1.Zombies are still running through walls.
2.Player will sometimes run off a building while trying to go down a ladder.
3.Falling through the floor of the hospital, I feel through in the back of the staircase next to the chairs, same with the super market.
4.Running so fast i phased through a wall and got stuck.
5.Spiriting down stair leads to instant death; Have not tried more than once.