Off-Road Challenge
Punisher truck:
Press C-Down at the vehicle selection screen.
4x4 Monster truck:
Press C-Up at the vehicle selection screen.
Thunderbolt truck:
Press C-Left at the vehicle selection screen.
The Crusher truck:
Press C-Right at the vehicle selection screen.
El Cajon track:
Hold Up and press the L + R at the track selection screen. An air
wrench sound will confirm correct code entry. Highlight the El Paso
track and press Z + A to start.
Flagstaff track:
Hold Left and press the L at the track selection screen. An air
wrench sound will confirm correct code entry. Highlight the Mojave
track and press Z + A to start.
Guadalupe track:
Hold Down and press R at the track selection screen. An air wrench
sound will confirm correct code entry. Highlight the Vegas track and
press Z + A to start.
Quick start:
Press A at the starting line, just before the word "Set" fully
disappears from the screen.