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