an open-source vertical scroller game programmed in C++,OpenGL and SDL. It's designed to run on all important platforms like Linux, MacOS X, Windows, Solaris. (Cool Graphics)
portable C++ GUI library designed for games using Allegro, SDL and/or OpenGL, comes with a standard set of widgets and can use several different backends for displaying graphics and grabbing user input
an arcade action puzzle game where the objective is to get rid of all incoming balls by rearranging their order. Currently it includes 12 different levels and two modes of gameplay. The engine allows for easy custom level creation with unlimited number of paths, different speeds, ball-sizes, and rules.