Cheat mode
At the main menu, select "Bonuses", "Cheats", "Go Down", then enter one of the following codes. To enable cheats, pause the game, select "Cheats", "Go Down", then press X to activate a cheat.

Carl creates multicoloured balloons when he jumps
Enter "BALLOONPARTY" as a code.

Carl jumps from the teeter totter to lift Russell up in the air
Enter "CARLHEAVYWEIGHT" as a code.

Carl wears Muntz's aviator goggles
Enter "AVIATORGOGGLES" as a code.

Russell attracts all butterflies
Enter "BUTTERFLY" as a code.