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