@CowCat @BigFoot @BeWorld

OK, I finally got a chance to try everything out. I updated to Dhewm r6_2, TinyGL 9/4/2022 update and SDL 2.24.0.

The graphics are becoming smoother and I was able to make it to the first safe spot on the bridge with the Soul Cube (you can see this in the video when I turn around).

I recorded this video to show how the graphics behave when the Soul Cube is activated:

https://m.youtube.com/watch?v=d4WkIoS4y_w