Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working. If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. The following are known Action Replay Codes for Final Fantasy III on Nintendo DS (NDS). Anyone playing on a physical Gameboy will need to purchase a physical Gameshark device to use these codes. Category Title Hacker Code Notes Top - Ace 00FF - No Monster 0000 - Goblin 0001 - Killer Bee 0002 - Nutkin 0003 - Stray Cat 0004 - Steel Bat 0005 - Devil. If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. This page contains Gameshark cheat codes for Final Fantasy V Advance (USA). Final Fantasy V Advance Gameshark Codes (USA) For Final Fantasy V Advance on the Game Boy Advance, GameFAQs has 138 guides and walkthroughs.