The WhatsNext verdict
For Lovers of logic puzzles, math enthusiasts, and players who enjoy deciphering esoteric rules and reverse-engineering systems.: It turns an everyday calculator into an investigative puzzle box where you experiment with unknown operators, deduce hidden mathematical behaviors, and craft formulas under tight constraints. Tradeoff: Its steep difficulty curve and minimal, tool-like presentation offer little guidance, demanding intense mental focus and comfort with abstract mathematical thinking.
What it does best
A calculator puzzle concept unlike anything else
Mathematical puzzles with genuine aha moments
Your understanding is the real progression
What might put you off
Fiendishly difficult and sometimes obscure
Sparse calculator presentation
The setup
What you are walking into
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
Where it lives
Genre
Vibe
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