Recent content by Michael O'Brien

The 7th Sea 3rd Edition Kickstarter is live! And fully funded! We announced last year that our friends at Studio Agate had taken over the development and creation of the legendary role-playing game 7th Sea, marking the beginning of a new era for the iconic game. And now they've hoisted their...

Christopher Dean was looking for a new roleplaying game to play where setting and lore matters. After discovering the Age of Vikings RPG and deciding that fit what he was looking for, he took part in this year's New Gamemaster Month, before taking a group of his friends into the world of the...

Today (March 8th) is International Women's Day – a fitting date to commemorate the 40th anniversary of the Hawkmoon roleplaying game and its lead designer, RPG trailblazer Kerie Campbell-Robson. In 1986, 20 year old Kerie was one of the very first female lead designers in the industry. And...

We announced last year our friends at Studio Agate are the new developers for the 7th Sea roleplaying game, under license from Chaosium. A new third edition of the game is coming soon to Kickstarter, the start of a new era for the iconic swashbuckling game. Watch the trailer for the new edition...

It is 1917. The world is at war. On the home front, Australia is wrestling with rapid technological change — aviation promising both thrilling progress and terrifying new forms of warfare. Then the sightings begin. Strange shapes moving through the clouds. Lights flickering across the night...

The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look. No Time Scream won Best RPG Supplement in last year's Origins Awards. This collection of three short-play scenarios for Call of Cthulhu is by Chaosium's Bridgett Jeffries and Brian Holland, and...

We're delighted that four Chaosium titles have been announced as nominees in the 2026 Origins Awards. Congratulations to the creators involved in these works! Age of Vikings (Pedro Ziviani) – Best Roleplaying Game Pendragon: Gamemaster's Handbook (Greg Stafford, David Larkins) – Best...

Over 1700 Chaosium titles are up to 40% off in DriveThruRPG's GM's Day Sale. And the Pendragon Gamemaster's Handbook is 50% off! For the next ten days.

Congratulations to Bridgett Jeffries! Our Community Coordinator has been honored at the second annual Inspirations Awards at GAMA Expo 2026. These awards honor those whose contributions are benefiting the tabletop community, whether nor not they are members of GAMA. Nominees are interviewed by...

Do you want to hear all there is to know about our coming Cthulhu by Gaslight release Dust and Blood? Submit your questions for our upcoming AMA with the design team! Ask your questions here: https://buff.ly/brnwukf

Chaosium Con Ann Arbor 2026 event registration is now open!. If you've got your badge, you can start signing up for events! Yes, that includes those highly coveted VIP Events! And there are badges available if you'd like to join us for a weekend dripping with cosmic horror, essential runes...

Artist John Sumrow shows his magnificently eldritch cover painting for the forthcoming new edition of Daniel Harms’s Encyclopedia Cthulhiana, which will be released in the second half of 2026. First published by Chaosium in 1994, the Encyclopedia Cthulhiana: A Guide to Lovecraftian Horror won...

Hear ye, hear ye! The Pendragon: Noble's Handbook is packed with new rules markets, manors, castles, family events, creating Player-ladies, and, of course, horse breeding! The beautiful tome will be available in standard and collector's edition in May. What Kind of Knight Will You Become...

02/26/2026 - Ab Chaos #301: Out now in hardcover – QuestWorlds, rules-light roleplaying; Plus our Guests of Honor announced for Chaosium Con USA in April

"The Miskatonic Repository has allowed both new and established authors to self-publish material for Call of Cthulhu under licence from Chaosium. It has proved immensely popular, and there are now more scenarios published there than any mortal could hope to play in their puny human lifespan,"...