Enter "Chris Sawyer" as a guest name to have them walk around and take pictures of your park.
Enter "Simon Foster" as a guest name to have them walk around and paint pictures in your park.
Enter "Katie Brayshaw" as a guest name to have them walk around and wave to everyone they meet.
Enter "Tony Day" as a guest name.
Enter "Melanie Warn" as a guest name.
Enter "John Mace" as a guest name.
Enter "John Wardley" as a guest name.
Enter "Damon Hill" as a guest name. Enter "Michael Schumacher" as a guest name to race even faster.
Successfully complete all levels to unlock the Mega Park.