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.

Hint: Extra money and nitro:
Start a game in two player mode. Have both players keep trying to turn around. After about three minutes of turning around, drive down the road. There will be extra money and nitro.
Information in this section was contributed by Steven Gardner.