Challenge Yourself

Complete a Medium puzzle using only box-based logic — no row or column scanning allowed.

Challenge Yourself

Complete a Medium puzzle using only box-based logic — no row or column scanning allowed.

PlaySudoku.us
Evil · Puzzle #339
✓ Completed! 👍
5
7
9
9
3
9
1
8
3
8
1
8
3
6
5
2
7
3
6
7
5
8
2
3
9
1
00:00
Techniques used
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Sudoku Trivia

Dell Magazines published Sudoku as 'Number Place' for decades with minimal fanfare before Nikoli transformed it into a cultural phenomenon.

Sudoku Trivia

Dell Magazines published Sudoku as 'Number Place' for decades with minimal fanfare before Nikoli transformed it into a cultural phenomenon.