Mini Sudoku

Time left 4:00 Hints left 3

Fill the grid so every row, column and 2×2 box has 1, 2, 3 and 4. Tap a square, then a number.

How to play

Well done!

Leaderboard

What should we call you?

3 to 16 letters, numbers, spaces or _.
Use a nickname, not your real name.