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