The video shows a person playing a game on a mobile device. The game appears to be a role-playing game with a medieval theme. The player is controlling a character who is fighting against a group of zombies. The character is wearing armor and has a sword. The zombies are dressed in tattered clothing and are attacking the player's character. The game's graphics are colorful and detailed, with a dark, moody atmosphere. The player successfully defeats the zombies and receives a message that reads "Death Knight: Go forth, my pet!"