Batman and Robin: The Animated Series Cheat Codes for Gamegear

Level Codes
Studio Scaffolding CKMKN
The Wonderland Set EEIR5
Gothem Interior FGIZL
Gothem Exterior APFB1
Nightmare Prision ASNJH
Nightmare Cemertary CAJQU
Amusement Park Entrance BAZZ3
Marrie Quiin Battle BOGBJ
Joker's Lair BCKJ7