Hold L1 + R1, press X, O, O, Square chicken headed people
Hold L1 + R1, press X, Square, Triangle, O disable all head up displays
Hold L1 + R1, press O, O, Triangle, Square toy block cars in single and multiplayer
Hold L1 + R1, press O, O, Triangle, Triangle high speed
Hold L1 + R1, press Square, O, Square, O Japanese Crash Skin
Hold L1 + R1, press X, O, O, X run into a car for an automatic KO