Rad Racer 2

Level select:
Select a car, then press B one less time than the desired level at the title screen. For example, press B(3) to select level 4. Hold Up/Left and press Start to begin game play at the selected level.

Drive in darkness:
Hold Up and press B(8) at the title screen.

Continue game play:
Press A + Start after losing a race to resume game play at the last track raced.

Hint: Speed boost:
Press Down when you start the race and the power meter in the dashboard will charge up. When it is full, press A and you will get a speed boost that will send you to 255 mph instantly.
Information in this section was contributed by Driving Monkey.