4X4 Evolution

Get 1 million
Note: You need a Dreamcast keyboard to activate the following cheat
Connect your keyboard and use the D port.

During gameplay, type the following cheat code: "goldfinger"
If you typed the cheat code correctly, you should hear a sound.

After, type another cheat code: "givememoneyordie".
If you typed correctly, you should hear a sound also.
Exit the race and you should have 1 million.

Get 32,000:
Complete the all city series

1 million:
Complete the all endurance races

Hidden tracks
Motocross:
Drive over the hill in front of the 11th checkpoint.
On the other side is a small circle track.

Savage Wasteland:
At the beginning of the race turn around and face the wall part of the wall
has a different look, and can be smashed through. Plow through it and follow
the power lines.

4 Wheel Thunder

Full pause screen -
Press X + Y, while paused the gameplay.

Quick start boost:
During the race pre-countdown, press R + A when the "Go" message
appears.

Bonus championship mode tracks and bonus monster truck #1:
Finish the championship mode once.

Bonus outdoor arcade mode tracks and bonus monster truck #2:
Finish the outdoor arcade mode once.

Bonus indoor arcade mode tracks and bonus monster truck #3:
Finish the indoor arcade mode once.

Jackpot bonus
Finish a race in championship mode, after save. If you do not win
the jackpot, reload your saved game to try again.