Just played your game.
The mouse sensitivity was too high for me, I couldn't really control the player as a result.
Otherwise, you've got a shooting mechanic, the enemies do die and they break/open doors if they get the chance.
Keep going.
I wonder why that is, I guess the problem was that I have changed my mouse sensitivity with settings on my mouse, which is lower than other peoples mouse? Here is the code I use : "https://imgur.com/a/ubptRxO"