Filled-in cells cannot be horizontally or vertically adjacent, although they can be diagonally adjacent. The remaining un-filled cells must form a single component connected horizontally and vertically. Real Hitori 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 9x9 board without compromising quality and the need of zooming; - No locked levels. Play whatever you want whenever you want; - 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, iPhone 4/4s/5/6 and iPod Touch;