This was well done! I played through a few times and couldn’t find a way to get Maria to freedom or to figure out where the voice came from–is either possible?–but everything is suitably chilling all the same.
Nope! I had ideas for more options to try and possibly a set of different endings but 4 hours isn't a lot of time. I spent a shameful amount of time on Demetrios' dialogue at the start of the game and so I ended up pruning the rest of the story.
