For code 1, you must go into a level enter code, and close whatever button you then press F11 . For code 2, you can do it in anywhere. You can also change the value up or down, depending on the ...
If you put the game disc in a CD player, you'll be able to listen to the soundtrack starting with Track 2. Also, the more obscure Mega LD version has a single "Road Blaster" track. If you dig into the ...