This video is a clip from a video game. The game appears to be set in a dark, industrial environment with metal walls and floors. The player character is a soldier wearing a helmet and holding a gun. The soldier is shooting at a large, monstrous creature that is attacking him. The creature has multiple tentacles and is covered in what appears to be blood. The soldier is taking damage, as indicated by a red flash on the screen. The video game graphics are realistic, with detailed textures and lighting effects.