You are captain of the cargo ship Chromium B.S.U., responsible for delivering supplies to our troops on the front line. Your ship has a small fleet of robotic fighters which you control from the relative safety of the Chromium vessel. Chromium B.S.U. is a fast paced, arcade-style, top-scrolling shooter. It uses OpenGL for graphics, OpenAL/SDL_mixer for sound effects, GLC/FTGL for text rendering, and glpng/SDL_image for texture loading.
Cosmos of Methos is a game where you are placed behind the wheel of a Hellenik Trireme, a Phoenecian trade-ship, or a Skythian pirate ship. Nevertheless, you have equal oportunity to rule your destiny -- to become a peaceful trader or a fearsome captain. After all, was Odysseus better than you?
Eclipse is a set of C++ classes designed to give beginner developers a head start in developing their first games as well as more experienced developers who don't want to have to write code for mundane tasks like fonts, sprites, and image loading. It provides bitmap fonts, window management, audio capabilities, image loading, error logging, and zip file support.
ZDoom is an enhanced port of the official DOOM source. It features support for all Hexen editing features (including ACS, hubs, etc.), support for most BOOM editing features, freelook, jumping, and translucency support, a Quake-style console, high screen resolutions, removal of the original DOOM's limits, support for many more music formats (including MOD, IT, XM, S3M, MIDI, MP3, and MUS), better mouse support, UDP networking, and more.