The RML project is working on a way of designing rulesets for games, virtual worlds and other simulations. It aims to enable design at a much higher level than is currently available and make it accessible to the more artistically inclined designer.
A project for making a 3D space game between mandkind and open Merchant Empires
Full java (want a 100% portability) using GL4java for openGL rendering.
It's composed of a TCP server and a java openGL client
A web-distributed 3D virtual universe for modellers, developers, scientists, gamers and social networkers. Pluggable visualization engines, navigation (vehicle/avatar) controls, model editors, scene editors, messaging.