In the video, a person is playing a video game. The game appears to be a first-person shooter, with the player controlling a character who is holding a gun. The character is moving around a rocky terrain with large boulders and walls made of metal. The sky is clear and blue, and there are no other characters or objects in the immediate vicinity. The player seems to be aiming and shooting at targets, as indicated by the movement of the gun and the sound of gunfire. The game's graphics are realistic, with detailed textures and lighting effects.