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