This video is a gameplay clip from a first-person shooter game. The player is holding a gun and is moving through a dilapidated building with broken walls and debris. The environment is dark and gloomy, with a blueish hue. The player moves cautiously, aiming the gun at various points in the room. Suddenly, an enemy character appears and the player shoots it, causing it to disappear. The player then continues to move through the building, looking for more enemies.