Get all eight stamps, then talk to Woody Woodpecker near the globe. Select the magic show when you talk to him. Allow the credits to finish, then return to the title screen. The option for attraction mode will now be unlocked.
Night mode
Complete give attractions and the sun will go down.
Easy points
Repeatedly watch the Waterworld Show to get 100 points each time.
Easy money
Walk around the park, picking up trash and throwing it away.