Now with 400 puzzles! The biggest kakuro board available in the App store gets really better! Kakuro is a world phenomenon like Sudoku. It is like a crossword puzzle with numbers. Each "word" must add up to the number provided in the clue above it or to the left. Words can only use the numbers 1 through 9, and a given number can only be used once in a word. Every kakuro has one and only solution, and can be solved through logic alone. Real Kakuro 20x20 for iPad is a very elegant game, providing fabulous gameplay experience. - Clean board, providing hours of pleasure gameplay; - Handmade unique challenging games. All games and categories were designed to fit a 20x20 board without compromising quality and the need of zooming; - Autosave game. You don't need to worry if you don't have much time to play. It will automatically save all unfinished games; - Simple menu context. Your game is just a few clicks away; - No in app music. You can play while listening your own iPod library; - High definition graphics for iPad; - Game Center statistics. Compare your results worldwide. - Simply the largest kakuro board available in App Store. - Requires iOS 4.3. Update your iPad on iTunes. Please note: We had a hard work building those 400 puzzles and are offering them all for free without locks or having to ask user to pay for additional puzzles. And we know how annoying ADs are. But we need them to keep this game live and updated frequently. We give the option to remove all ADs (including the popups) via in app purchase. Thanks for your understanding and support.