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Medium
5
8
1
6
4
9
6
4
3
9
4
3
8
2
5
5
7
6
7
9
2
6
4
7
2
5
8
3
5
1
6
4
9
7
9
7
6
New game
Fill every row, column, and 3×3 box with the digits 1–9 (no repeats). Select a cell, then use the number pad or keyboard. Turn on Notes to mark candidates; use Hint if you're stuck.
About Medium puzzles
A balanced challenge for daily practice. Once you know the basics, this level uses simple logic and a few hidden singles. Good for commuters and anyone who wants a step up from Easy.
How we generate puzzles: Every puzzle is created for this session and has exactly one solution. Difficulty is set by how many numbers we leave in the grid—fewer givens means a harder, logic-based challenge. Read more.
Who it's for: ProPuz is free, with no sign-up, for all ages. Whether you're a beginner or an expert, you can play on any device. About us · Techniques