Subnautica is an open-world survival game set on an alien ocean planet after a crash-landing, tasking players with gathering resources, crafting equipment, and building bases beneath the waves. Exploration reveals a vast, biologically diverse underwater world filled with both wonder and danger.

A slowly unfolding story emerges as players venture deeper and uncover the secrets of the planet. It's suited to fans of survival games who enjoy atmospheric exploration paired with crafting and base-building.