JGame is a 2D game engine that makes development of casual games on multiple platforms (ranging from J2ME to OpenGL) easier and faster. A game can be run directly on a variety of devices and screen sizes without changing the code. A modified J2ME compatible JBox2D engine is also included.
Web Wars is an open source arena shooter similar to Geometry Wars, Robotron, or Death vs Monstars. It has 12 stages, 3 difficulty levels, 9 enemy types...