The following are known Action Replay Codes for Pac-Man Collection 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
116f9e4f
ce298e50
48f772b6
61f07450

PK – Max Score
692682e5
a2416da2

PK – Fairy Power
45b4a055
bd34ddce

PK – Max Level
9a7dd33d
407572de

PA – Inf Lives
94508442
5bcb1bff

PA – Max Score
e51c0ea5
f63d1fec

PA – AR But For Win
c6197bd7
8216b737
a05a144c
078b0074

PA – Last Level
f8011bff
f68187a2

PM – Inf Lives
33106635
feed7e68

PMA – Inf Lives
f08da002
6bb0a3de

PMA – Max Score
a4122570
19129e9f