(PS3) Aquanaut’s Holiday

The fourth installment in the series, Aquanaut’s Holiday is an adventure game set in the deep of the sea and the goal differs from version to version.
The PS3 release is focused on the research of a missing oceanographer and the player has to solve the mystery.
You can go down into the ocean with a small submarine called Dolphin n.2 and during your journey you will meet fishes, animals and all your discoveries will be added to a database; all areas, once unlocked, will be free to explore so it will take a lot of times to find every secret hidden in the ocean.