The video shows a first-person shooter game where the player is moving through a building with a gun. The player is shooting at zombies and other enemies that are attacking them. The game environment is dark and gritty, with the player moving through rooms and hallways. The player's gun is visible in the lower part of the screen, and there are indicators for health and ammo on the screen. The player is also seen reloading their gun and using a flashlight to illuminate the dark areas.