The following are known Action Replay Codes for Billy Bob’s Huntin’-n-Fishin’ 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 Gearts
0109a6c0

Infinite Bullets
01630cc1

Infinite Worms
010ae5c0

Infinite Minners
010ae3c0

Infinite Crawdads
010ae4c0