Duko: Sudoku Reimagined

Duko — the logic puzzle game that grows with you The rules are pure sudoku: every row, column, and region must contain each symbol exactly once. But in Duko, the symbols themselves evolve as you play. Numbers give way to shapes, hieroglyphs, animals, emoji, and more — unlocking as you progress, so the game always feels fresh. Story mode — grow with the game Hundreds of progressively challenging puzzles across five grid sizes, from compact 4×4 boards to epic 12×12 challenges. Fewer clues over time means more thinking, more satisfaction. Beat a level to move on; replay any finished stage whenever you like. 11 unlockable symbol themes Numbers. Coloured shapes. Emoji. Egyptian hieroglyphs. Zodiac signs. Animals. Playing cards. And more. No other puzzle game grows quite like this. Daily mode — one puzzle per day Open the calendar, play today's challenge, and build your streak. Finish tonight or come back tomorrow. Replay past days any time. Built for real players 11 symbol themes that unlock as you advance Grids from 4×4 to 12×12 Hints, lives, undo, notes, and conflict feedback Offline play — no connection needed Portrait-friendly on phone; great on tablet Whether you have two minutes or twenty, Duko fits. Download free and see how far your logic can go.