Unlock all chase mode cars:
     Enter CHECKERED FLAG as a cheat code.

Unlock Walmart car and track:
     Enter WALMART EVERYDAY as a cheat code.

Unlock fantasy drivers:
     Enter RACE THE PACK as a cheat code.

EA Sports Car:
     Enter EA SPORTS CAR as a cheat code.


Achievements
     Complete each achievement to get the allotted gamerscore.

3 Wide (10)                   Earn Three Gold Medals 
                              in "The Chase" Mode.
                              
All Or Nothing (100)          Reach 100% Game Progress.

Badge Of Honor (10)           Complete a Driver Badge.

Chase Champion (100)          Win a NEXTEL Cup in "The Chase" Mode.

Chase For The Cup (25)        Win a Championship in Season Mode 
                              using the Car of Tomorrow Series 
                              Full Schedule.
                              
Craftsman Tools Reward (50)   Save a Craftsman Tools Car Setup 
                              at any Track.
                              
Cross Country (100)           Drive 5,000 Total Miles.

Custom Car Creator (10)       Complete a Custom Car 
                              for all racing series.
                              
Earn Your Stripes (25)        Earn a License in "The Chase" Mode.

Full Throttle (100)           Complete a 100% Length Race in Race Now 
                              or Season Mode.
                              
Heavy Medal (10)              Win a Medal in "The Chase" Mode.

Independent Contractor (25)   Earn a Contract in "The Chase" Mode.

Keep On Truckin' (10)         Win a Craftsman Truck Series race.

Licensed To Drive (25)        Complete all Licenses 
                              in "The Chase" Mode.
                              
National Hero (10)            Win a NASCAR National Series race.

Online Horsepower (25)        Win an Online Race.

Pay The Bills (100)           Complete all Contracts 
                              in "The Chase" Mode.
                              
Play It Again, Sam. (10)      Save a Race Replay.

Sprint Reward (75)            Win a NEXTEL Cup in Season Mode using 
                              the NEXTEL Cup Series '07 Schedule.
                              
Today Or Tomorrow? (10)       Win a NASCAR Car of Tomorrow race.

Toyota Reward (50)            Complete all Toyota Challenges.

Trade Your Setup (10)         Upload a Car Setup to EA Locker.

We Don't Need No Badges! (100)  Earn all Driver Badges.

We're Talkin' About Practice (10)  Record a Lap in Toyota 
                              "Test and Tune" Mode.