All missions
While in a park, press Square, Circle, Triangle, Square, Circle, Triangle, Circle to unlock all missions. If you entered the code correctly, you will hear a sound.

All parks
While in a park, press Square, Circle, Triangle, Square, Circle, Triangle, Square to unlock all parks. If you entered the code correctly, you will hear a sound.

All rides
While in a park, press Square, Circle, Triangle, Square, Circle, Triangle(2) to unlock all rides. If you entered the code correctly, you will hear a sound.

All Party Play mini-games
While in a park, press Square, Circle, Triangle, Square, Circle, Triangle, Right to unlock all Party Play mini-games. If you entered the code correctly, you will hear a sound.

$50,000
While in a park, press Square, Circle, Triangle, Square, Circle, Triangle, X. If you entered the code correctly, you will hear a sound.

500 Thrill points
While in a park, press Circle, Square, Triangle, Circle, Square, Triangle, Square. If you entered the code correctly, you will hear a sound.

Mission completion
While in a park, press Square, Circle, Triangle, Square, Circle, Triangle, Circle. If you entered the code correctly, you will hear a sound. 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). To reverse your progression on a mission, press Circle at the mission selection screen to remove the highlighted mission medal.

Getting Thrill points
You can get Thrill Points for doing almost anything, such as running a mile, riding a coaster, painting a stall, etc. If you get enough Thrill points, you will advance to the next managerial level. A good way to earn Thrill Points is to pick up shiny signs that can be from shrapnel to an anti-Thrillville ad.