At the Information Center, click on the arrows until you see an elevator. Go in the elevator and click on the 3 for third floor. Then you will see two arrows. Click on the one on the right. You will see a desk with drawers. Click on the middle one. It will start telling you clues and about the cave code. While playing, press Z and T simultaneously to make the trees and flowers dance.

To let the Brickster escape, first build the helicopter. When you go outside, you will see the helicopter on the landing pad next to the jail. Now, you must be Pepper the pizza delivery kid. Deliver a pizza to the jail. The Brickster will use the pizza to escape and steal the helicopter. Then go around the island chasing the Brickster and picking up parts to the helicopter. After you collected all the parts, you must build the helicopter again. After you have done that, you will be flying the helicopter. Drop donuts to Nick and Lora to speed them up and pizzas to the Brickster to slow him down. Press ESC anytime in the game, you'll be with the Infomaniac. He'll ask you if you want to exit. Then turn on the radio and click the red brick. Now you can hear the radio at the credits.

To find a secret cave, First, go to the part of the island that sticks up. Then go as far down as you can go, then turn left and you will see a cave. Go in the cave, go up to the door, and click on it with your pointer. It should tell you different secrets. You can go to it as many times as you want.