Rad Racer II - Cheats & Codes
Continue - When you lose a race, hold A and keep pressing Start.
Race at Night - At the title screen, hit the B Button eight times, then hold the D-Pad in the Up/Right position and the press Start.
Stage Skip - At the title screen, hold the D-Pad in the Up/Left position, press B once for each stage that you want to skip then push start.
Super Speed Boost - At the beginning of a race hold Down to make the green lights on the right corner light up. When the lights get to the top, press A. You'll go from 0-250 MPH in a flash.