I tried the game again, this time i was able to play but shooting stopped working for some reason. as for the flying "bug" try pressing space and E at the same time while moving left or right with arrows keys. you will fly up after a few tries, hope that helps in debugging process
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There is an ammo system (the white dots - they spawn over time during day at the flame). Just another thing that really needed a tutorial haha.
Thank you so much by the way! I was able to reproduce it on my end with those instructions. You have no idea how helpful that is. I should be able to figure out what is happening from that and avoid that mistake in the future.