"Hot Coffee" Easter Egg
     Enter 686F7420636F66666565 (case sensitive) into the game's cheat
menu  and  you  will  get  to  see  a short one minute video about hot
coffee.

Chicken Curry Video
     Enter chicken (case sensitive) into the game's cheat menu and you
will get to see Chicken Curry Video.

Stable option for all levels on the mission select screen
     Enter  koelsch  (case  sensitive)  into  the game's cheat menu to
unlock stable option for all levels on the mission select screen.