Sudoku
The classic number logic puzzle with easy, medium, and hard grids — pencil marks, mistake tracking, and a timer included.
Runs 100% in your browser
This game is being built and will be playable shortly.
- Pick Easy, Medium, or Hard, then click Start Game for a freshly generated puzzle.
- Click a cell and type 1-9 (or use the number pad) to fill it in.
- Press N or tap the pencil to jot pencil marks into a cell while you narrow the options down.
- Every row, column, and 3×3 box must contain each digit exactly once — conflicts turn red as you go.