So i am on the maintenance floor one i got into a fire fight just earlier on the engineering floor 2 just earlier. I fought a cacodemn and a machine gun zombie. During this time the fps started to drop a lot almost down to 3fps then the game froze. After a few moments it started back up and i killed the enemies with a stuttery fps. The game then returned to normal up until the moment i saw or was attacked by an enemy. The fps dropped down to about 15 and went back up when they died. This has also become the case with the flash light turned on, reducing the fps while using it. Obviously its some issue with the lighting effects. I tried to refresh the cashe but no luck.
Is anyone else having this problem?