Win all races in challenge and free style modes, complete cruis'n exotica mode twice, and get 40,000 miles to unlock the Heavyliftin', Lil Lightnin', Jalopie, Bad Mobile, Hunkajunk, Skidmarks, G-Ride, Cooler, Piewagon, Boxcar, Scrapin' By, and Glide cars. Four more of the fastest cars that can also be unlocked are the Formula 2, Whiplash, Rail, and Rocket. You will also unlock Wacky and Insane modes.