Cydoku is a cyber themed, procedural generated, graphical Sudoku with over 2 million unique play-field permutations intended to challenge even the most skilled Sudoku players! In addition to standard numerical Sudoku, Cydoku includes 30 sequences of graphical iconography across 5 difficulty levels for you to conquer. Sharpen your logical thinking skills and stretch the boundaries of your memorization abilities as you journey from initiate to Cydoku mastery!