The following are known Action Replay Codes for Earthworm Jim: Menace 2 the Galaxy 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 Lives
010499da

Infinite Health
01639ada

Infinite Ammo Blaster
0163b5da