The Devil's Calculator is a new, non-profit math game by the creator of Synonymy that proves a sophisticated, challenging and educational indie puzzler for numberphiles and lovers of logic and brain teasers
Current US price
Last checked 8 days ago
0 US price changes since tracking began. Latest: $2.99. Lowest recorded $2.99 on Oct 12 UTC.
| Date (UTC) | Price |
|---|---|
| Oct 12 | $2.99 |
