OH my god I could just kiss you! I love these kinds of games, and you're definitely living up to your inspirations you've listed!
Now the spoilery part
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1. I don't know if I'm done. I found all the deaths, including K, and got the second email titled "Final", but I have 97 documents, instead of 98 like some other people do.
I think K puzzle was just right, no reason to make it any simpler btw.
2. I didn't get why I had to name acts, but that's ok, didn't use it anyway, instead searched for "" match, which listed all the docs very nicely grouped by scene.
3. Why does Oswald say you'd be punished for forgetting, while in reality you got punished for the opposite: for remembering them? Was there a pattern to who remembered whom?