Theme Park Codes -

Cheat mode
Enter BOVINE as a nickname. Press Circle + Square + X during game play. This code may be repeated as needed. Alternately, press Circle + Square + Triangle during game play. All rides, shops and attractions and more money will be available.

Super park:
Enter BUD as a nickname. Then, press Triangle at the park selection screen. After game play begins, maximum prices may be charged for the concessions, games, and park entrance.

More money:
Press Select rapidly to get more money.