UI Recipes - Weekly 15 min lessons on UI design from the hottest apps
Need for Speed - Official site of Need for Speed Payback, an action driving fantasy that's the newest game in the popular car racing video game franchise, Need for Speed.
UI Movement - The best UI design inspiration, daily
TORCS - TORCS, The Open Racing Car Simulator is a highly portable multi platform car racing simulation.
Design Principles - An open source repository of design principles and methods
TrackMania - The most popular online PC racing game.