Explore and unravel the mysteries in the depths of the Blue Hole by day and run a successful exotic sushi restaurant by night.

Dive into the ever-changing Blue Hole and use a harpoon and other weapons to catch fish and various creatures.

Upgrade and forge equipment with collected resources and sushi restaurant profits to prepare for the dangers that lurk in the unknown.

Running out of oxygen means leaving collected items and fish behind!

Minigames, side quests, and multiple storylines provide many hours of entertainment and varied gameplay.