I think you got some weird loading bugs. The game sat at a frozen grey screen for over 30s after launching. Windows asked me if I wanted to kill the process because it's not responding. Same thing happened when I loaded into the level and it kept micro freezing for a second or two as I walked around. I alt F4'ed after reading the cringe dialogue. Sorry.
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Thanks for trying! Not sure where all the freezes come from, but after reading your comment i pulled out a weak laptop and it was bad there too (it has no real graphics card, so i dont really use it for testing anyways). Tried to identify whats causing these problems and made a new version with some improvements i hope. If it was really REALLY bad on your system it probably won't make it fluid though.