cocos2d-iphone

cocos2d for iPhone is a framework for building 2D games, demos, and other graphical/interactive applications.

It is based on the cocos2d design: it uses the same API, but instead of using python it uses objective-c.

Features:

-Particle system
-Text rendering support
-Texture Atlas support
-Tile Map support
-Parallax scrolling support
-Streak Motion support
-High Score server (Cocos Live)
-Touch/Accelerometer support
-Sound support
-Portrait and Landscape mode
-Integrated Pause/Resume
-Supports PowerVR Texture Compression (PVRTC) format
-Language: objective-c