The video shows a person playing a video game on a computer. The game appears to be a first-person shooter, and the player is holding a gun. The player is moving through a dark and narrow space, possibly a tunnel or a hallway, and is shooting at enemies that appear in front of them. The game's graphics are realistic, and the player seems to be skilled at navigating the game environment and aiming at the enemies. The video does not provide any information about the player's identity or the specific game being played.