The video is a clip from a video game. The player is holding a gun and is shooting at zombies. The zombies are running towards the player and are being shot. The player is also shooting at other players in the game. The environment is dark and has a grim atmosphere. The gun is black and has a green light on it. The zombies are wearing different clothes and have different appearances. The player is shooting from behind cover and is moving around the environment to avoid being hit.