Deduko: Logic Grid Puzzles

Logic grid puzzles, made for your phone. Read the clues, mark crosses and dots in the grid, and deduce who lives in which house, who owns the cat and who drinks tea. Deduko is a deduction game with real sentences – no symbols to decode. A NEW LOGIC PUZZLE EVERY DAY Everyone gets the same daily puzzle. Solve it fast and clean, keep your streak and climb the daily leaderboard. Every past puzzle waits in the archive. ENDLESS LOGIC GRID PUZZLES Free play generates new logic grid puzzles in three sizes, from 3 categories with 4 people to 5 categories with 6 people. Every puzzle has exactly one solution and never requires guessing – classic zebra puzzle and Einstein puzzle style brain teasers. TIPS THAT EXPLAIN Stuck? The magnifier shows the next logical deduction and highlights the clue behind it. Three tips are free every day. GHOST DUELS Race another player on the same logic grid in 8 minutes and watch their progress live – a deduction game for two. BUILT FOR PHONES – Big cells: each block is shown large on its own – Optional auto-exclude, unlimited undo, progress always saved – Light and dark mode, large text support – Logic puzzles in English, German, French and Spanish Free to play with ads. Remove ads with a one-time purchase – no subscription. For everyone who loves logic puzzles, brain teasers, the zebra puzzle and the Einstein puzzle: a fresh logic grid every day.

New: an evening reminder when the daily task is still open – you can switch it off in the settings. Plus smaller improvements.