Embassy - - A client-server game in which all mechanical objects(robots) can be programmed, using standard programming languages, to build an empire and battle other empires.
Marionette Handler - - Offers information about a Mech programming game for the Sega Dreamcast.
SourceForge: Arena - - An experimental virtual world which integrates elements from user-interactive worlds, non-interactive evolutionary worlds, autonomous intelligent agents, and program competition games.
Starship Soccer - - Write the AI for a team of starships and let them do battle against teams written by others.
The Tao of Soccer - - A multi-player real-time soccer simulation game. In this game, human-controlled soccer players compete or cooperate with AI-controlled soccer players. The game is implemented in Java using client-server architecture.
V-Soccer - - A soccer simulation that is based on the rules of the Robo-Cup simulation league.
Winbots - - A simulated battleground where programs (bots) written by users compete in a do or die battle. Includes maps, screenshots, downloads, and rules.