The Master Chief didn't expect to fail his mission, or be flung into an alternate earth with an alternate timeline, and he surely didn't expect to be the host to a group of monsters. Luck really did have a plan in store for him.

What if Louise did Summon Saito, but he's from the Halo Universe, and he was acutally named SPARTAN-III Saito-150. How would his presence affect Halkegenia, would things change a bit or will it remain the same?

A ship that was 'Lost with all hands.' A ship that was well past her prime that continued to fight. A ship that now finds herself far from those who crewed her and even further than the war she knew. But Humanity was still under attack from an alien force and she knew how to combat that all too well. She'll show both the Sirens and Ship Girls why she is Humanities’ Spirit of Fire.

During the 1st battle of Harvest in 2526 John-117 is nearly killed during combat and taken out until further notice. After a series of events though, the UNSC Everest discovers an unknown planet. The strangest part of it all is that it hasn't been touched by Covenant as of Yet. John's orders have changed from fighting on Harvest to entering the world. [DISCONTINUED]

The Master Chief's life had ended at the destruction of the Infinity due to a traitor on board. He awakens in a new world with warriors known as Shinobi and being claimed as the Pillar of prophesy by a god. Now it falls under Chiefs choices. Will he ensure the prophesy in this new world safety and finally gain his sense of humanity, or will he leave it to a grim fate?[DISCONTINUED]

What will happened if the People of the Overwatch Earth react to the people of the Halo World while the crew of the UNSC Infintiy investigates a forerunner signal? Will it affect the lives of the Second Humanity?

After Master Chief and Cortana crash-land on a strange planet following Operation: BLIND FAITH, they receive help from some of the locals: Aang, Katara, Sokka, Toph, and the rest of Team Avatar. Meanwhile, the war with the Fire Nation may be over, but the Gaang will need Chief and Cortana's help against a new threat: A powerful dark spirit bent on destroying all of humanity...

The okayest crossover ever

He has always been the hunter the wolf among his prey killing them as he wants. Now after he lost his pack and alone once more he is now being stalk himself. And this predator has been hunting a lot longer than him. Now its a life and death situation where anything could happen to our lone wolf. On Hiatus

During Euphemia's proposed SAZ talks, the UNSC Infinity landed into the Tokyo Settlement. What if the crew of the UNSC Infinity discovers a second humanity, an exact copy of Sol System, but history is different. How will the people of Code Geass react to this?

Oneshot: More than one culture in the galaxy had conceived of something resembling angels. More than one culture had conceived of something resembling Hell. Coincidence? Or was there truth behind the myth?

Spartan's found only to be lost. A ship filled with humans in a galaxy not their own. The Spirit of Fire finds itself with new allies in a galaxy they are unfamiliar with, dealing with its own set of problems and apocalyptic enemies. Co-created and written with BulletStormX

Casi 10 años después de la guerra humano-Covenant la humanidad quiere herida, pero no muerta intenta reconstruirse y expandirse para cubrir lo que alguna vez fueron muchas de sus antiguas colonias vitrificadas, esa expansión los llevo a un mundo llamado Remmant y otra lucha por venir

What happens when two universes collide, a pair of ridiculously dedicated warriors used to fighting entirely different wars, now forced to work together thanks to circumstance? Maybe friendship, rivalry, romance, or professionalism. Regardless, the enemy is going to die. Commissioned by mcxh-raildex, art from paradox828, both on DeviantArt. Discontinued commission, sorry.

After Noble six died on Reach she wakes up in a different world with no understanding of its working but could only blame her bad luck from making things bad to worse. Couldn't she rest in peace after she died? With no one but herself to rely on and aliens everywhere, how will she go about to live a peaceful life alone and spill no more bloodshed when she is hunted down for her MKV

A fleet lost, displace after a bored omnipotent being decided to send the fleet into another universe. Now the fleet will have to find its way back home and help finish the fight. (Crappy summary, unless someone can make a better one for me that would be nice.)

(CANCELLED) Things go according to how they went in the canon story. The Trio bullies Taylor, culminating in the locker. But when she was supposed to be hooked up to QA, the world that her shard was on had undergone a Flood.

Jun-A266 (aka Noble Three) is transported to a distant world, far away from the horrors of the Human-Covenant War, only to be dragged into a galactic rebellion by a farm boy and an old hermit.

During the creation of the Gate it had appeared on Spark's Halo ring. Other than attempting to claim the ring as theirs they had also stolen something that was left to him. Now with aggressive force he will take it back from the other side no matter the cost and take care of whoever gets in their way. (Characters to be added)

Spartan Drake Hendricks, formerly Drake-064, was screwed, and he knew it. So when the Slipspace portal he jumped into malfunctioned, meeting the essence of a long-dead Forerunner was the last thing he expected. Next thing he knows, he's uploading his mind to a four-story tall mech and fighting a war he knows nothing about. At least he's doing what he does best, right? !ON HOLD!

In this story, Izuku is born with a rather unique quirk, on the surface it seems to be a normal quirk, however, as he grows up, it becomes apparent that is quirk is not based off of everyone's initial guesses. Because of this unique quirk, many things will change. How will he deal with his instinctual need to be with someone at all times? How will society react to Izuku Inui?

Contains characters from my story "Fireteam Scimitar", and takes place a few years after Destiny's Red War. Following a lab disaster in the Halo realm, a Spartan-turned-Guardian is sent hurdling into another realm. After making a deal with the new realm's leaders, he founds the Sentinels, a group of elite fighters from other realms whose purpose is the defense of the multiverse.

Synthesis has been achieved, and now, the Reapers move to help rebuild...except one. Harbinger, amazed by humanity's success, moves to aid humanity. Now, brought to this world by one called "Librarian", Harbinger must use all his cunning to protect humanity from the greatest threat it's ever known...He also must now face something he never faced before: emotion...

Retiring from bounty hunting and returning to Mandalore after the Battle of Geonosis to fight the resurgent Death Watch, Jango Fett once again leads the True Mandalorians in battle as Mand'alor.

Reclaimers are almost non-existent on Remnant, but they are there. With a Monitor looking for new ways to eradicate the Flood and a world filled with creatures of Darkness and Dust, a young man must do what it takes to survive. With weapons and armor previously unseen, what impact will he have on this small and isolated world? (Rating may change further down the line)