A free program for Android, by Infinite Joy Ltd..

Sudoku is a classic and challenging puzzle game, and quite a TIME KILLER. We have made it’s difficulty level easy, medium, hard and expert, so that it’s suitable for beginner and high-level players.

You’ll never feel any boredom while trying it once. Endless levels are waiting for you to solve, and you can try as many times as you want.

Auto-Check

When you make mistakes, Auto-Check will automatically mark them so you can see them at once.

Notes

Notes will be updated and checked when you fill in a cell.

Hint

If you are stuck, you can use the Hint to help you solve it.