Swimmingly good gameplay

Sick of shooting guns and fighting monsters? How about a gentle deep-sea swim as a dolphin? That's exactly what indie game developer Tigertron is offering players of its "Jupiter & Mars," which is proving to be one of this year's most unusual PlayStation 4 games.

Set in a future beyond mankind's disappearance, this first-person, single-player game has the player controlling Jupiter, a dolphin who is accompanied by a computer-controlled buddy named Mars. Echolocation is used to reveal the underwater seascape and Jupiter blows bubbles, called Vortex Rings, to free sea creatures trapped in human-made trash, while fending off harmful jellyfish.