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