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