The following are known Action Replay Codes for Disney’s Atlantis: The Lost Empire on Nintendo Game Boy / Color (GB / GBC). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Have All Crystals
916392c2

Infinite Health
91af90c2

Infinite Lives
910991c2

Infinite Air
91af93c2

Level Modifier
91xx1ec1

Level 1
01

Level 2
02

Level 3
03

Level 4
04

Level 5
05

Level 6
06

Level 7
07

Level 8
08

Level 9
09

Level 10
0a

Level 11
0b