Cheat Codes:
Activate the following cheats by pressing the corresponding sequences of buttons while in any park:
All parks – Square, Circle, Triangle, Square, Circle, Triangle, Square
All rides – Square, Circle, Triangle, Square, Circle, Triangle(2)
Extra $50,000 – Square, Circle, Triangle, Square, Circle, Triangle, X.
Mission completion – Square, Circle, Triangle, Square, Circle, Triangle, Circle. Then at the mission selection screen, press Square 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.
Mini-games:
To unlock the final two mini-games, get a 100% game completion.
Easy friendship:
Tap X on the Chat menu instead of choosing which is the best conversation for someone.
Easy money:
In Career mode, get good rides and leave the game running while you are sleeping. You should have lots of money afterwards.
Faster Romance:
Play the Flirt mini-game instead of the regular conversation. Note: This option only becomes available after you reach the Love Interest level.
Keep pressing the third icon to either become their friend or sweetheart faster.
Different hat style:
Change the Hat Stall theme. To do this, press Square, then choose “Inventory”. Select the Hat Stall, select “Customize Style”, then choose the themes. Change it with Left or Right.