The Mermaid Outfit is one of the many costumes in the game that you can find out in the open world in Hello Kitty Island Adventure. You can collect and wear it to get gameplay advantages.

Looking to increase your stamina in Hello Kitty Island Adventure? Our guide covers what you need to know. At one point in Comic Relief, you'll need to locate three pieces of a Mermaid Outfit.

Whether they are wearing mermaid gear or wearing a stylish outfit, they are also able to customize that. Hello Kitty Island Adventure is already such a fun game, but it is even better with friends.