TIDY - Slide Puzzle. Key features: Up to 4000+ Levels ready to play. Able to unlock and see the answer. Free access to any level, you can skip the level if it is too boring. Tidy and easy user interface. Create the slide puzzle from phone pictures. Show or hide the slide puzzle tiles number. Adjust the slide puzzle board size from 3 x 3 up to 8 x 8.