The following are known Action Replay Codes for Tom Clancy’s Splinter Cell: Pandora Tomorrow 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
948dcde3
37662073
d7cdea65
9029315e

Infinite Health
698b9fb4
69f11c5a

Infinite Gun Ammo
33ed9e22
9b84e702

No Alarms
b64e0dda
00dfa3b2
f78d53a3
cbb724e8

All Missions Open
a2a4e9d0
324785b3