Colorshifts is a puzzle game available exclusively for the iPhone.

Featuring three game variants and four difficulty levels, the object is to clear game boards by shifting color between selected balls and their neighbors.

The newest version
ColorshiftsHD supports devices running iOS 4.0 and higher. It features high resolution graphics and new puzzles.

iPad users can get
ColorshiftsPlus which is made for the larger high resolution screen.

The original
Colorshifts game is also available for all iPhone, iPod Touch and iPad devices.