The game follows Arden, an orphaned merperson, as they explore the underwater world of Meremanoia. The story is one of self-discovery and growth, as Arden encounters various creatures and allies that aid them on their journey.
The gameplay involves navigating through 3D environments, using the PlayStation controller to move forward, turn, and change direction. Players must use strategy and timing to overcome obstacles and defeat enemies, with the option to pause the game at any time to plan their next moves.