Synchronise files from your PC with a backup location or removable media, such as a USB pen drive. Transfer files between two PCs, e.g. at work and home, without missing any that you updated.
Generate and enter/solve 4x4 to 16x16 Sudoku puzzles against the clock. Five levels of difficulty, number and letter puzzles. Play on your PC or print out. Best times roll of honour. Multiple skins and sound effects. Coaching aids.