TEST MODE: Drive your build on a test track. See how it handles!
DYNO TEST: View power curve (HP vs RPM), 0-60 time, top speed, quarter mile.
BUDGET: Start with $20,000. Build the best car you can afford!
COMPARE: Save builds and compare stats side-by-side.
CHALLENGES: Build a drag racer under $30k, best fuel economy, fastest lap, etc.
Arrow keys to drive in test mode. Click parts to buy/equip.
Customize and tune your vehicles in a detailed garage. Upgrade engines, tires and aerhetics for better performance. Racing simulation about car modification and tuning.