Cody, Mark of the Ninja was in the humble bundle last week. Should always keep on eye on those. And yeah, I played Hotline Miami. I loved everything about it except the ending. Can't wait for the sequel.

Nieh, I played it for another hour and finally got to a couple pig monsters scenes. They ended up disappointing me too a bit.

[semi gameplay non-plot spoilers] They're pretty slow and you can take a decent amount of damage from them before dying. You don't really have to hide from them and they just chase you until you get to a door
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I still intend to finish it because it has an interesting atmosphere, but I've given up on it giving me the same Dark Descent experience.