Subnautica: Below Zero, the sequel to Subnautica, received its full release and once again tasks players with exploring Planet 4546B. Much like the original game, exploring the alien planet is easier said than done, as there are numerous environmental hazards and terrifying predators for players to contend with. Thankfully, the playable character, Robin, is extremely resourceful and can craft numerous items and suits to help her survive the harsh conditions.