A game engine powered by python and panda3d
Botcraft is a cross-platform C++ library to create bots
3D game engine/framework in C, with Luajit and Python bindings now
An updated version of the classic "Basic Computer Games" book
GemRB is a portable open-source implementation of the Infinity Engine
Cooperative multiplayer graphical RPG and adventure game
Robocode is a programming tank game for Java
Game engine supporting many 3D/2D formats and graphic effects
first person shooter, space invader
4X Space Strategy Game
For exploring cellular automata like Conway's Game of Life.
Arianne is an engine to develop multiplayer online games like Stendhal
Air traffic control tower and radar simulator (solo + multi-player)
Framework for producing web-based database applications
Java RTS framework