To celebrate the launch of Call of Duty: Black Ops 3 Zombies Chronicles on May 16, Treyarch will be hosting a 8 Days of the Undead event for Call of Duty: Black Ops 3.

The event will be available on Black Ops 3 on all platforms, and for Black Ops 3 Zombies Chronicles on PS4. Throughout the event, Treyarch will be hosting in-game giveaways, including calling cards and more, alongside Double XP events.

To celebrate launch day on May 16, Activision and Treyarch will kick off the “8 Days of the Undead,” during which players of Black Ops III on all platforms and players of Black Ops III Zombies Chronicles on PS4 will be able to earn double XP rewards, engage in community challenges, and receive a host of free exclusive content including a Zombies calling card, weapon camo, new GobbleGums and a PS4 theme.

Stay tuned for more info.