her life forever. Alternate JLU/JLA/BTAS universe.

doomguy is late for shootan school! will he make it in times? find out

the master chief,arbiter,gravemind and the prophet of regret hit a portal that sends them to a world they were not expecting to hit.

Fourteen members of the Republic Special Operations Brigade have been sent to investigate the disappearance of the Prosecutor. AU obviously, based off the Mona Lisa short story and the Prosecutor parts of Republic Commando. Discontinued.

This is the codex companion to my actual story "Evolutionary Divergence." Only read if you're reading my story. Note: If you're going to review/criticize, please comment in the reviews of the actual story. I will only fix entries in the codex. Thanks and enjoy. Note: I finally updated and have started to add in the UOA factions.

The human-covenant is over and Spartan III team Orca decides to buy a ship and start a legitimate business, but their first job goes south and they find themselves flung into the darkness of the far future where they must fight foes that makes the covenant look like school kids.

17 years after the events of Halo 3, an army of Jiralhanae invade the human world of Sera and awaken a threat known as Locusts, setting off a war between UNSC/Sangheili Empire forces and the Brute/Locusts armies

The Freelancer and Spartan programs if they had been back during World War II. A secret package, two teens, and - Captain Keyes? *Just randomness for a writing class. Please read!*

Story overhauled by Dr1ft3r0I in the story "Red vs Blue vs Saren"

Shepard must gather a crew in order to hunt down the rogue Spectre Saren, but on the way she discovers a threat even more ancient than the Flood. AU.

Multi crossover with a Halo and Star Wars focus. Decades after the Human-Covenant war, Grey Team has been recovered, bringing information that had cost them their lives. A new conflict is on the Horizon. [DISCONTINUED]

The adventures of the Nirvana and their allies as well as John and Cortana continue, however, new allies and new enemies make their appearance into the battle. Battles await, and maybe even...something more. Story is now on Ice, focusing on updating all NON Halo stories.

A wormhole is discovered in the Epsilon Eridani System during the Covenant's invasion of Reach. Will this discovery bring about an age of peace and prosperity or will the galaxy crumble and burn? EVE belongs to CCP. Halo belongs to Bungie/343 Industries.

Shepard has done the impossible on a daily basis, from taking out mercs to saving the Galaxy. But what happens when his new mission sheds a light on old beliefs and introduces the truly impossible?

A lone UNSC frigate finds itself far from home and holding the keys to ending the Covenant war. If only they can survive insane aliens, a race rampant AIs, and a cutoff branch of their own species.

What would happen if Shepard was brought back, 4 years after he died in the events of Mass Effect 3? And what would happen if the Forerunner become geth cyborgs with reaper tech? What would happen if Shepard has to make a new team since his old squad died? Who will be in it? Some of these questions will be answered in the introduction

The Era of the Human Covenant War has ended, but the strife of a new age has dawned, now comes the threat from beyond and the chronicles of those who live in these troubled times. Chapter 26, the battle for Eta Halo has begun, the greatest battle since the time of the First Contact war has begun and all will decide the future of the galaxy. Updates have begun, CH22 has been edited.

After the assasination of Regret, the Prophets and High Council send a group of soldiers and a fleet to find and recover extragalactic Forerunner tech. But some tech doesn't want to be found...and fights back. Remake of Sithking Zero's story

With the unexpected arrival of the UNSC and Covenant, the Galactic Civil War takes a completely different turn after the destruction of the first Death Star. A turn that will change the face of the galaxy forever. OCs and already established characters. AU.

After an incident with a Forunner artifact, John is stranded in a strange land. What will he and his new allies do when an ancient evil is unleashed? Written before Halo 4, Cannon until after Halo 3

Thirty-one years after the Great War, Humanity is yet again attacked by an alien species. And as a child, Jane Shepard witnessed it from the beginning. She saw the bodies in the blood covered snow at the age of nine. All she ever wanted was a pony, an e-reader, and her teddy. M for lots of death, I guess, and the inevitable future romance.

After I read that Cortana sends people who mess with her or Chief to the frontlines and ruins their lives I thought about a certain RvB character who's life might have been affected this way...

When Ash was teleported to the Halo Universe, he learns that not all species are different and will have to fight for his life to keep the female Sangheili elite he befriends safe. But he will soon learn that not only will he learn new experiences, but wi

When one of the crew mates may have an idea for a new crew mate, or mates, who are they?