Alternate replay view
During a replay, press Y to cycle through various views.
Full pause screen
Pause the game and press X + Y.
Unlock all Tracks
At the name entry screen, enter your name as "GOOZ".
Unlock all Championships
At the name entry screen, enter your name as "CARNAGE".
Unlock All Normal Le Mans Cars
At the name entry screen, enter your name as "MONSTA".