Mini Sudoku 4×4
Solve a genuine 4×4 Sudoku with two-by-two boxes and a unique generated solution.
Play Mini Sudoku 4×4
Fill the empty cells with numbers 1–4, one per row, column and 2×2 box.
How to play Mini Sudoku 4×4
Fill the empty cells with numbers 1–4, one per row, column and 2×2 box.
How results are calculated
Number of correctly completed cells and solution completion.
Accuracy, limitations and fair comparisons
Browser scheduling, device and input differences influence results; recreational only. The challenge runs in your current browser session; compare repeated attempts on the same device for a more useful personal reference.
Questions and answers
Is Mini Sudoku 4×4 free?
Yes. This activity is free and does not require registration.
Does this test upload my input or score?
No. Gameplay and optional history storage run in your browser on this device; exporting a result requires your own action.
What is the measured result?
Number of correctly completed cells and solution completion.
Can the result be treated as a medical or hardware diagnosis?
No. Browser scheduling, device and input differences influence results; recreational only.
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