From BlenderWiki
Features
Brief incomplete list of features of the Game Engine:
- Platforms: GNU/Linux, Windows, Mac…
- Logicbrick system.
- Python scripting.
- Supports GLSL shader 2.0 (vertex and fragments programs via Python or build in).
- Normalmap.
- Parallaxmap.
- Specularmap.
- Colormap.
- Detailmap.
- Environment reflect cube.
- Environment reflect sphere.
- Vertex color.
- Phong shader.
- Dynamic shadow (soft and stencil shadow - not yet).
- GL particle system (not yet).
- Physics: Bullet and Sumo.
- Sound: wav (ogg,mp3 not yet).
- Textures: tga+alpha, png+alpha, jpg.
- Bitmap fonts.
- GUI (graphical user interface - not yet).
- Mesh deform with bones.
- Terrain engine (not yet).
- Lod (level of detail - via Python).
- Culling system: sphere, box, frustum (via Python).
- Portals (not yet).
- Network (via Python).
- Multi uv coordinate (via Python).
- Mipmap.
- Lightmap/shadowmap baking.