PlaySudoku.us
Easy
Medium
Hard
Expert
Evil
Learn
💡 Did you know?
2
6
9
1
5
8
3
4
5
3
1
7
4
9
1
2
3
8
1
6
8
1
5
1
6
4
8
✓ Completed!
00:00
⏸
2
5
6
9
1
8
3
4
5
9
1
4
3
1
7
2
8
1
6
3
8
1
4
1
6
5
8
1
2
3
4
5
6
7
8
9
✕
↩
Undo
✕
Erase
💡
Hint
💡 Did you know?