Codes
     Enter while in a park, you will hear a chime if entered correctly.

All rides:
     Press   Square,   Circle,  Triangle,  Square,  Circle,  Triangle,
Triangle

All parks:
     Press  Square, Circle, Triangle, Square, Circle, Triangle, Square

Missions unlocked:
     Press  Square, Circle, Triangle, Square, Circle, Triangle, Circle

All Party Play mini-games:
     Press  Square,  Circle, Triangle, Square, Circle, Triangle, Right

Extra $50,000:
     Press Square, Circle, Triangle, Square, Circle, Triangle, X

500 thrill points:
     Press  Circle, Square, Triangle, Circle, Square, Triangle, Square

Mission completion:
     Press  Square, Circle, Triangle, Square, Circle, Triangle, Circle
while  in  any  park.  A  sound will confirm correct code entry. Press
Square  at  the  mission  selection screen to complete the highlighted
mission and unlock the next mission. Note: Each time Square is pressed
on  a  highlighted mission, the rank of the completion increases (from
bronze,   to   silver,  and  finally  gold).  Note:  To  reverse  your
progression on a mission, press Circle at the mission selection screen
to remove the highlighted mission medal.