Crystal Sudoku is a version of sudoku with no numbers! It has four difficulty levels and you can create numerous profiles. The game remembers your personal best time and the number of wins for each difficulty level. The top 20 best times for each difficulty level across all the user accounts on your computer and game profiles are also saved. Games are automatically saved when you quit, and restart from where you left off when you play again. Each profile has its own separate saved game.
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