Chaosium was born out of fiction—company founder Greg Stafford discovered his mythic world of Glorantha through his writings. Only a few years later, Sandy Petersen turned H.P. Lovecraft’s most famous

LANDS OF RUNEQUEST: SARTAR -- Releasing October 14th 2026 -- Sartar is Free! Lands of RuneQuest: Sartar is a setting guide for new players and gamemasters, presenting the Kingdom of Sartar, newly-lib

Create & Play Characters Anywhere with Roll20Just in time for Halloween! Now, you can create free unlimited characters outside the virtual tabletop for Call of Cthulhu and Pulp Cthulhu using Roll20 Ch

Gen Con ONLINE 2023 takes place at the same time as the in-person event in Indianapolis, August 3-6. And through our Cult of Chaos gamemaster program, we'll be running online gaming sessions. Gencon O

In the Gloranthan calendar, Sacred Time comes at the very end of the year. It marks the joyous time when communities gather together across the world to celebrate building the cosmos anew for a new ye

Whoa!—our ElfQuest Kickstarter reached its funding goal in less than 10 minutes. And half-a-day in has already hit $100K. Impressive. Humbling. Thank you to everyone who has supported so far! Fortunat

The BRP Systems Reference Document (SRD) contains guidelines for publishing content under the BRP Open-Gaming License. The Miskatonic Repository and Jonstown Compendium also provides self-publishing...

Okay, they are not RuneQuest Classic titles, but 13th Age Glorantha and The Glorantha Sourcebook are both 50% off in DriveThruRPG's RuneQuest Classic Sale, running this week only.13th Age Glorantha en

Chaosium President Rick Meints shares stories from a life-time as a collector of all things Chaosium.In the late 1970s Greg Stafford ran an ongoing RuneQuest RPG campaign, which generally became known

Dark Schemes Herald the End of the World — our friends at Gehenna Gaming are just about to embark on playing Masks of Nyarlathotep, the classic, globe-trotting Call of Cthulhu campaign widely consider

-- ARPIA Winners Kat Clay (l) and David Waldron (r) with Chaosium vice president Michael O'Brien (c) --Congratulations to Chaosium community content creators Kat Clay and David Waldron, who won awar

Some reviews about our game lines in general show the gratifyingly high regard in which they are held:GLORANTHA"Glorantha is one of the richest and most vivid created worlds in fantasy, a world where