When you enter the first level on Cotton Island, jump left into the water until you land on an island. Shoot the fruit on the tree three times and you will enter a bonus level. Beat it and you should be at the fifth level. Play through the level and you will enter the next level. Go down the hill until you see a cradle jup on it and dodge the fish. Wait until it goes up and land on the floating island. Shoot the fruit three times and you will enter another bonus level. Beat it and you will pass the Bobbins Brothers and you should end up on Acrrilic and you will be standing next to Plok's house.