This video is a screen recording of a first-person shooter game. The player is holding a gun and is moving through a series of rooms and corridors. The rooms are dimly lit and have a gritty, industrial feel to them. The player moves cautiously, peeking around corners and aiming their gun down the sights. The gun appears to be a revolver, and the player's hands are visible in the lower part of the screen. There are no other characters or enemies visible in the video. The player seems to be searching for something or someone, as they move from room to room.