The following are known Action Replay Codes for Boktai 2: Solar Boy Django 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
69883407
0fa9b929
fc05f51e
00d429c7

Infinite Money
599148a0
21b690ab

Invincibility
ae08b313
c5821cb7

Infinite Upgrade Points
3a5ec106
81d697d8
141bb87c
83d7018f

Infinite Health
7403588d
ec6011c5
9dcbc09c
62f8088e
c72a7570
d21583a8
9dcbc09c
62f8088e

Infinite Energy
6b78e4e7
e9835c15
0683b422
6e29fb3f