puzzle

Sudoku

Sudoku where you draw your logic on the board

puzzlecozywindows

by Sand Games

Summary

One hundred Sudoku puzzles from Easy to Master, with cell coloring and freehand lines so you can map out chains of reasoning directly on the grid. A generator makes more puzzles across six difficulty levels, and you can paste in puzzles found elsewhere, sort them into groups, and track your fastest times.

  • 100 built-in puzzles, Easy through Master
  • Draw lines and color cells to track deductions
  • Plays fully offline, no ads or in-app purchases

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