There are many things one can prepare for; genocidal, synthetic-AI hell-bent on the destruction of galactic civilisation? Shepard had already mapped out 10 contingencies for that probability. Being transported by a Reaper artifact into an entirely new universe? Well...it may hold no bearing here, but she's prepared to show this new universe how she got the title "Butcher of Torfan"

[I'm back! Maybe. I intend to update soon.] The Initiative embarked upon a journey of 2.3 million lightyears and 600 years. They awoke to a galaxy already full of living, sentient species. They will soon find, however, that they are not the first to journey between galaxies, and that they have followed the path of another's Great Journey. Halo and Mass Effect: Andromeda.

Humanity survived last time it was threatened, but now it faces a new enemy millenia later: the Darkness. What happens when all seems lost and our enemies are beating at the gates of Earth's Last City? What happens when our saviors are those who have fallen once before, and now our new Guardians are those who are only ever Missing in Action? (M for Possible Future Content)

Thessia has fallen and is now shadowed under the banner of the UNSC Eagle. Humanity rules the Asari homeworld with an iron fist. There are many stories that can be told during this dark time. Here are a few from those who were there, accounts from both Human and Asari, Soldier and Civilian, Freedom fighter and Collaborator. (Side Story Prequel to A Dark Rising).

Massively AU. Halo/Mass Effect merged continuity. The galaxy, like much of the universe, is in a constant cycle of birth, destruction and rebirth. No guarantee our civilization is any different. We know others have come before us and perished at their height. What destroyed them? Could it destroy us as well? One human might be our savior, but he needs to grow up a bit first.

Strange as it may sound, they both had met before. A society of fanatics hiding from the truth and a man designed only for destruction. No matter what answer's they were looking for, neither of them would like what they found.

It's been five years since the Ark, the Dawn adrift in the endless sea of black, nearing a temporal anomaly Cortana wakes up the Master Chief but they fail to escape, now trapped on a planet with no way to contact the UNSC the Chief and Cortana must do their best to survive and discover what they can about this new planet.

The UNSC colony of Avalon is under attack by Citadel forces just before a Covenant crusire arrives. AU set in the opening years of the Human-Covenant war. UP FOR ADOPTION.

A UNSC/Sangheili expedition to the Andromeda galaxy leads to the creation of a fertile and golden world know as Cresh. A first contact between the UNSC and the Rebel Alliance leads to cooperation between the two forces, but the threat of the Galactic Empire looms over the fragile human colony. Intergalactic war seems inevitable. INCOMPLETE: More, longer chapters will be added.

An ONI spartan 3 is sent to SW universe, now he will work as a mercenary in this new universe to survive.

just a codex I made that anyone can use, but to add things must be verified by me

Batman goes to the future to fight Master Chief.

A planet under UNSC control have been raided by the Dark Eldar Kabal of the Bleeding Rose. The survivors of the attack has taken refuge on New Marais City, the last standing city left. As help comes on the way, the remaining Marines and ODSTs should survive 15 days of horror and nightmare first before relief arrives...

When Heavy is frozen in ice by the complete opposite of the Pyro, he is frozen for 5890 years, he finds himself roped into an intergalactic war. He teams up with the professional bad ass, Master Chief, to fight the Covenant. But the two have to now fight a all out war as another alien race tries to take over. Hopefully 2557 can handle Heavy Weapons Guy.

The Abyssals. Well, they came from the ultimate abyss, the void of space. What else would we have called them? They were the Covenant all over again, unstoppable, burning planets in their path. All fell before them. There was no hope. Until one day, they came. "UNSC FFG-201 Forward Unto Dawn, reporting for action." Lets hope we can train them all.

En la inmensidad de la Guerra Humano-Covenant, Hiccup abandona Berk para en-listarse en sus filas sin tener idea de que esta decisión cambiara su vida para siempre

"One single Flood spore can destroy a species." - Rtas Vadum. And so a single Flood spore shall arrive, in the world of Halkeginia, where it shall destroy a species, one mage at a time. Can the Halkeginians combat this threat? Or will they perish just as all the others have? Let us see, just how large, the monument to all their sins, will be… Cover Art By: GamingHedgehog

The UNSC/Covenant war is over. The UNSC, Covenant, and Prometheans have joined to create the Republic of Sentient Species and are now an almost galaxy-wide power. Still, with the discovery of a device in space, and learning of a new enemy, will the RSS be able to react in time?

An X-Over of Mass Effect, Halo and Pokemon. This is actually an X-Over of two separate stories, Of The Future And Past by IAnswerToNoOne and the 'Omega' series, by OmegaEntertainment. The actual authors are the ones writing it. Please enjoy the insanity that we have written.

Four universes, one battle. The Galaxy is being thrown into an apocalyptic struggle, and the few who survive may not live to see a better tomorrow. Star Wars, Gears of War, Halo, and Transformers, all have one thing in common. They're about to go to war.

Found in cryo-sleep on the Ark where he stayed behind in a vain attempt to buy the Master Chief time to escape the exploding Halo ring. Naruto Uzumaki, a veteran of the Great War thought to be KIA in the last battle of the war is reinstated and ordered to guard the Ark. Months later the Ark is a battlefield as Atriox and his Banished fight for control of the Forerunner World

This is the sequel to Balaho Effect by Oledom, Unggoy Will Rain supreme and the Council WILL fall. But during all the battles, during all the death, an old evil awakens... its not the flood.

In the Year 2142, Unggoy explorers on Buwan discovered the remains of an ancient spacefaring civilization. They called it the greatest discovery in Unggoy history The civilizations of the galaxy call it. Mass Effect

trata siglos después de los eventos de halo

Blue Team (Halo), Normandy (Mass Effect 1-3), Straw Hat Pirates (One Piece), Rias Gremory's Peerage (High School DxD), etc. characters from anime and games are transported to a new universe. A universe which is controlled by Kingdoms. When they arrive, each group was separated. What'll happen when all of these characters are out facing each other?