In the video, a person is playing a first-person shooter game. The game environment is a futuristic-looking corridor with blue and red lights. The player is holding a gun and is moving forward through the corridor. The gun is pointed forward, and the player is aiming down the sights. The game's HUD (heads-up display) is visible, showing the player's health, ammunition, and other game-related information. The player is moving cautiously, taking cover behind corners and aiming for any potential enemies. The corridor is empty, and there are no other characters or objects in sight. The player continues to move forward, scanning the environment for any signs of danger.