Blog
Mike Mason, Lynne Hardy, and Keris McDonald are special guests at Cave Con (7-8 Nov, Nottingham UK)
Posted by Michael O'Brien on 4th Sep 2026
Chaosium creators Mike Mason, Lynne Hardy, and Keris McDonald are special guests at Cave Con, taking place on November 7-8 at the historic Old Salutation Inn in Nottingham UK, the "City of Caves". Also attending as a special guest is ENNIE-award winning Miskatonic Repository creator Jayson Green.
T
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Watch our Time Without Tide Trailer, voiced by Mark Meer
Posted by Michael O'Brien on 3rd Sep 2026
Mirth and Misery in a faux-Victorian post-appocalypse! Our Time Without Tide Backerkit campaign is live!
The narration for this trailer was performed by Mark Meer.
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Table Tales: Tell Me About...
Posted by Michael O'Brien on 2nd Sep 2026
By Mark Morrison
A few weeks ago I ran one of the best RuneQuest sessions of my life, and trust me, I’ve seen more than my share of Sacred Times. What made this particular game sing was these three words:
“Tell me about…”
“Tell me about Glorantha” is something t
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It's time to delve into the Fog... Time Without Tide, our latest TTRPG, is live now on Backerkit! (and funded in 13 minutes!)
Posted by Michael O'Brien on 1st Sep 2026
The moon has fallenThe Age of Decadence has ended.Monsters lurk in the fog.Soon, they will devour us all.
TIME WITHOUT TIDE is a brand new tabletop roleplaying game from Chaosium. It’s a game of exploration and adventure in a foggy, faux-Victorian post-apocalypse. Blend character-driven intri
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Two weeks only - huge savings in the Chaosium Fall Sale!
Posted by Michael O'Brien on 31st Aug 2026
Step into a world of horror, mystery, and imagination with the Chaosium Fall Sale!
Save up to 40% on core rule books and starter sets.
Save 20 - 80% on many, many other Chaosium titles.
Two weeks only, while stocks last! Ends 11.59pm ET 13 September.
SHOP HERE
Shipping Notes
All prices are in
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Hoist your lantern and ward off the fog! - the Stream of Chaos team get back together to play Time Without Tide
Posted by Michael O'Brien on 30th Aug 2026
The award-winning Stream of Chaos crew have gotten back together to play our new TTRPG Time Without Tide!
Created by Stream of Chaos cast members David Naylor and James Coquillat, Time Without Tide is set in a Victorian-era post-apocalypse where the world is shrouded by a creeping fog that magicall
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Chaosium Unveiled: Innsmouth
Posted by Michael O'Brien on 29th Aug 2026
Chaosium Unveiled looks at Call of Cthulhu Innsmouth – the definitive guide to the rotting seaport town—one of the most iconic settings for Call of Cthulhu.
A Sandbox Campaign Setting with Secrets to Uncover
An essential resource for Innsmouth-based scenarios as well as campaigns within
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The Problem with Pinochle | Call of Cthulhu LIVE at Gen Con 2026 with Ross Bryant & Felicia Day
Posted by Michael O'Brien on 28th Aug 2026
Our friends at Push the Roll with Ross Bryant went live at Gen Con 2026 for a completely improvised game of Call of Cthulhu!
Ross Bryant was joined by Felicia Day, Josephine McAdam, Paula Deming, and Corbin Cupp for 'The Problem with Pinochle', a scenario created entirely on the spot from a title
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