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.

An Explorator Fleet arrives in the Star Wars Universe at the beginning of the Prequel Trilogy. There is only War.

Issei broken and filled with regrets is transported to a mysterious world. without his boosted gear, must face himself and the horror of this new world. Though he is not alone as Issei shall meet the Emperor's great creationists, his daughters. Equip with a power to rival creations itself. Issei hero of the Imperium and a hero to the broken. LONG LIVE ISSEI HERO OF MANKIND.

Following the War of the Thorns and the Battles for Mordheim and Mount Hyjal several hundred Night Elf Sentinels and hundreds of Alliance Pioneers are trapped in the Empire. Knowing that the Horde had formed an Alliance with Enemies of the Empire, Shandris to save her home, and return successfully must convince them to a join a war they do not know yet that they have stakes in.

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.

A group of xenohumans from the Rimworld universe somehow wind up in the Warhammer one. What follows is a violent, bloody fight for survival. Not that they particularly mind.

a primordial got bored and decided to show the fate of another world to those from a prime timeline.

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

Shirou Emiya from one of the bad endings, somehow managed to escape being dissolved by the grail and ends on warhammer 40k universe, during the unification wars, a new adventure begins.

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.

Newly appointed Rogue Trader Anne Boonchuy is tasked with the exploration of parts unknown! Entering a forgotten system, she and her companions will be tested by the wildlife and inhabitants.

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?

A warrior makes her last stand. A grieving twin makes a desperate gamble to bring her sister back.

A very different Mass Effect galaxy encounters a strange and relentless invader that is on constant hunger for Biomass but they never know it's just a glimpse of what coming for them. Featuring: alternative history for every species, a bigger and more populated galaxy, cunning Asari, militarized and germanized human empire.

What if Kazuma laster a few more years before death took him? What if he was a giant 40k nerd when he met Aqua? What if Eris played Freebootas?

A hundred years passed since the beginning of the Indomitus Crusade. During the Liberation of the world of Vulgas Prime, one squad of Space Marines is hurled into an unknown world. Leading them is Brother-Sergeant Pleiades. Perpetual. Formerly known as Natsuki Subaru. He will bring the Emperor's light to this land. Yet the great enemy is never far behind. Let the Galaxy Burn!

In the year 2012 AD a magical accident on the Warhammer World changes the endless fighting forever. The Wasteland is ripped away through Spacetime and changes place with Earth s Germany. On both worlds, Earth and Warhammer, nothing will ever be the same.