Xenosaga: Episode 1 - Der Wille Zur Macht (PlayStation 2)

Xenosaga was intended to be the ambitious spiritual successor series to Xenogears, yet it only managed to span three games before being cancelled, which was largely due to the entire development staff being fired by Namco.

Twice.

Still, the Japan-only Xenosaga I & II compilation for the Nintendo DS answered many questions, as did Xenoblade Chronicles for the Wii.

Debug Menus
Using the following CodeBreaker codes, one at a time, you can access some exciting debug menus...almost. Press L1 to activate the code and L2 to deactivate it.

DA68310B B24F6D59 2A7B20BC 0C0B763E DA68310B B24F6D44 2A7B20BC 0C09138A
 * Simajiri Test-Battle Debug

DA68310B B24F6D59 2A7B20BC 0C09BD36 DA68310B B24F6D44 2A7B20BC 0C09138A
 * Endou Test: has many sub-menus with more debugging options.

DA68310B B24F6D59 2A7B20BC 0C095FB0 DA68310B B24F6D44 2A7B20BC 0C09138A DA68310B B24F6D59 2A7B20BC 0C0AF3A6 DA68310B B24F6D44 2A7B20BC 0C09138A
 * Yajima Test: has a Movie Viewer, Full UMA and Email Browser, among other things.
 * Karakama Test: a Sound Test.

DA68310B B24F6D59 2A7B20BC 0C0B6440 DA68310B B24F6D44 2A7B20BC 0C09138A
 * Yoshikawa Test: all options crash the game.