The following are known Action Replay Codes for Tony Hawk’s Pro Skater 3 on Nintendo Game Boy / Color (GB / GBC). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Max Points
91993dd8
91993ed8
91993fd8
910940d8

Infinite Time
9100cada
9102cbda

Max Speed
910e3cdc

Max Ollie
910e3ddc

Max Hang
910e3edc

Max Spin
910e3fdc

Max Balance
910e40dc

Max Switch
910e41dc

Foundry Complete
91ff43dc

Canada Complete
91ff44dc

Suburbia Complete
91ff46dc

Airport Complete
91ff45dc

Los Angeles Complete
91ff49dc

Rio Complete
91ff42dc