RollerCoaster Tycoon: Gold Edition cheats and cheat codes for PC

Cheat codes:
Enter the following names as a guest name:

Double payment for rides guest: Enter "John Mace"
Fast Gocarts: Enter "Damon Hill" 
Faster Gocarts: Enter "Michael Schumacher"
Guest paint pictures in your park: Enter "Simon Foster"
Guest take pictures of your park: Enter "Chris Sawyer"
Guest wave to everyone they meet: Enter "Katie Brayshaw"
Happy guest: Enter "Melanie Warn"
Hungry guest: Enter "Tony Day"
Pick pocket: Enter "Richard Tan"
Rich guests: Enter "Richard Branson"
Slower Gocarts: Enter "Mr Bean" or "Mr.Bean"
Wow! thinking guest: Enter "John Wardley"
Guest will increase park rating - John Bibrough

Multiple names

More than one person with the same name:
Change the capitalization of various letters.
Example: You can use "Tony Day" and "TONY DAY" on another person also.

Unlock Mega Park 
Finish all stages