
Find chess positions that would never happen in a normal game.
Master 14 new minesweeper rule variants with purely deductive logic puzzles.
Infer a consistent set of rules that yield a unique solution to each line-drawing puzzle.
A deep puzzle game in which markings on the blocks determine how they react to your inputs.
Discover the rules of each glyph in this instructionless puzzle challenge with serpentine tunnels.
Get a free thinky game to play and discuss, plus the latest thinky news and reviews, directly to your inbox every 2 weeks!