Polygon of Reality

This is a first-person horror game in which you have to survive in an unknown complex, in which, for some unknown reason, there is not even one living soul. Can you find out the reason for what happened and get out of this hell?
Here you will be greeted by long corridors, dozens of doors, behind which anything can be hidden. There are various notes, documents on the tables, perhaps they will be able to find out about the secret of this place, but the main thing is to beware of the darkness, as it can hide a lot that, having heard only a faint sound, go in search of you ...