The Spartans still have one final test in their training. His Dark Materials AU.

A single commander humanities last hope is sent with an experimental ACU to close the Seriphiem Arch and save humanity from the infinate war but as the saying goes No plan survives first contact and now as The Seriphiem war ends another begins will the young Commander be able to lead his forces to victory aginst this new foe (slight refrence to war based violence reason M rating)

SPARTAN-A073 and B158 are thrown into the Mass Effect universe after a freak slip-space accident. They're mysterious and shady outcasts, keeping to themselves. This might be normal to them, but to the Shepard's crew, they're unknown variables. (REWRITE: ISOLATION). DISCONTINUED, ALRIGHT?

When a member of the elite Spartan Headhunters drops into Korra's world, the young avatar is forced to make decisions that she never would have imagined. Rated M for language, gore, and adult scenes.

Krystal's actions out of spite after the Anglar War destroys Fox emotionally. He has nothing left. Taking a chance that risks Death, he finds a new life. Now...Krystal seeks her true love, Fox McCloud; seeking repentance and forgiveness for her selfish actions. Does Fox still exist? Or has he been completely replaced by Spartan B312

HIGHCOM decided to send the most powerful vessel humanity ever created to investigate a mysterious artifact after being stumbled upon by UNSC Halberd. What mystery that shroud this mysterious artifact? What secrets that it holds? What awaits the crew of Infinity?

What will happen if UNSC Infinity discover a second humanity and exact copy of sol system while investigating a forerunner signal. Will it affect the lives of the second humanity?[Discontinued]

Halo, Wa hammer, to Love Ru what would happen if when Lala's dad should up on earth, the u.n.s.c along with their covenant allies were taken their by a malfunctioning experimental warp drive

Cortana, utilizing the Guardian's Forerunner technology, has traversed backwards in time to assimilate Earth's AI before the UNSC exists. Blue Team and the Arbiter, following them through a slipspace rupture, must stop Cortana before their time is rewritten and erased.

The Covenant mistaken Sera for Reach then the Covenant attack Sera with reckless abandons while the remnants of the COG slowly rebuilding humanity. Everything changes as Marcus and rest of Delta Squad faced off against the ruthless , unstoppable and technological new enemy. But at the same time, Delta squad will soon witnessed the fall of Sera .

Escaping in the Normandy, Shepard and her crew was hit by the shockwave and somehow flung through space and time into another dimension entirely. They end up in 2551 and crash land on a planet under attack by Covenant forces. OC crew member involved. Alternative Universe story.

Two Spartans drop into Korra's world, turning it upside down. Sequel to Headhunters: In the Beginning Rated T for Violence

The sequel to the Legend of Roland... Taking place approximately six months after the events at the end of Legend of Roland, Korra and Roland are thrown into a new fight involving friends and enemies from the stars. Rated T for violence.

A rogue AI becomes rampant, and Huntresses must assume new weapons to combat this threat. But before then, they must learn to walk before running. New skills will be needed to achieve victory. Isolation in the precipice of war. Adapt, or fail.

A spartan drop out now ONI agent is finds himself in the 40k universe in a UNSC destroyer.

"Per UNSC Naval Code 45812, you are hereby conscripted into UNSC's special project code-named ORION-II, also known as SPARTAN II." "So that's how it started. Our time as Spartans. Not through glory or anything like that. We were conscripts, what a way to start a career." Memoirs of Jaune Arc, Professor of Beacon Academy. -Renamed!-

With the Covenant at their door, and with every option coming up short except the Spartans, humanity is desperate for new weapons. At the height of their despair,Halsey reaches back to Earth's past to obtain a power like few others. The only thing is, she's far from the first to access the Morphing Grid. And Master Chief has no clue if being a Ranger is worth the trouble it brings.

New Mombasa was a strategic failure for the UNSC, with a majority of the city destroyed and it eventually getting glassed. Uniform Squad was one of the many ODST squads from the 7th Shock Troops Battalion to perish during the Battle of Earth and New Mombasa. The leader of Uniform Squad awakes in Remnant after a failed attempt at going out with a bang.

In a prison at the bottom of the world, Julian Kintobor awaits his final judgment after years of planning and violence. However, he receives a visit from a respected enemy. Curious as to why it was all done, Kintobor finally admits his motivation, and what's more, what still may be in motion.

A sequel to Collision of Dimensions.

The Sega Hard Girls enter a new game universe, along the way met some new friends and only New Adventure for them. (Halo Machinima Series)

After achieving victory, albeit a Pyrrhic one at that, the UNSC decides pursue a proposal stated by one of its officers to explore a new galaxy, accidentally discovered after the fall of Reach. As the UNSC starts becoming involved in the politics of this new galaxy, another officer, whose position in the military was achieved controversially, starts revealing his top secret.

Noble Six, left for dead but still alive, gets literally bombed out of one shit storm and into another. And now he has to help some brunette named after a flower fight monsters... Because he has nothing better to do, mostly. (Completed, Re-Vamp Sorta Up)

What if I told you things found in video games were real? In 2018, life on Earth is forever changed by peaceful alien arrival. Now, the new Alliance of the Milky Way Galaxy heads to unknown regions unexplored outside of our own galaxy...and finds...life!

When a Viper Scout from the Galactica is transported across the galaxy, what will happen? (Cancelled)