Abzû

Abzû is an adventure video game developed by Giant Squid and published by 505 Games for PlayStation 4, Windows, Xbox One, Nintendo Switch, and Amazon Luna. Initially released as a digital title in August 2016, a retail version for consoles was released in January 2017. Following the journey of a diver exploring the ocean and restoring life using sonar calls, the gameplay allows the player to freely navigate underwater environments ranging from open water and natural caverns to ancient ruins. Development lasted three years, involving a team of thirteen people.