All tracks and cars:
Press Right(2), Left, Square, Up, L2(2), R1 at the main menu.
Pro class trucks:
Successfully complete the first nine tracks in single race mode.
Unlimited class trucks:
Successfully complete the first twenty seven tracks in
single race mode.
Monster truck:
Successfully complete the all twenty seven tracks in single
race mode in first place. Note: Try using Moon Buggy or the
Rod Hall Hummer after they are unlocked.
Humvee:
Finish in first place in the first three seasons of career
mode in all divisions.
Shelby Dodge Durango:
Finish in first place in season four of career mode in the
speed division.
Dodge T-Rex:
Finish in first place in season four of career mode in the
power division.
Rod Hall Hummer:
Finish in first place in all divisions in career mode. The
Rod Hall Hummer is good for speed. It handles poorly and is
average in climbing. It can be a power vehicle if needed. It
works well for single race on the blitz races.
Moon level and Moon Buggy:
Collect all nine Blue Moon cafe signs in free roam or career mode.
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. It is the
vehicle to use on all the other races in single race.
Sites: