This video is a recording of a first-person shooter game. The player is holding a gun and is shooting at enemies. The enemies are also shooting back at the player. The player is moving around the game environment, which appears to be a building with stairs and hallways. The game's graphics are realistic, with detailed textures and lighting. The player's gun is visible in the lower right corner of the screen, and the enemies are shown in the center of the screen. The game's HUD (heads-up display) is visible at the top of the screen, showing the player's health, ammo, and other game-related information.