Home / Games / The Devil's Calculator
The Devil's Calculator
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
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.
“Please add achievements, trading cards & possibly some new levels to the game.”
— a player, Steam review · 0 hrs played“Solid Game. The binary functions are a bit repetitive, but generally worth your money for the time you get out of that”
— a player, Steam review · 25 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Steam Autumn Sale
Play the award-winning challenge The Devil's Calculator ! Rather than the typical scenario of solving for x in an algebraic expression, imagine the operators themselves were unknown... In this challen
Steam Summer Sale
The Devil's Calculator provides a sophisticated, challenging indie puzzler for lovers of logic and brain teasers. You don't have to be a math whiz to succeed, but it might turn you into a numberphile
Steam Winter Sale
During the Steam Winter Sale, try Cinq-Mars Media's games and take advantage of the discounts! Also check out our newest game, CrossAbout, at 20% off. The Devil's Calculator as presented at the MoMath
The Devil's Calculator discounted in the Steam Autumn Sale!
You don't have to be a math whiz to enjoy playing our award-winning puzzle game, The Devil's Calculator! The total will always be 666. Can you find the equation?
Steam Summer Sale
Find a new favorite and save now! The Devil's Calculator Trade Bots Copy Editor Lazy Chess Synonymy
Games like The Devil's Calculator
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
Sudocats
98.1% · 1,083 reviews
shares Education, Logic, Hand Drawn, Cartoony
Human Resource Machine
91.9% · 2,363 reviews
shares Experimental, Education, Logic, Puzzle
Gorogoa
95.8% · 5,719 reviews
shares Experimental, Hand Drawn, Cartoony, Puzzle
SpaceChem
93.4% · 3,411 reviews
shares Education, Logic, Puzzle, Strategy
Pictopix
97.3% · 1,088 reviews
shares Education, Logic, Puzzle, Strategy
Zup! S
96.7% · 3,135 reviews
shares Education, Logic, Puzzle, Strategy
Blocks That Matter
74.6% · 536 reviews
shares Logic, Hand Drawn, Puzzle, Strategy
The Bridge
84.0% · 1,757 reviews
shares Logic, Hand Drawn, Puzzle, Strategy
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-28.
| Genres | Casual, Indie, Strategy |
| Player tags | Puzzle · Indie · Logic · Experimental · Education · Casual · Strategy · Hacking · Cartoony · Hand-drawn · Tutorial · Singleplayer (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | English * * |
| Official site | http://www.cinqmarsmedia.com/devilscalculator |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 and later Processor: An Intel Pentium 4 processor or later that's SSE2 capable. Memory: 512 MB RAM Storage: 320 MB available space