A next-generation FPS engine supporting massive destroyable city environments and realistic vehicle control, makes extensive use of shader model 3. The RelentENGINE technology has been designed to bridge the gap between pre-compiled and dynamic shadowing, it focuses on support for massive destroyable city environments and realistic vehicle control, including all the features expected from an engine utilising Shader Model 4.0, such as dynamic ambient lighting, volumetric clouds, soft shadows, motion blur, HDR lighting and support for extremely high polygon models. The RelentENGINE technology also includes extremely advanced adaptable (learning) AI, realistic physics and an extremely easy to use in game editor.