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Welcome to Chaosium

It's easy to get started!

Head over and check out our getting started page where you can learn about each of our games

  • You can begin an investigation to uncover forbidden knowledge with Call of Cthulhu.
  • If mythic fantasy in a rich and unique Bronze Age world takes your fancy, then RuneQuest is the game for you.
  • Swashbuckling fantasy? In 7th Sea you'll embark on a heroic adventure!
  • Be invited by King Arthur to join the Knights of the Round Table in Pendragon.

Get Started


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.

Our award-winning roleplaying games, board games, and fiction are praised as being some of the most engaging and innovative of all time.

With Chaosium games, you too can dream the dreams of dead gods, and help construct the universe from its essential runes.