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