Xenogears (PlayStation)

GameShark, Pro Action Replay, Xploder, and Xplorer Codes

Note:
A GameShark or Pro Action Replay cartridge is required to use the codes featured below.

North American (NTSC) version

Debug mode:
8004F34C 0000 
thelouds

Official codes from InterAct.
Codes from The Game Shark Code Creator's Club.