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Chaosium
Fifty Years of Myth, Mystery, and Imagination
Chaosium has been a home of fantasy, horror, and mythic imagination since 1975. From the iconic Call of Cthulhu to RuneQuest and Pendragon, our award-winning games invite players into worlds rich with mystery, mythology, and unforgettable storytelling. With decades of accolades, global recognition, and a devoted player community, we’ve remained pioneers and innovators in the world of tabletop gaming for nearly 50 years.
At Chaosium, everything starts with a story the ones you play, the ones you tell, and the ones you’ll never forget.
Chaosium was founded in 1975 by Greg Stafford, a storyteller and visionary who believed that games could be more than mechanics, they could unlock entire worlds. From the very beginning, Chaosium set itself apart by creating original, deeply narrative games inspired by myth, literature, and the human experience. While others imitated, we innovated.
Our most beloved titles have transported players across haunted landscapes, ancient ruins, and legendary realms. With the intuitive, percentile-based Basic Roleplaying system, we introduced a new foundation for gameplay, one that remains at the heart of our RPGs today.
Fifty years on, Chaosium stays true to its roots: crafting immersive worlds where stories matter, imagination reigns, and myth and mystery are never far behind.
