Welcome to the kingdom of Aqualunia in Water cleaner, where water occupies ninety percent of the land and is the main source of life. Rivers and seas are replenished from underground springs, as well as from the rain that periodically falls on Aqualunia. But recently, coal-black clouds have begun to appear among the white clouds, and the drops from them are poisonous and destroy all life in the water. You need to shoot special red balls at the black drops to clean them into clear blue water in Water cleaner.
