Level codes...
	Passwords...

Enter these codes at the password screen in the options menu to reach the desired level.

Effect	Password
Level 2	AGES
Level 3	DUTY
Level 4	WARM

Enter these at the password screen for the desired effect.

Effect	Password
Activates a developer's tool in the pause menu. When you pause the game, you'll see your co-ordinates	AAAC
New password level	PURE
View game ending	HOPE