Submerged - Gameplay Trailer | PS4

Submerged is a serene adventure set in a city that has mysteriously become flooded and overgrown. It follows the story of siblings Miku and Taku - the pair arrive in this strange place in a boat, and Miku has to carry her wounded brother Taku to shelter before she can start gathering the supplies she'll need to nurse him back to health.

http://www.uppercut-games.com/submerged