Thank you for the feedback. I've seen a couple other people mention this in their comments. I think if I build a full version I might experiment with a motion sickness option that turns off the camera shake and also slows or turns off the spinning animation.
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Those seem like good ideas! I was actually thinking about this at work yesterday lol. I think maybe if you create a circle of darkness around the edges of the screen while it's spinning it might help. A lot of motion sickness things in VR do something similar when you are walking and I think shrinking/de-emphasizing the amount of spinning content would help a ton.