Open All Tracks and Race on Backward Tracks

Open All Tracks: Pause the race, select Options, then choose Sound. Highlight FX Volume and simultaneously press L1 and L2. Quit the race, and when you return to the track-select screen, you can choose any track.

Race on Backward Tracks: At the track-select screen, before you choose a track, simultaneously press L2, R2, x, and Down.

If you entered the code correctly, an arrow will appear onscreen. You will now race backward on any track you select.

Race at Night

Select your car, and at the track-select screen, simultaneously press L1, L2, R1, and R2. If you entered the code correctly, a headlight icon will appear. Select any track and start a race. When the race begins, you will be racing at night.