Outside link to all the information you'll need on this game, and more!
Courtesy of: Gamefaqs.com
During play, press Enter to open the dialogue box.
You can now enter one of the passwords below to enable the effect you require.
mptedthehead .... God mode
mpjuiceme .... Give you all talents on that stage (most all)
mpshipit .... Unlock all level.
Note: After activating the Level cheat, go main menu and go to single player
then choose chapter.
by: Nick P. Brown