Your gateway to mythic adventure
Chaosium Inc. (chaosium.com) scores 86 out of 100 on Brand Analyzer, placing it in the Strong Brand tier among Media & Entertainment brands, Other brands, in the 83rd percentile of 7487 Media & Entertainment brands.
Chaosium Inc. is a tabletop game publisher founded in 1975 and headquartered in Hayward, California. It produces roleplaying games, board games, and fiction, best known for titles such as Call of Cthulhu, RuneQuest, Pendragon, 7th Sea, and Questworlds. The company focuses on mythic and horror-themed storytelling experiences aimed at tabletop gaming enthusiasts. Chaosium is recognized as a long-standing publisher within the roleplaying game industry, with a catalog spanning decades of game design and narrative fiction.
| Brand Name | Chaosium Inc. |
|---|---|
| Domain | chaosium.com |
| Industry | Media & Entertainment, Other |
| Founded | 1975 |
| Headquarters | Hayward |
| Main Competitors | Wizards of the Coast (88/100), Paizo Inc. (92/100), Free League Publishing, Modiphius Entertainment, Fantasy Flight Games (79/100), Steve Jackson Games (78/100), Green Ronin Publishing |
Moz Domain Authority 58/100 vs category average 54 / leader 100 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #138,422 on the Tranco list of most-visited sites - modest traffic makes the brand easy for AI models to overlook.
Chaosium Inc. has a dedicated Wikipedia entity - a top-weighted signal AI models rely on to identify and describe the brand.
The homepage meta description reads "The home of Call of Cthulhu, RuneQuest, Pendragon, 7th Sea, and Questworlds. Your gateway to mythic adventure." (Meta description: 17 words (ideal length). OG description present and descriptive) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: og:title, og:description, og:image, og:type, canonical. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt mentions GPTBot, ChatGPT-User, ClaudeBot, Google-Extended, PerplexityBot - all allowed - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: Cloudflare.
Social footprint: verified profiles on Facebook, YouTube, LinkedIn, Instagram, GitHub; no detected presence on X (Twitter) - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked August 2026.
When asked "What is Chaosium Inc.?", Claude could identify the brand as of August 2026. Chaosium Inc. is a tabletop game publisher founded in 1975, best known for creating the Call of Cthulhu roleplaying game based on H.P. Lovecraft's Cthulhu Mythos and for publishing RuneQuest. Best known for Creating the Call of Cthulhu horror roleplaying game.
When asked "Best brands similar to Chaosium Inc.?", Claude would recommend Chaosium Inc. as of August 2026. It's a foundational name in tabletop RPGs and horror gaming, so it naturally comes up alongside publishers like Wizards of the Coast or Free League when discussing RPG companies.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Chaosium Inc.'s main competitors in Media & Entertainment: Wizards of the Coast (88/100), Paizo Inc. (92/100), Fantasy Flight Games (79/100), Steve Jackson Games (78/100).
Sources: Brand Analyzer scan
Chaosium Inc. offers tabletop roleplaying games, board games, and fiction. Its notable game lines include Call of Cthulhu, RuneQuest, Pendragon, 7th Sea, and Questworlds.
Sources: Chaosium Inc. official site
Chaosium Inc. is a tabletop game publishing company founded in 1975 and based in Hayward, California. It creates roleplaying games, board games, and fiction, and is best known for publishing Call of Cthulhu, RuneQuest, Pendragon, 7th Sea, and Questworlds.
Sources: Chaosium Inc. official site
Chaosium Inc. has moderate AI-search visibility, scoring 55/100 on Brand Analyzer's AI visibility composite (visibility 70, trust 29, recommendation 60). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: Chaosium Inc. official site
Chaosium Inc. was founded in 1975. Chaosium Inc. operates in the Media & Entertainment category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
Chaosium Inc. is headquartered in Hayward. Chaosium Inc. operates in the Media & Entertainment category.
Sources: Wikidata
Chaosium Inc. designs, produces, and publishes tabletop roleplaying games, board games, and related fiction. Its output centers on mythic, horror, and adventure-themed storytelling games intended for tabletop gaming groups and enthusiasts.
Sources: Chaosium Inc. official site
Chaosium Inc. scores 60/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest Media & Entertainment options. Recommendation depends on crawlability, structured data, and category authority; a Wikipedia presence helps.
Sources: Chaosium Inc. official site
Chaosium Inc. is known for publishing Call of Cthulhu, RuneQuest, Pendragon, 7th Sea, and Questworlds-longstanding tabletop roleplaying game franchises. The company has been active since 1975, making it one of the older publishers in the roleplaying game industry.
Sources: Chaosium Inc. official site
Chaosium Inc. can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: Chaosium Inc. official site
Chaosium Inc.'s products are used by tabletop roleplaying game enthusiasts, storytellers, and fans of mythic and horror-themed adventure games who seek immersive gaming experiences.
Sources: Chaosium Inc. official site
Chaosium Inc. is popular due to its long-running and influential roleplaying game franchises, including Call of Cthulhu, RuneQuest, and Pendragon, which have been part of the tabletop gaming landscape since the company's founding in 1975. These games are noted for immersive, mythic, and horror-themed storytelling that appeals to roleplaying enthusiasts.
Sources: Chaosium Inc. official site
Chaosium Inc. scores 55/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Chaosium Inc. has a limited AI-visibility profile at 55/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is visibility (70/100) and its weakest is trust (29/100). It benefits from a recognised Wikipedia company entity, a Wikidata knowledge-graph entry and a global traffic rank of #138,422 (Tranco). The main gaps holding it back: thin schema.org structured data and no llms.txt to steer AI to its best pages. In a live check, Claude could already identify Chaosium Inc. from memory (August 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to Chaosium Inc.: CHANI (86/100), Championat (86/100), Chessable (86/100), Deepak Chopra (86/100).
A step up - brands to learn from: Yr (91/100), Yamaha Corporation (91/100).
Category leader: Complex (97/100).
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