Subnautica 2, currently in early access, sold 2 million copies within twelve hours of its launch. The game features a narrative involving an AI companion named NOA and the remnants of previous colonists, with players encountering the Masefield Syndrome linked to a colossal alien tree. The game includes a survival-crafting element where players must construct a Tadpole mini-sub to explore the ocean. It integrates tools and gadgets into the narrative, enhancing gameplay and driving players to uncover mysteries. The game has received some criticism for its stringent end-user license agreement but has made a significant impact in the gaming community.