Your task is to make happy, or rather, revive corals in Happy Corals. Recently, the sea has become increasingly polluted, and corals are the first to suffer from this. The algae that make them up die, and the corals themselves lose color and die. However, they can be brought back to life and made bright and vibrant again by giving them algae back. Go down to the bottom with a scuba diver, collect algae and revive the corals. Keep an eye on the oxygen level in your tanks and ascend to Happy Corals on time.
