Challenge Yourself

Before using pencil marks, see how far you can get with pure logic and mental candidate tracking.

Challenge Yourself
← Play Today's Puzzle
Friday, January 2, 2026

Daily Sudoku Challenge

Medium
← Jan 1 Jan 3 →
2
3
8
6
9
4
5
2
5
1
6
9
6
9
8
2
3
8
5
1
2
6
7
1
6
4
5
3
7
6
9
4
5
8
Food for Thought

"The more you know, the more you know you don't know." — Aristotle

Food for Thought