Looks like the crash is universal across OSes then.
I'm aware of the rotating thing, it technically was offset, but I had to enlarge the whole scene since I made the sprites in a rush, and too small.
As for the damage boost, at the beginning it's not very significant, however, when you pickup better weapons later, it makes all the difference. Unfortunately, you didn't get to experience that because of the crashes, which I'm trying to get uploaded very soon. If you really are willing enough to try the game in full, however, you can build the game from source.
Regardless of the issues, thank you so much for kind words, and your play! It's much appreciated!