The free download offer of Sudoku Classic has ended. For an even better, free sudoku, check out Sudoku Daily, which will always be free!Sudoku Classic is a slimmed-down version of Sudoku Unlimited, our flagship sudoku app. This version is perfect for anyone that likes the occasional game of sudoku on the bus, in the waiting room, or anytime they've got a spare few minutes to kill.That having been said, Sudoku Classic is still chock full of features to make your sudoku life easier. It includes all of the following:- 5 Difficulty settings, to accommodate players of every skill level.- Offline play. No network connection needed, ever- One-touch note filling.- An intelligent hint system that shows you the next logical step.-Automatically saves your progress when exiting the game or getting a phone call.- Options to turn off sounds, animations, error display, in game timer and auto locking of the device.- Option to switch the popup back and forth to a user-set level of transparency - Draggable popup- Scores sorted by best time instead of date - Interface localization - Ability to enlarge the popup, for easier number selection- Updates will always be free!