The following are known Action Replay Codes for Earthworm Jim on Nintendo Game Boy Advance (GBA).

These are Action Replay Version 3 (V3) Codes.

The codes should work with the region specified but may work for other regions as well.

(m)
3d34ff05
ad2a5ac6
f93bea05
6afe9ac2

Inf Health
59fbd52a
bab54211

Inf Lives
e0f07908
0daf2451

Inf Ammo
e9d91f93
1a3c6d86

AR Button for Slow
dbba3a89
4cb74b94