All Cars and Tracks
Press Right(2), Left, Square, Up, L2(2), R1 at the Main Menu. If you entered the code correctly, a message will appear.
Pro Class Trucks
Complete the first nine tracks in single race mode.
Unlimited Class Trucks
Complete the first twenty-seven tracks in single race mode.
To unlock the monster truck, complete all 36 tracks on the hard difficulty setting in single race mode.
To unlock the Humvee, finish in first place in the first three seasons of career mode in all divisions.
Shelby Dodge Durango
To unlock the Shelby Dodge Durango, finish in first place in season four of career mode in the speed division.
To unlock the Dodge T-Rex, finish in first place in season four of career mode in the power division.
Rod Hall Hummer
To unlock the Rod Hall Hummer, finish in first place in all divisions in career mode.
Moon Level and Moon Buggy
In free roam or career mode collect all nine Blue Moon cafe signs. There are three signs in each level. The Moon Buggy is the best all around vehicle and is able to reach speeds of 132 mph and is the one to use on all the other races in single race.
Hold R1 after a jump, then use the Left Analog-stick to steer your descent.
Pro Class vehicles
Beat the first nine tracks in the single race mode, all in 1st place. You will get the Pro class.
Unlimited Class vehicles
Beat the first 27 tracks in the same mode, in 1st place as well. Unlimited class will be available.
This time you will have to beat every single track, all 36 in 1st place, on the hard difficulty, in single race. The monster truck will be open.