The following are known Action Replay Codes for Spy Kids 3-D: Game Over 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
7bde886e
ff35a8a9
5669121d
f23831f1

Infinite Health
b6836c42
656bf4c8

Infinite Lives
c6bbb7bb
39655f94

All Moves
9682f86a
530f79b1
95e82663
8b91d01e
ef58119f
8bcf9aa0
1a671bcd
ec32a612
a9e97a13
109a0374

All Levels Open
08fbac9e
23e1c97e
Beat one level to activate

All 3D Gallery Pictures
f5329774
56b11e74