Sudoku 365 Free

Game Features:
***** 5 Sudoku games in 1: Classic Sudoku, X-Sudoku, Hyper-Sudoku, Percent-Sudoku and Color Sudoku.
***** 5 difficulties - Kids, easy, normal, hard, master
***** 3 intuitive input modes - Floating numpad for single digit entry, floating numpad for multi digits entry and fixed numpad input.
***** 3 pencil marks input modes - Auto, pencil marks always on and pencil marks always off.
***** Daily challenge - New puzzle every day, you can challenge with Facebook friends.
***** Free Practice - Unlimited puzzles for you to practise.
***** Auto-save
***** Undo and Redo
***** Useful hints
***** Best time records and average time records.