About Sudoku

Three difficulties, hints and error checking. Pure logic - that is Sudoku, a free puzzle game you can play instantly in your browser. Works on desktop and mobile, no installation needed. Controls: Mouse / Keyboard.

How to play

Pick a difficulty and fill every cell with 1-9
Each row, column and 3×3 box must contain no repeats
Use the three hints wisely, then hit Check to confirm

Category: Puzzle
Controls: Mouse / Keyboard
Works on: Desktop & mobile browser
Added: 2026-10-16
Source: SinceraXY/GameHub (Apache-2.0)
Feedback: Report a problem