Single player cars:
Enter AllUCanGet as a user name in single player mode to unlock almost all the cars and tracks. This will also get you about 80 percent through the game and a score just below the first place driver.
Multi-player cars:
Enter Full House as a user name in multi-player mode to unlock almost of the cars and tracks. You can also enter it into a single player game to unlock all cars.
All championships:
Enter JamSession as a user name in single player mode to unlock all 16 championships.
All tracks:
Enter Free Ride as a user name in single player mode to unlock all 108 tracks. Note: This does not unlock the Waypoint missions.
All missions:
Enter Miss World as a user name in single player mode to unlock all 48 missions.
Status 9:
Enter Goodzpeed as a user name in single player mode to get a score just below the status 10 driver.
Status 8:
Enter Jiu-Jitsu as a user name in single player mode to get a score just below the status 9 driver.
Status 7:
Enter McRace as a user name in single player mode to get a score just below the status 8 driver.
Status 6:
Enter No Hat! as a user name in single player mode to get a score just below the status 7 driver.
Status 5:
Enter Halbzeit as a user name in single player mode to get a score just below the status 6 driver.
Status 4:
Enter TaxiDriver as a user name in single player mode to get a score just below the status 5 driver.
Status 3:
Enter N.I.C.E. 2 as a user name in single player mode to get a score just below the status 4 driver.
Status 2:
Enter HUIBUH as a user name in single player mode to get a score just below the status 3 driver.
Status 1:
Enter Top 10 as a user name in single player mode to get a score just below the status 2 driver.