QMentat helps you practice mental arithmetic. It uses arbitrary-length fixed point arithmetic, and can handle any size numbers, only limited by the size of your screen (and in the case of division with an integer result, the speed at which the number can be factored). It is also quite configurable, allowing you to tailor the questions to your needs.
CloneRNX is a simple and funny game. It was cloned from the popular Facebook application called ChainRNX. While the original version of the game is a Flash application and it can be executed only within a Facebook account, CloneRNX is a Java desktop application that can be launched on any desktop system.
RocketMan is a sci-fi fantasy shoot 'em up game. It features different algorithms for gameplay as in EnemyRocket.java. Everything can be jarred up into a mobile phone game. There is a sprite-based video codec included for use during gameplay. This way, you can make vessels talk to you on the intercom. Some levels are top-down and left-right vessel shooters (like R-Type), and some are left-right man-sized players (like Megaman).
Soul Capture captures the video and audio playback of OpenGL applications (such as games). It was created in Gambas and works as a frontend for the glc capture program. ffmpeg is also required for encoding. Soul Capture allows users to capture and encode footage of their games and other applications from a comfortable and easy-to-understand interface.