At the end of one of the mining tunnels, there is a huge mining drill standing still. It has broken a wall into a chamber of alien origin hidden deep underground. It's unclear who built it and what it's for. Is this a mysterious vault to preserve something or a terrifying prison holding something terrible inside?
This map has 6 variants, all with gridded and gridless versions.
alien asteroid egg
alien mine infestation
space alien mine
scifi alien asteroid
alien mine nest
tentacles mine nest
mine nest grid
nest grid egg
nest grid unpropped
mine nest grid
mine nest egg
tentacles nest grid
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