Quick Sudoku for beginners, challenging puzzles for experts. An infinite number of puzzles.

Daily challenges and prizes.

All the features you need to become a pro sudoku solver:

1. A smart “Notes” function - write variants of numbers for a cell and they will be automatically updated when you put a number into connected cells.

2. Customisable highlight: you can make the app show your mistakes or disable this function to make sudoku more challenging.

3. Hints for any cell.

4. “Check” button to erase all the wrong numbers in a puzzle.