So, I am playing on an Xbox One X, and I decided to go to the bunker at coordinates (-12.754, 3084.793) I decided I needed to heal after entering the gas, and when I pulled up my inventory. All of a sudden, I died, and I saw that I somehow glitched underneath the bunker floor.
I have also found a glitch that works with any church. If you go to the top of the tower, then go to the window to the left near the roof, you just need to get on the window, get as close as you can to the roof, and when you jump to the roof, you glitch through the ceiling, rendering you invincible but able to kill robots. This happened to me on the same day as this.