If you’ve played Exo Survival in Call of Duty: Advanced Warfare, you may have noticed a short teaser for what’s to come — Exo Zombies. A new co-op zombie experience set in the universe of Advanced Warfare; Exo Zombies will pit players against unknown zombie hordes with a challenging new spin: exoskeleton gameplay. If you haven’t unlocked the in-game easter egg, you can check it out in our new trailer for Exo Zombies:

But this is just a taste of what’s to come. The first chapter of the Exo Zombies experience will arrive with the Havoc DLC pack for Call of Duty: Advanced Warfare early next year. Havoc, as well three additional DLC packs, include new multiplayer content, bonus weapons, and more. Season Pass owners get all DLC and content for one low price.

For more on Call of Duty: Advanced Warfare, stay tuned to the Activision Games Blog and check out @CallofDuty and @SHGames on Twitter.