The following are known Action Replay Codes for Dexter’s Laboratory: Robot Rampage 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

Infinite Health
9105fbcb

Infinite Lives
9109facb

Max Score
910940d8
910941d8
910942d8
910943d8
910944d8
910945d8