The following are known Action Replay Codes for Warlocked 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 Fuel
01FF87C7

Max Money
01FF85C7
01FFB9C7

Have All Cheats and Arcade Modes
01FF1AC6
01FF1BC6