Summary:
- The article discusses the new DLC for the video game "World War Z: Aftermath," which introduces a new game mode called "Horde Mode XL."
- In this mode, players must work together to survive against waves of increasingly difficult zombies, known as the "undead."
- The DLC also includes new weapons, maps, and a new character class, allowing players to customize their experience and strategies for tackling the zombie hordes.