Alien Town Invasion

Are you scratching your head because of the alien door in Subnautica 2? This curious-looking object is supposed to lead you to the inner recesses of the observatory. Likewise, just a short distance away, there's a massive turbine that seems to lack power. We've got all the details for you in this guide, but be ready for a few spoilers, too.Table of Contents [hide]Subnautica 2 guide - Alien observatory door and turbineAlien Ruins biomeSubnautica 2 guide - Alien observatory door and turbineThe alien observatory door in Subnautica 2 is fairly close to the Alien Ruins biome/marker, which is a key