Everblue alternatively known as Forever Blue and Endless Ocean is a series of adventure games that take place in various oceans, seas, and occasionally rivers on planet Earth. The environments include coral reefs, kelp forests, Amazon rivers, arctic waters, open sea, and deep sea. The games share a large focus on exploration of both the area and wreckage of vessels and the cataloguing of discovered animal species.
The games follow a seasoned scuba diver as they guide tours, search for wreckage, practice photography, catalogue animal species, train whales, discover ancient ruins, manage an aquarium, and under take various other tasks. Occasionally certain special events will take place such as sea turtles laying their eggs on the shore, rampaging whales disturbed by noise, great white shark attacks, giant squid encounters, a Coelacanth discovery, ect.