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 ...

Opening the Observatory near Subnautica 2's Alien Ruins requires you to activate the generator in the area first.

This Subnautica 2 guide explains how to repair the Axum Power Plant, activate the Alien Turbine, and unlock the Observatory ...

The best base locations in Subnautica 2 feature plenty of open space for building in, have some sort of power source within ...

Your main source of Conduit Crystal is around the alien power plant in the far east of the map. You’ll need the Tadpole Depth ...