Race as Richard Petty:

Successfully complete all Heat challenges 
with a bronze or higher rating.


Arcade-style beat the heat mode:

At the main menu, press Up, Down, Left, 
Right, R1, Left, Right. Cars can now hit
the wall in beat the heat mode. 


Hardcore realism mode:

Get a 100 point rating on a track to unlock
the hardcore realism mode option for that 
track.


Shoot paintballs:

At the Race Day screen (in Singe or Head-to-Head)
press: Up, Down, Left, Right, R1, Up, Up. Use horn.


Remove replay text:

At the Main Menu press: Up, Down, Left, Right, R1,
Down, Up. During a replay, press Circle. 


View credits:

At the Main Menu press: Up, Down, Left, Right, R1,
Up, Up.


by unknown