Framerate issue on power station

[Vtin]

I've downloaded the Collection From Frictional's webpage, of course. Trouble is that I can't find any way to download it that doesn't require paying for the game again. But i'm not really sure that reinstalling the game will solve this... Any ideas?
Val

Where did you get Amnesia from?

I think this is the wrong section, Statyk.

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You might have wanted to say "Where you got Penumbra from?"