Official Sudoku on iPhone app for iPhone and iPad

Simply the best Sudoku experience on any platform. Whether you are looking for automatic pencil marks, error correction, or intelligent hinting, Official Sudokus beautifully designed interface allows you to focus on your game without tedious scribbling getting in your way.

This app has been banned for sale in Japan due to a trademark claim by Nikoli Co. Ltd. based on their Japanese trademark registration of 2007.

Features:

• Japanese-style play mode
• Beautifully symmetric games
• Responsive touch interface
• Automated pencil marks
• Intelligent hinting
• Real-time guess verification
• Impossible-guess prevention
• Unlimited undos
• Full solutions
• Five difficulty levels - from Beginner to Genius

Endless hours of addictive fun!

This version is optimized for iPhone.