The following are known Action Replay Codes for Wolfenstein 3D on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
ce967543
a843c476
3b0b1810
51d291bf

Infinite Health
0192d0d6
7580e048

Infinite Lives
9eca304c
d2c8642a

Infinite Ammo
10c011f3
d73c44b6

Have Keys
9080c7fb
cca36e2d

Have All Weapons
39729b6d
81759dd7