Did You Know?

Some Sudoku apps use neural networks to grade puzzle difficulty — training on millions of human solve attempts.

Did You Know?

Some Sudoku apps use neural networks to grade puzzle difficulty — training on millions of human solve attempts.

PlaySudoku.us
Medium · Puzzle #365
✓ Completed! 👍
4
1
5
8
9
4
6
5
3
5
1
2
4
6
2
7
5
1
9
4
7
5
4
2
1
3
5
9
6
9
6
2
7
00:00
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Did You Know?

Sudoku became a global phenomenon in 2004 after The Times of London started publishing it daily.

Did You Know?

Sudoku became a global phenomenon in 2004 after The Times of London started publishing it daily.