Complete guide to playing Sudoku — rules, controls, tips, and strategies.
Sudoku is a logic-based number placement puzzle that became a worldwide phenomenon in 2004–2005. Fill a 9×9 grid with digits 1–9 so that each row, column, and 3×3 box contains all digits exactly once.
Fill the 9×9 grid so that every row, every column, and every 3×3 sub-grid contains the digits 1 through 9 without repetition.
Click a cell to select it, then type a number from 1 to 9. Each row, column, and 3×3 box must contain each digit exactly once. Use Notes to pencil in candidates, and Hint if you get stuck.
This game features achievements — play and try to unlock them all!
View AchievementsPlaying Sudoku on Akousa means quick access with no downloads, no plugins, and no signup. Track your progress with achievements, compete on leaderboards, and enjoy a smooth experience on any device.
When you play Sudoku on Akousa, you get access to a full suite of gaming features built into the platform.
Want to add Sudoku to your website? Use our free embed widget to integrate the game with a simple iframe — customize language and theme via URL parameters.
Get Embed CodeUncover all safe cells without triggering a mine. Use logic and deduction to flag the dangers.
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