[Machine Translation] Dive into an icy underwater adventure on an alien planet. Billow Zero is a world set one year after the previous game, Subnautica. Can you survive in a world where both above and below the surface are frozen like ice? Make full use of crafting tools and equipment to uncover the next story of Subnautica. Survival is the key: Use your resources and crafting tools to prepare for hunger and thirst and survive in a world of dangerous wildlife. The mystery of the sunken planet 4546B: Can you escape and uncover the truth about this planet that has been reached beyond peril? Explore: Explore the biomes with unique aquatic life and terrain, collect crafting materials as well as find new clues to explore. / Base building: Build a cozy base. Build a base to protect yourself from the harsh environment and wild animals. PlayStation4 package version purchasers can upgrade to the PlayStation5 version at no additional cost. (For those who purchased the packaged version, upgrades are not available for digital editions without a PS5 disc drive) *Upgrade content and specifications are subject to change without notice.