(heart) Sudoku versions

Sudoku offers 17 difficulty levels with unlimited puzzles, a tutorial, and a multi-stage hint system.
1.2
Nov 16, 2020
Review

What's new

v1.2 [Nov 16, 2020]
Added a 17th difficulty level, Maelstrom!
Improved compatibility with recent versions of OS X.
Now requires macOS 10.9 or newer.
Various minor bug fixes.

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