Arcade-Style Beat the Heat Mode
At the Main Menu, press Up, Down, Left, Right, R1, Left, Right.
Remove Replay Text
At the Main Menu, press Up, Down, Left, Right, R1, Down, Up. During a replay, press Circle.
At the Race Day screen in Singe or Head-to-Head, press Up, Down, Left, Right, R1, Up, Up. Use horn.
Unlock Hardcore Realism Mode
To unlock Hardcore Realism Mode, earn a 100 point rating on any track. The Harcore Realism will only be unlocked for the track you earned the rating on.
Unlock Richard Petty
Complete all of the Heat Challenges and earn at least a Bronze rating on each to unlock the legendary Richard Petty.