Why eight? Because it's more than two? I don't really know, but fruit-slicing iPhone title, Fruit Ninja is coming to the iPad with support for up to eight-finger swiping!
This trailer gives you a sense of why you would need eight-finger support: For two-player head-to-head play of course! The two-player multiplayer in Fruit Ninja HD will include both Classic Attack and Zen Duel modes. The developers also promise a stream of free content updates once the game hits the iPad.
Fruit Ninja HD will be released July 14 on the iPad App Store for US$4.99, Halfbrick says.