Rad Racer

Codes

Continue GameWhen you get Game Over, press and hold the A button, then press Start.
Max SpeedDuring gameplay, hold Up during acceleration to max at 255 km/h.
Stage SelectOnce you select your vehicle, press the B button X-1 times (X = Track Number). Then, hold Up and Right and press Start
View Game EndingOnce you select your vehicle, press the B button 64 times. Then, hold Up and Right on the D-Pad and finally press Start

Game Genie Codes

GZXIUVIZ        Less time to finish each stage

GLXIUVIX        More time to finish each stage 

ALXGAIAA        Turbo acceleration 

YYUKGIAU        Super Turbo acceleration

PEEGPIAA        Ultra Turbo acceleration

PAXKPAAA        Start at stage 2
GXKGKTSA

ZAXKPAAA        Start at stage 3
GXKGKTSA

LAXKPAAA        Start at stage 4
GXKGKTSA

GAXKPAAA        Start at stage 5
GXKGKTSA

IAXKPAAA       Start at stage 6
GXKGKTSA