Well, I have a potato computer and also use Linux, so I definitely don't have a normal setup... About the camera adjustments, it's completely understandable, given the timeframe we had. I just wanted to add that as a comment in case you were looking for ways to improve the game easily.
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Given that you’re on Linux, then I might have some idea what might have been going on with the crashes. I learned that there’s some (as yet) unfixed issue where Godot will just randomly shutoff. I don’t think the issue is explicitly X11 vs Wayland either, as I use X11 on my laptop (running a gen 5 intel integrated graphics) and Wayland on my desktop (running on an AMD 6600XT), and Godot will still, randomly, just shut off without error. I have noticed it seems to happen significantly more often on the integrated graphics, though. This might be the issue, and, if so, I think this is a Godot engine issue.