TemporalWars Game Engine - Free 1.0
emporalWars XNA Indie Game Engine - Free Version
Temporal Wars 3D Engine is designed to take full advantage of modern hardware, and includes per-pixel dynamic lighting, normal mapping, specular mapping, multi-layer texturing, and much more!
Temporal Wars 3D Engine includes a full suite of WYSIWG tools designed for rapid creation of your game world. Temporal Wars editors, like the Height, Paint and Assets Tools, can be used to manipulate objects and textures in real-time.