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