Instructions
Turn on your Playstation 2 or Xbox platform and start "Nightmare Before Chistmas: Oogie's Revenge."
Press down, up, right, left, L3, R3 to unlock the Phantom Jack costume on your Xbox at the title screen or while playing the game.
Press up, down, left, right, R3, L3 to unlock the Phantom Jack costume on your Playstation 2 at the title screen or while playing the game.
Complete the game with an overall ranking of S and successfully complete both secret chapters to unlock the Phantom Jack costume without using cheat codes.
Go to Jack's closet to find your new unlocked costume.