r/Cosmere↗
The Cosmere
A community for Cosmere books by Brandon Sanderson.
194k subscribers371 posts / mo in Sep 2026298 authors / mosince 2011
r/Cosmere has 194k members (+11% over the last 12 months). It gets about 371 posts a month from 298 people. Top topics: Cosmere Community, Allomancy & Investiture Theory and Cosmere Shards.
When to post on r/Cosmere
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How r/Cosmere has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Cosmere
Top topics
Share of the subreddit's posts
- Cosmere Community7.5%
- Allomancy & Investiture Theory6.8%
- Cosmere Shards6.0%
- Roshar Cosmere Theory4.5%
- Cosmere Reading Order4.4%
Brands people mention
Most-mentioned brands and sites, last 12 months
- The Hollywood Reporter
- 17th Shard
- BackerKit
- TikTok
- MakerWorld
Everything else about r/Cosmere
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research