Subnautica
Developed by Unknown Worlds Entertainment
About the game — TGN editorial note
Subnautica is a survival adventure set on an ocean world, where the player, Ryley Robinson, is stranded after a spaceship crash. Exploring beneath the waves, you collect resources, cope with the local wildlife and work toward a way off the planet. Unknown Worlds Entertainment, an American studio, developed and published it, leaving early access in January 2018; it sold more than 5 million copies by January 2020.