Superman (N64)

Infinite powers:
To get infinite Heat vision, X-ray Vision, Freeze Breath & Speed, press and hold A, B, C-Down, C-Up, at the title screen then press Start.

Level Select:
Play until you can save your game then save, reset and load your game. When it asks to enter Rumble Pak press B then A.

Cheat Mode:
To activate Cheat Mode, push: up-C, left-C, down-C, right-C at the main menu. To enable the cheats, press Start and the following buttons:

Level Skip - C-Up, C-Down

Refill health - Z-trigger, R

Super-Breath - Z-trigger, L

Super-Speed and Flight - R, Z-trigger

Super-Strength - L, Z-trigger

X-Ray Vision - R, L

Car Mode:
At start of game go to the options menu. Then select practice.
When you get there first get the guy with the gun out of your
way because he might mess you up. After he's dead pick up the
car and fly through all the rings even through the last one,
you can't simply walk through it. If you successfully did this
there will be a glitch in the game and you will be in the car.