The video is a first-person shooter game where the player is holding a gun and shooting at zombies. The game environment is a room with posters on the walls and a counter in the background. The player moves around the room, shooting at zombies that appear in front of them. The gun has a scope attached to it, and the player uses it to aim at the zombies. The video shows the player shooting at multiple zombies, with some of them exploding into a cloud of smoke upon being hit. The player's health and ammo count are visible on the screen.