Sudoku - Free

Based on the popular Japanese puzzle game Sudoku is based on the logical placement of numbers. An online game of logic, Sudoku doesn't require any calculation nor special math skills; all that is needed are brains and concentration. Features: - Simple to use Sudoku interface - Multiple difficulty levels - Simple input and pencil mark for easy playing - Undo and Redo - Auto-save feature - X-Sudoku - Hyper-Sudoku - Squiggly Sudoku (a.k.a. Jigsaw Sudoku)