This video is a clip from a video game. The player is holding a gun and shooting at zombies in a train. The train is moving, and the player is shooting at zombies who are trying to attack him. The player is shooting at the zombies from the back of the train. The video game has a dark and eerie atmosphere, with the train interior being dimly lit. The zombies are wearing tattered clothing and have a grotesque appearance. The player's gun is visible in the lower right corner of the screen, and the zombies are shown being hit and falling to the ground. The video game graphics are realistic, with detailed textures and lighting effects.