F1 World Grand Prix cheats and cheat codes for Nintendo 64

Unlock all challenges:
Choose exhibition mode and select "Williams" to driver. Change his name to 
"Pandora" by using the Analog-joystick. Go back to the "Start" screen, 
choose challenge mode and select the "Cheater's Special" file.

Unlock chrome driver in exhibition, time trail and 2-player modes:
Choose exhibition mode and select "Williams" to driver. Change his name to 
"Chrome" by using the Analog-joystick after go back to the "Start" screen.
Go to the driver selection screen to get access to the chrome driver.

Unlock gold driver in exhibition, time trail and 2-player modes:
Choose exhibition mode and select "Williams" to driver. Change his name to 
"Pyrite" by using the Analog-joystick after go back to the "Start" screen.
Go to the driver selection screen to get access to the gold driver.

Unlock Hawaii extra track:
Choose exhibition mode and select "Williams" to driver. Change his name to 
"Vacation" by using the Analog-joystick after go back to the "Start" screen.
Go to the track selection screen to get access the Hawaii track.

Unlock gallery option:
Choose exhibition mode and select "Williams" to driver. Change his name to 
"Museum" by using the Analog-joystick after go back to the "Start" screen.
You can view the cars, at the unlocked gallery option.

View programmers:
Choose exhibition mode and select "Williams" to driver. Change his name to 
"Credits" by using the Analog-joystick after go back to the "Start" screen.

Unlock secret track
Win 1st place on the championship on the professional mode.

Unlock credits and gallery mode
Win 1st place in the championship on the rookie mode.

Adjust replay view
While watching the replay, hit C-Up, then press Up or Down

Use broadcast mode
Select the TV camera as a driver

Unlimited fuel:
Choose the Grand Prix mode and modify the fuel setting option 
to 10% or as low as possible.

Always accelerate
Enable "Chrome driver" or "Gold driver" cheat. After, choose him at the  
driver slection screen. Play in rookie mode, and choose a manual transmission. 
When the race start, remain in 1st gear and press accelerate.

Unlock team Extreme silver and gold drivers in exhibition, time trial and 
2-player modes: Reach 100% skill level in challenge mode.