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Mini Sudoku

Solve a compact 4 × 4 Sudoku with digits 1–4. Each generated puzzle has exactly one solution.

Tap a cell and a number, or use keyboard digits and Backspace.

Solve a compact 4 × 4 Sudoku with digits 1–4. Each generated puzzle has exactly one solution.

How to play

  1. Use each digit once in every row, column and 2 × 2 box.
  2. Fill all empty cells without conflicts. Given clues cannot be changed.

Controls

Tap a cell and a number, or use keyboard digits and Backspace.

A better next move

  • Look for a row or box with only one missing digit.
  • Conflict highlighting checks duplicates, not whether a guess is the solution.