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