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 ...
The Bioscanner in Subnautica 2 is an upgrade to the standard Scanner, and getting it means making a trip to the Cicada Wreck, a location that also happens to hold some other useful finds worth picking ...
Here's how to fix the Translation Failed notice when you hover over the alien symbols in Subnautica 2.