Sudoku Puzzle Addict

• Includes more than 1000 quality Sudoku puzzles.
• 3 levels of difficulty - Easy / Medium / Diabolically Hard!
• Option to print out puzzles, or complete them on screen
• Hint Facility - reveals the correct solution to a square
• Save or pause unfinished puzzles
• Includes an illustrated guide to playing Sudoku
• Keeps track of completed or partially completed puzzles for multiple users.
• Pencil Mode - enter up to 9 possible numbers which can easily be erased
• Hint Facility - highlights cells where the correct number can be entered
• Duplicate Number Warning - an optional feature that flags if a number has been duplicated
• Time your puzzles for an extra challenge against family and friends