TORCS is a highly portable multi platform car racing simulation. It is used as ordinary car racing game, as AI racing game and as research platform.

Games like Speed Dreams: An Open Motorsport Sim use it as its base.

TORCS Features:

3D Car racing simulation for gamers, researchers, engineers and teachers

Many tracks, opponents and cars available

Sophisticated physical model

Supports all input devices (steering wheels, joystick, game pads, ...)

Lots of community content/add-on software available

Easy to modify (proven in many scientific/industrial research projects based on TORCS)

Easy to add/create content

Modular architecture

Excellent performance and stability