Puzzle flagship

Sudoku

Fill every row, column, and 3x3 box with the digits 1 through 9 once, then settle into a clean solving rhythm.

Time 00:00

Filled 0/81

Mistakes 0

Best --

How to play

Each row must contain the digits 1 through 9 exactly once.
Each column must also contain the digits 1 through 9 exactly once.
Each 3x3 box must contain the digits 1 through 9 exactly once.
The darker cells are fixed clues and cannot be changed.

Controls

Tap any cell to focus it, then use the keypad or your keyboard digits.
Tap Notes or press M to switch into pencil-note mode for empty cells.
Use Backspace, Delete, or the Erase button to clear one of your own entries.
Use arrow keys to move around the grid and H for a reveal hint.
New puzzle rotates through a larger seeded board pool inside the current difficulty.

Run details

This first Sudoku release ships nine seeded boards per difficulty, touch keypad input, pencil notes, reveal hints with a time penalty, and local best-time tracking.

Sudoku

Grid cleared