It’s easy to undo our steps when you play our free Offline Sudoku Game, there's no need to think much about erasing your errors in game. Sudoku Classic Puzzle - Play unlimited sudoku puzzle offline. Five levels from Easy to Expert. Sudoku has become appealing among puzzle enthusiasts and involves complex thinking and practice. This addictive and brain-teasing puzzle game has become one of the most popular games to play in recent times. Directions to play the game; ★ Aim is to fill bloc