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