The alien observatory door in Subnautica 2 is fairly close to the Alien Ruins biome/marker, which is a key objective once you’re done with the Tadpole Pens. If you’re just free-roaming, then the ...

After completing the first biome in Subnautica 2, you will arrive at the Angel Ruins. Here, you will come across many alien structures, some of which come with undecipherable markings. To read the ...