The following are known Action Replay Codes for Yu-Gi-Oh! GX: Duel Academy 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
ceffcae8
a2c7b6eb
e83a7b9c
eb2e4a92

Max / Infinite DP
1dcdddd9
d64a18fc
0e41262d
7ed3d889

Have All Cards
8b81b5e5
63589a73
3fc00060
ffe74a72
d2e997c5
984f2dbf
3fc00060
ffe74a72
4b873970
0a9f3dcb
3fc00060
ffe74a72
7a00c226
86c0ec79
3fc00060
ffe74a72
ee6a65d1
25352acd
a825eaaa
3970c2be

Press Select + R to Win Duel
ec7bd479
0e837891
edf96c0f
8b24de53

Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.
Code Indexes for Nintendo Game Boy Advance (GBA)

• Action Replay Code Index for Game Boy Advance
• Code Breaker Code Index for Game Boy Advance
• GameShark Code Index for Game Boy Advance

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