Cheats for Newman Haas Racing on PS1.
Note: This game is also referred to as Newman/Haas Racing.
At the main menu, hold down both L1 and R1 for roughly one second, then enter one of the following codes to unlock the corresponding cheat.
Note: If entered correctly you will hear a crashing sound.
Left (3 times), Right (15 times), Left (3 times), Right (11 times), Left (14 times), Right (5 times), Left (25 times).
When you race, all cars are changed into double decker busses.
Left, Right (7 times), Left (5 times).
Unlocks all Challenges and 4 additional tracks.