After the Human-Forerunner war the humans are left trapped on the Earth, de-evolved by the Forerunners. When the Forerunner-Flood war starts the Forerunners decided to prtotect the humans, Earth is converted into a prototype shield world in order to protect its inhabitants. However before the Forerunners can assign the mission to the guardians to watch over earth, they are betrayed

What would happen if two galactic titans meet? The result: Total war

During the Second Battle of Requiem, Spartan Victor Vilmos is sent on a mission to find a possible Forerunner artefact. However what he does find is a device that sends him hundreds of years into the past and into a situation which will put him to the ultimate test.

Spartan B312 (sam) died on reach, but other beings had plans for her. this is a comedy.

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

It has been quiet for quite some time in Jump City. The Brotherhood of Evil has been defeated, th H.I.V.E rarely shows up, and the police can solve most crimes on its own. The Teen Titans have a nice break from fighting crime...But that suddendly changes. A terrible enemy arrives on Earth, determind to destroy Humanity. And the only thing that can stop them, are the Teen Titans...

This is a fanfic about how if Noble Six had survived Reach and when the Forward Unto Dawn went into slipspace it traveled back in time to 2016.(sorry if I suck at summaries)

Drake is an unusual character living in a strange world. But when a new enemy rises, he has to chose his path to save the world or let it fall. This is a Minecraft, Halo, Sonic,Pokemon, and Super Smash Bros cross over which might explain all the confusion. Help me decide on Drake's destiny by writing the word good or evil in the reviews.

In a universe, far harsher than our own, a group of six our know as the Titans. They protect the human race, fighting any threats who dare to change mankind and it's creations. But there are others, other mercenaries and ODST's and SPARTANS... but only a few can survive in such a dangerous universe, the question is, who will live to see another sunrise? Multiple pairings included!

The Forgotten Freelancers escape with Dr. Catherine Halsey with the UNSC hot on there tail. They get shot down on an unknown planet and meet some new friends. But will it be enough to protect Halsey from both the UNSC and the Covenant?

Left adrift after the battle at the shield world, the Spirit of Fire floats aimlessly through space. That is until, it comes across an anomaly in space. Now at an unknown world, what does the future hold for the ships crew? -Abandoned-

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.

Alison Charity is named after her Aunt Allison who long since died in the line of duty... she may have her Aunt's Personality to Fight but when it comes down to greed lets just say... she is in it for saving lives and fighting the true enemy...

The FORWARD UNTO DAWN has been drifting through space for four years.What happens when you put a soldier that destroyed three armies with a speedy cock blue hedgehog that can outrun anything together? Be prepared because this is going to get HEXtic! (rated M for blood and language and the act of ripping of things.)

The Courier returns from a psychotic break down on the Strip to the place of his death only for everything to not be what it seems. Response to a challenge made by glenloc. Courier/Cassidy Courier/F!Noble Six

first ever haloxakame ga kiru crossover why would you not read this?

The Chief and Cortana may have stopped the Covenant and the Flood, but when they arrive on Azeroth, how will they fare against the Lich King and the undead Scourge? Rating may be changed later. Enjoy!

Spartan-B312 survived Reach, but not without a great cost, he proceeded to fight with through the rest of the war with John-117 and in the latter parts, Thel Vadam' the Arbiter. Peace now reigns in the UEG/Sangheili controlled space. In the midst of this, a certain event happens to our Spartan during a test for the new Mark X series of MJOLNIR Powered Assault Armor

The UNSC finds something in an Onyx like world. Sending down a team of Spartans and Marines, they find doorways that can transport people into parts of the universe never seen before. Your personal opinions can/will change the story. Crossover with seven different world, worlds not definite. Ashoka/Anakin, Obi-wan might have romance with somebody.

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.

The master chief finds something while on a mission. What happens when he brings it along? If it doesn't make sense right away, I'll explain a few things to characters later. *EDIT* Rebooted in Shego and the Spartan!

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.

Anakin Skywalker gave his life to protect Luke from the Emperor, and thought that it was all over. When he is given the option of a new life in a different world, he doesn't hesistate to take it. Set post ROTJ and in the middle of Halo 4.

OK first sorry for the spelling Commander Shepard failed, the crucible got found out and the citadel. and the reapers are slowly taking over the universe. but there not just after Shepard's universe there after all universes, but have no fear The Doctor has a plan. CROSS OVER: MASS EFFECT,HALO,GUNDAM 00, Zero no Tsujaima, Demon king demono, Doctor who, And a lot more series.

{Falls between episode 20 and 21 of Agents of S.H.I.E.L.D.} Phil Coulson finds himself with an unexpected visitor . . . in more ways than one.