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Chaosium Inc: Amazon KDP author data
Chaosium Inc has 95 books on Amazon, 52 of them on a best-seller list in the last 30 days (best rank #1), mostly in Call of Cthulhu, Other Role-Playing Games, Gaming.
95Books on Amazon
52Listed in 30 days
4.7Average rating
| Median price | $33.72 |
|---|---|
| Price range (middle 50%) | $26.51 – $42.27 |
| Median reviews | 53 |
| Total reviews | 16,704 |
| New books (30 days) | 7 |
| Breakout books (30 days) | 6 |
What stands out
- 55% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $33.72, 69% above the median of their main category, Call of Cthulhu.
- 7 new books in the last 30 days, 6 of them broke into a Best Sellers list.
Chaosium Inc's best-ranked books
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Call of Cthulhu Rpg Keeper Rulebook: Horror Roleplaying in the Worlds of H.p. Lovecraft (Call of Cthulhu Roleplaying)
by Chaosium Inc
- Price$42.27
- Rating4.9
- Reviews2,099
-
Call of Cthulhu: Encyclopedia Cthulhiana
by Chaosium Inc
- Price$55.99
- Reviews-
- Published2026-10
-
Call of Cthulhu: Keeper Companion
by Chaosium Inc
- Price$50.99
- Reviews-
-
Call of Cthulhu Keeper Screen (Call of Cthulhu Roleplaying)
by Chaosium Inc
- Price$23.93
- Rating4.9
- Reviews945
-
Call of Cthulhu: Chaosium’s 50th Anniversary Slipcase Set
by Chaosium Inc
- Price$109
- Rating4.7
- Reviews14
-
Call of Cthulhu Investigators Handbook (Call of Cthulhu Roleplaying)
by Chaosium Inc
- Price$30.27
- Rating4.8
- Reviews1,540
-
Pulp Cthulhu (Call of Cthulhu Roleplaying)
by Chaosium Inc
- Price$31.81
- Rating4.9
- Reviews610
-
Call of Cthulhu: Horror on the Orient Express , (Set of 2)
by Chaosium Inc
- Price$64.18
- Rating4.8
- Reviews100
-
Call of Cthulhu: Cults of Cthulhu
by Chaosium Inc
- Price$37.23
- Rating5.0
- Reviews95
-
Call of Cthulhu: A Time To Harvest
by Chaosium Inc
- Price$36.13
- Rating4.8
- Reviews57
Main categories
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.