if you stand near the 1250 stair debris all the zombies will spawn out the window next to it

in the room with the simga lockdown switch if you stand in the back entrance the zombies will lose pathing

if you stand in front of the cell where lmg is and move side to side sometimes the back wall disappears and so does the wallbuy chalk especially if youre looking at an angle and not straight on

No path corner: https://youtu.be/XnTOnSHogtE