This video is a screen recording of a video game. The game appears to be a first-person shooter, with the player's character holding a gun. The player is moving through a dark room with blue and yellow lights. The player aims and shoots at a wall, causing a blue light to appear. The player then moves to a different wall and shoots again, causing a yellow light to appear. The player continues to move through the room, aiming and shooting at different walls, causing various colored lights to appear. The video ends with the player continuing to move through the room.