The Count
How many own Slay the Spire
Announced by the publisher · 2 figures
3,000,000 copiesas of 13 Mar 2026 · scope not stated · read from the game's own news · the announcement“Slay the Spire 2 has been out for merely a week and we have already hit 3,000,000 units sold with more than 25,000,000 runs attempted!!”10,000 copiesas of 9 Sep 2024 · scope not stated · read from the game's own news · the announcement“There's no guarantee that any indie game with no reputation will sell more than 10,000 copies.” Owners
1,865,175 to 14,237,354estimate · 80% band
×7.6 wide; mid 6,321,769
Reviews
218,103
Steam’s own total, the fact the model multiplies
k
×28.99reviews per owner
from 10 announced figures
Confidence
Medium
k from a cell or band with 5 to 19 announced figures
low 1,865,175mid 6,321,769high 14,237,354
80% band, log scalemid, reviews × kannounced figure
Owners ≈ reviews × k: 218,103 × 28.99 = 6,321,769. k is the median of 10 announced figures for games released 2018 to 2020 at $10 to $30. The band applies the model’s own residuals (10th to 90th percentile, ×0.30 to ×2.25 of the mid); over 220 announced figures the model is typically within ×1.6 and 80.0% of them fall inside the band. The announced figures above are facts as of their dates; the estimate is from today’s reviews. Model OWN-1, calibrated 8 Sep 2026. How this is computed. Data by SteamPeaks.com.