Significant Streams is a new feature on the Chaosium news blog where we highlight actual play streams, podcasts, and YouTube channels featuring Chaosium games that we think are worth checking out.Ain’

By Mike Mason, Call of Cthulhu line editorChaosium is in the process of working on a newly revised and updated version of the classic Call of Cthulhu world-spanning campaign - Masks of Nyarlathotep.Wh

Call of Cthulhu's Horror on the Orient Express has long been revered as one of the most iconic and acclaimed horror campaigns in tabletop roleplaying — so we're very excited that a new board game adap

Join the fun (and madness) of the free online Miskatonic Repository Con 2025 by submitting your Call of Cthulhu games now through October 5th. Player sign-ups open September 20th. If you're a Call of

Check out the Call of Cthulhu investigator sheets based on the ones created by the characters Molly, Nightingale, Abigail, and Indigo from Ben Aaronovitch's Rivers of London novels.Rivers of London RP

Collected Wisdom on Running Games! Marking the 40th anniversary of Call of Cthulhu, this is a gathering of wisdom, advice, and tips from Keepers for Keepers. Our pocket-sized guide to running games of

We're delighted that two Call of Cthulhu actual play shows have been nominated for Best Streaming Content in the 2024 ENNIES Awards: William Bailey's Haunted Mansion and Twelve-Sided Stories: Otherwor

On Tuesday April 19th, we're showcasing the wonderful Harlem Unbound 2nd Edition by Chris Spivey! Join London Carlisle, Briana DeCoster, Jesus Rodriguez, Kelli Butler, and Brandon O'Brien as they vent

Come see Chaosium at PAX Unplugged in Philadelphia (Nov 17 -19). You'll find us at Booth #103, just down the aisle a bit from our friends Petersen Games (#303) - that part of the dealer hall will be a

New on the Miskatonic Repository! Collections of forms, images, play aids and documents from Chaosium. These make awesome props in your own Call of Cthulhu games, PLUS you are welcome to use these t

Back for 2025! The Miskatonic Repository Halloween Collection brings together a diverse range of scenarios from independent Call of Cthulhu creators, all at 60% off until November 9th. There are so m

Catch up with Chaosium at PAX Unplugged in Philadelphia at the end of the month!We have a booth (#1941) with the latest releases for Call of Cthulhu, RuneQuest and other Chaosium lines. Rick, Ellie, T