Thank you! Yeah, I took a risk by trying to blend those two genres together so I can understand that it's not everyone's cup of tea. However, just so you're aware, there is an option in the advanced settings (or by pressing P while crawling) which locks the camera forward and lets the mouse control your crosshair. I'd be interested to see if that "solves" the issue you're having. I haven't tested it extensively as it was an addition I made in the last few hours before the deadline, but it may feel better for you to play that way.
I appreciate the feedback, and thank you for playing! :D