This video is a recording of a video game. The game appears to be a first-person shooter, with the player's character holding a gun and moving through a series of rooms and corridors. The player is shooting at other characters in the game, who are also armed and shooting back. The environment is dark and industrial, with metal walls and floors. The player's character is wearing a dark outfit, and the gun has a red laser sight. The other characters are wearing different colored outfits, and the gunfire is accompanied by sound effects.