Game Genie Codes
The following are known Game Genie Codes for Ferrari Grand Prix Challenge on Nintendo Game Boy.- 004-58C-19E
Do not lose speed when touching the side of track in a qualifying round or race. (Hitting a sign will slow you down. If you accelerate fully, release the A button and position the car in middle of the track and it will steer itself.) - 000-22C-C49
When you crash with another car, your speed will not drop to 0. - 00A-39B-E6E + 00A-1AB-E6E
No qualifying timer