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