What happens when you cross a greedy programmer with a Game System, give them a class that mirrors coding, and throw them into the Overlord world a month before Nazarick appears?. A bit AU because I want to make the world more detailed, I won't change stuff, just add some details. Now in Warhammer 40k. !I don't own the things in this fanfic except for my OCs!

This is fanfic of the Overlord Anime/Manga. I don't not own either. Ainz Ooal Gown wasn't only player to get sent to the New World.

What happens when a bored Random Omnipotent Being decides to isekai a bunch of discord users from The Grand Library of Ashurbanipal as their pfp into Nazzarick? Well, read on to find out... Crackfic warning for anyone not into that stuff...

So lets change the plot line of this story, mk? So another player transferred, but not to the same world, but the Multiverse. Quickly hired, with NO FORCE OF ACTION, by a ancient primordial being, to hunt down and eliminate anomalies around the multiverse. Of course, that came in with a much bigger challenge than he has ever seen... (X-Overs)

Just a bunchs of random ideas I can't get rid of from my head but too lazy to write.

MOTHER OF LEARNING x OVERLORD : As Zach and Zorian continue their search in hope to find the answers of the time-loop they found themselves stuck into, they stumble upon a name that would change their destiny. An entity that would bring unparalleled despair, that of which even the calamities of old would come to fear.

A new face arrives in the New World. A stupid one, that is. And he makes everything more complicated with his idiocy.

It's a story about a guy being transported to a new world... You'll have to find out the rest in your own.

Momonga stayed logged in till the very end, but,, instead of being forced logged out, or even instead of even being send to another world, he was caught in an abnormality in reality and now he is trapped in a place with just nothingness, a place without anything, a place for to be called an Abyss. (First story, please give it a try) (This entire series is non-serious)

Mythos Hearts and Fatebreakers finally collide in this amazing tale. However, their meeting has taken place during a point when Nazarick will make itself known to all the worlds. How this will effect their meeting is up to chance.

Mythos Hearts along with Spirit Force arrive in Nazarick as a number of events begin including a war with the Lizardmen and some dealings with a shadowy organization. What will transpire here?

Based on Sonic's Ultimate Harem. Sonic's sexual endeavors shock and bewilder reality. In response, the Blue Blur reforges everything to his image. He faces resistance in his created world, and wages war. Ten years later, the resistance summons a Savior to end the war, but he brings his faction with him. Three sides now battle for reality's fate.

After accepting a new intern, said intern and three adventurers head to E-Rantel to face off against a vampire. However, they see that some heroes a not quite...human.

A Young guild master is transported to the Marvel universe on Mars. He Characterizes his npcs as his favorite anime, fictional, and mythical characters. Help me of you can, don't be a dick. Please I know In not the best writer. Hope you enjoy it.

in the story as the story goes on

The end of YGGDRASIL marked the end of an era of video game history, but also the beginning of great changes on different worlds as the beings from the game are scattered across the multiverse. However what kind of changes they will bring is all up to them. These are stories of less fortunate fates of worlds caused by this event Collection of OC-centric oneshots, M for dark themes

These are just ideas I've come up with in hopes someone would be interested and make it happen. Just me sharing my thoughts on what crossovers should happen.

Just a few of my crazy Overlord Crossover ideas. Free for use. If you have any other ideas what you want to share write into the comment section.