Xenopobia is a playable tech-demo using my XR3D engine, which I've been working on since about 2001. Newly added features:     - Fast Bump-mapped lightmapping for more detailed and complex lighting situations, such as when using radiosity.     - Terrain engine using geo mip-mapping     - Real time refraction, reflection     - High Dynamic Range Lighting Engine Features:     - Fully real-time lighting, bump-mapping, and shadowing     - Fast portal/PVS visibility system     - BSP collision detection, with instanced sub-trees for complex objects     - Skeletal Animation     - Easy to use object system     - Direct3D 9 technology     - 3D hardware sound with DirectSound and OpenAL support     - OGG music     - DirectInput support     - 3dsmax plugins for level creation and model/animation exporting     - Model/Brush instancing