Various Cheats:
Go to the menu screen and enter a code below:

sunnycheats - Enable cheats

open all - Get all levels
gun Get Laser
magnet Get Magnet
water Get Water Ball
fire Get Fire Ball
acid Get Acid Ball
rocket Rocket Launcher
flash Thunder Bolt
ufo Summon UFO
four Four Ball
gotonext Skip Level
two Ball Doubler
addlife Extra Life