CARNAGE
You will unlock all championships. Quick Race Reward Get Gold (first place) on all tracks in the Quick Race mode and you will unlock a Jaguar XR9 LM Concept Car. Unlock Regular Le Mans Cars Enter the Championship Mode and enter you name as:
MONSTA
This will make all of the regualr Le Mans Cars available for your choosing. Unlock All Tracks At the name entry screen you can enter:
GOOZ
As your name. This will unlock every track.