The home of mythic adventures

The Chaosium was founded by visionary game designer Greg Stafford in 1975. For more than forty years, Chaosium has captivated gamers, readers and mythic adventurers worldwide. Its award-winning roleplaying games, boardgames and fiction have been acclaimed as some of the most engaging and innovative of all time.

Learn More

New to roleplaying?

It's easy to get started

Head over and check out our "Getting Started" section where you can learn how to play our amazing games! Want horror? Try Call of Cthulhu. Mythic fantasy? RuneQuest. Swashbuckling adventure? Try 7th Sea. Arthurian legends? Try Pendragon. Epic storytelling? Try HeroQuest Glorantha.

Get Started