The following are known Action Replay Codes for Max Payne 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
b1e0d38b
dd6375e1
52a8ef5f
34314d82

All Levels Unlocked
50157f80
ddffe686

Infinite Health
78832770
8fee196f

Infinite Continues
543c70ae
91597cc6

Infinite Bullet Time
098d63d9
f753b6db

Infinite Pain Killers
542a4ac9
4fa3dc47

Have All Weapons
ce8de632
bf2eb70b
08a302aa
1e60aa6c
f2ddb54d
266d54f5
9f6bd139
a2242670
ceec0158
7e28b34d
0f531429
541ea194

Infinite Ammo All Weapons
1461a091
761848e5
c9a04464
63a5ca2b
b930415a
be656ec4
c599524c
b993c5ee
3a98abf6
74648d0f
eed6b810
a974c9dc
f0f7a916
e15b89fd