An idea from one universe enters another, it takes shape into a new god, the Machine God. The Olympians are in for a hell of a time. Glory to the Omnissiah in all his splendor, may we be blessed.

The sci-fi fantasy crossover to end all sci-fi fantasy crossovers. Star Wars? Got it! Warhammer? Yes we do! Halo? You bet! Dungeons and Dragons? Also on my list! Oh look, there’s also stuff from Mechwarrior, Transformers, Marvel Comics, Avatar, RWBY, and lots more! Time to combine all those universes into one!

The Terran Empire, after nearly 140 years since The Exploration of Irene into another Galaxy, Life has moved on in the Hellas Galaxy, But everything changed when The heir to the Imperial throne Sarah Beatrice Smith gets sucked into a Portal and into the hell that is the 42nd Millenium, Will Sarah and her Empire be the very thing that Damns the Imperium or saves it?

Some destinies are written out centuries, or even millennia, ahead of time. However, when destiny is derailed, new plans have to be implemented. Sometimes, that involves ripping someone away from the peaceful end they seek and thrusting them into a tide of never-ending war in order to fix what can never be repaired.

What if after the battle for the Omnitrix on the movie 'Ben 10 The Secret of Omnitrix', Vilgax actually never was re-descovered on his galaxy, but on a totally new and distant galaxy of his? What kind of disasters this being might bring to the forces of 40k? or what kind of reflections this would make him have? Lets find out.

The Reaper invasion is nigh. Outnumbered and outgunned, the Citadel must turn to two new, dangerous allies for salvation: the Adeptus Mechanicus and Imperium of Man.

Tanya in 30k as a Primark, (we're just having a good time here, having fun with the concept don't think too hard about it)

Jesse Shepard was a lot of things: A solider with a shady past, a son, and a brother With the threat of the Saren and the Reapers hanging over his head, he discovers a secret that will shake not only the foundations of the Alliance but the galactic community as a whole. Meanwhile on the Citadel, stalks the lower wards leaving Caroline Shepard and her new very strange partner to fi

In an age long before 40K, there existed a child that was created not by parents but by Fate. This child would be seen as a liar and deceiver on the Triwizard Tournament. Wishing power and to make those in charge pay for wishing his death, Harry Potter uses a ritual to gain untold magic. There are plots to create and unweave in this Tournament. (Evil Dumbledore and Weasley family)

What happens when something the ancient warrior wizards put to rest is awoken by a set of situations meant to be the truly last resort to not only save their line but that of the universe? Ron bashing, New Dumbledore bashing and gratuitous amounts of violence and swearing this is harry potter as I imagined it you don't like it don't read it.

A derelict vessel wanders the stars... unknowing of the dangers that haunt them...

The Emperor wasn't sure how he ended up in a different universe, or what the parasite leeching off Humanity was. But he was the guardian of Mankind, and there was at least one person on this world worthy of taking up his mantle.

They came from the west, over the Sunset Sea from shores beyond imagining. Such riches, such strength did these people bring with them...

A Psi-titan of the Ordo Sinister finds it's way to Tokyo-3 after a warp incident. The second millennium will never be the same.

Several groups of xenohumans from the Rimworld universe somehow wind up on a world in the Warhammer 40k one. What follows is a violent, bloody fight for survival.

In the far future, there is only war. Now, as the world of Cadia begs for aid, a squad of Space Marines belonging to the Iron Snakes Chapter have lost their way in a Warp Storm. The Warp is vile, and its actions can never fully be understood, so much so that interconnections to strange and foreign realities may exist.

Due to circumstances neither side understands, the entirety of the SCP solar system has been transported to the 41st millennia. How will the Foundation deal with the grim dark future of the 41st millennia? How will the Imperium of Man deal with the new horrors at their doorstep?

Después de los eventos del portal y el sacrificio de la reina Ángela, algo ha encontrado Etheria y pondrá el destino de dos mundos en las manos de alguien inesperado. Poderes antiguos han despertado. Los Vientos de la Magia soplan y pronto se cernirá una era de horrores y maravillas. De dioses y héroes

In an unexpected and highly unlikely turn of events, a catastrophic warp breach from a crippled ship manages to fling a Rogue Trader - or rather, the youngest son of a Rogue Trader - through time and space to a universe quite unlike what anyone on-board in used to. They make the best of the situation.

Morality and mercy are easy concepts to follow when there are no risks involved. But it will always come a day where it's not easy, when a person must choose; to die honorably like a hero, or to do the unthinkable and survive. So tell me this. Stranded and all alone in a cruel land inhabited by men that despise mercy and compassion, what will you choose, Raven? To die? Or to live?

The day before the spring summoning festival, a desperate girl is gifted a tome from a formless voice, claiming its contents will aid her. Will the ancient books help come through or is the eight pointed star on the cover an ill omen.

The Lichemaster mysteriously dies in a very inconvenient set of circumstances. To salvage the Barrow Legion, one of his acolytes summons a replacement. Fortunately, she succeeded in this endeavor. Unfortunately, he is not exactly what she was expecting, especially considering he was from another world.

Lord Inquisitor Richard is stuck within the creation of the Great Rift and ends up stranded along with several other Imperial vessels in orbit of Remnant. He's lucky to have the high-quality forces of the Space Marines and the Adeptus Mechanicus, but only time will tell how he handles the trials and tribulations drawn and lured towards Remnant...

'So this is how it ends huh' thought Summer as she lay broken on the ground, her beloved weapon lying next to her broken in 3 pieces. She tried to think of more, but she found that her mind was already leaving her as the cold embrace of death began to take her. 'NOT THIS TIME, SUMMER ROSE' a distorted voice said

When Da Great Green Prophet (after a mushroom ale/Waaagh Magic induced coma) gets a message from Gork N' Mork telling him to create a world-travelling gate and gathering ALL Greenskins to witness it (and eventually go through it) he does it. And soon, the Greenskins of the Old World find themselves wraped up in the ancient struggles of the "Newa World". How exactly will this end?