Hidden Invasion Cheats for Playstation 2

Enter at the title screen. A sound will confirm correct code entry.

Code:	Result:
Up, Down, Left, Right, Up, Down, Up, Down	Activate Neckbreaker
Left(2), Up(2), Right(2), Down(2)	Big head mode
Up, Down(2), Up, Left(2), Up, Right(2), Up(3)	Easy mode
Quickly rotate the Left Analog-stick counter-clockwise four times	Oogie Boogie mode