We've just ported indie game developer Twilight Games' popular puzzle game Aargon to the iPhone using the cocos2d lib. It's an amazingly challenging and addictive game involving directing laser beams of different colors using prisms, mirrors, refractors, splitters, filters etc. The iPhone version brings a slick new interface to this great game.
Visit the Aargon Page for more information and links to Aargon (paid) and Aargon Lite (free) on the App Store.
This game uses many of the sprite and transition features of cocos2d along with some custom actions for animations. It uses the grabber to generate the thumbnails.
You can see the original at Twilight Games.
