Our first game was the fantasy wargame White Bear & Red Moon, followed by our first magazine Wyrms Footnotes. Since then, we have published over 700 more games and supplements, including RuneQuest, Call of Cthulhu, Basic Roleplaying, Pendragon, ElfQuest, and Rivers of London, to name but a few.
From our humble start in the San Francisco Bay area, with the passing of each year, and with the debut of each new game, the company’s impact has quietly spread around the world. Alongside of that, and most importantly, the number of people who joined our Chaosium community also quickly grew.
Each Chaosium game, and each book has its own unique story worth celebrating. Describing all of those games, the awards they’ve earned, and all of the interesting times the company has faced since 1975 could fill many pages. Inevitably, one cannot help but speculate about what Greg himself would say on our 50th anniversary: "Gee, guys, whatever you do don’t make it all about me!", and then he would remind us that "We are all Us."
-- Chaosium 50th Anniversary display case at Gen Con 2025 --
Whether your fondness of, or connection to the company began yesterday, or decades ago our success all comes down to you. Our wonderful community, the Chaosium Tribe, is our greatest accomplishment. Without all of you the Chaosium would not be the thriving company it is today – the oldest ongoing roleplaying publisher in the industry – with so much to be thankful for.
Thank you all for joining us to celebrate our 50th Anniversary. Thank you for your passion, your creativity, and for your support. We look forward to the next 50 years, and the many stories we will create together.
— Rick Meints, President of Chaosium
-- Chaosium's founding documents, as preserved in the company archives --
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it was 50 years ago today 
