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