Sudoku
00:00
New Game
Trivial
Beginner
Easy
Medium
Hard
Expert
Evil
Insane
3
9
5
8
4
3
1
6
3
7
8
5
4
1
6
2
9
1
7
4
6
3
2
4
7
1
8
9
7
9
5
4
1
6
4
9
2
3
1
2
3
4
5
6
7
8
9
X
Congratulations! Puzzle solved!