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