Recent content by Michael O'Brien

Stealing the Eye, our newest RuneQuest release, features this striking cover art by Ossi Hiekkala. The scenario was inspired by Tom Sullivan’s classic cover painting for Gods of Glorantha (Chaosium/Avalon Hill, 1985). Which was in turn a homage to the iconic cover painting by D.A.Trampier for...

Our coming board game Miskatonic Tales: Journey to Innsmouth takes you on three adventures set in and around a mysterious seaside town, well known from the Cthulhu Mythos. You experience the story through paragraphs that describe locations, possible actions, and the consequences of your...

Our friends at the H.P. Lovecraft Historical Society are running a raffle to raise funds for the restoration of the home of famed pulp writer and friend of H.P. Lovecraft, Robert E. Howard (Conan the Barbarian, Red Sonja, Soloman Kane, etc). The Robert E. Howard Foundation maintains his home as...

Calling all creators, fans, and storytellers! Join us at Chaosium Con US 2026 (April 16-19, Ann Arbor, MI) for two can't miss events: Community Content Pop-up store runs Saturday 12pm-1:30pm: Showcase & shop fan-made goodies, adventures, and other creations inspired by Call of Cthulhu...

By Mark Morrison Stealing the Eye is out this week in PDF. It’s a heist adventure for RuneQuest written by Todd Gardiner. It’s huge fun, and a perfect one-night session for both new players and seasoned Gloranthan veterans. Four pre-generated player characters are included, but it works just as...

QuestWorlds is coming out in hardcover, and to mark the release we're having a Virtual Block Party on Discord! Please join us on February 24th at 12:30PM ET. Join the Chaosium Discord here. Quest Worlds Rules-lite roleplaying: QuestWorlds offers a complete, rules-light system focussed on...

Please note, as with The Hunt for the Storm Calf this is a digital-only release. They are both destined to be part of a larger scenario collection we're working on that will indeed have a print release. But that's some time off. In the meantime, go play some RuneQuest! – here's a hint of what...

The temple to a now-forgotten local Earth goddess has been rededicated to Yara Aranis, the Goddess of the Reaching Moon—can the adventurers undo this cruelty? Stealing The Eye contains everything you need for a riveting adventure of stealth and vengeance! Designed for new players, this scenario...

Chaosium is coming to Armageddon Expo, Aotearoa New Zealand’s most exciting Science Fiction and Entertainment convention. In fact, we'll be there twice: Wellington, April 3-5, and Auckland, April 25-27. We'll have a booth, demo games, and will be participating in panels and more! We'll also be...

What's coming from Chaosium in the first half of 2026? Check this out! Stay tuned for more info on each as we get closer to release! Which one are you most excited for? Please note there are some other releases planned (including for our fiction and nostalgia lines) that we have not finalised...

'The Cursed Farm' is a demo scenario that introduces Age of Vikings, our new roleplaying game of adventuring in Iceland in the year 977 AD, the era of the Icelandic sagas. Players are heroes, landowners trying to earn fame and glory in a world full of magic, monsters, and myth! And it's now...

Over USD$164,000 raised for the World Wildlife Fund! Grateful thanks to the 55,000 Call of Cthulhu fans new and old who have bought the Humble Bundle Call of Cthulhu collection, and good luck in your investigations!

The heart of the kingdom at your fingertips... The Pendragon: Gamemaster Screen Pack releases next month! Stay tuned for more info. What Kind of Knight Will You Become? Pendragon is Greg Stafford's award-winning Arthurian roleplaying game. As players you take on the role of knights following...

SAVE THESE DATES! These are the four Chaosium Cons we've announced (so far) for 2026: CHAOSIUM CON US – April 17-19, Ann Arbor MI (badges now available) CHAOSIUM CON UK – May 21-25, Cranfield UK (badges now available) CHAOSIUM CON EU – Oct 30-Nov 1, Gdańsk, Poland CHAOSIUM CON NEW ZEALAND –...

02/08/2026 - Ab Chaos #299: Announcing a new Chaosium Con for 2026 – Chaosium Con New Zealand!