Cocos2D-ObjC
Cocos2d for iOS and OS X, built using Objective-C
...Integrated with Chipmunk physics engine (Served as an extension). Tile Map support. Orthogonal, Isometric and Hexagonal. Parallax scrolling (Served as an extension). Motion Streak (Served as an extension). Render To Texture (Served as an extension). Touch/Accelerometer on iOS. Touch/Mouse/Keyboard on Mac. Sound Engine support based on OpenAL (Served as an extension). Integrated Slow motion/Fast forward. Fast textures, PVR compressed and uncompressed textures. Point-based, RetinaDisplay mode compatible. Open Source Commercial Friendly, compatible with open and closed source projects. ...