Added challenges for survival masters.
A horde of zombies running over an overpass.

Saber Interactive launched the "Limitless Strain" update for World War Z. This update is free for all players on PlayStation, XBOX, Steam, and Epic. It adds new Horde Mode daily challenges, six new mutators, three unlockable custom frames, seven bonus weapon perks, and more.


The Limitless Strain update introduces seven new deadly weapon perks to enhance your loadouts. Three new customized frames are also available to unlock after completing special milestones in game. And the bar has been raised with new Daily Challenges for Horde Mode for those brave enough to take them on. Do you have what it takes to survive?!

A brand-new set of six mutators is now available, as well, including:
  • Lethal Fumes: Booster infects nearby zombies after death
  • Still Alive: Zekes only die from shots to the head (Private Lobby only)
  • Deafening Scream: The Screamer's sound is deafening at any distance
  • Power Cut: Electric grids are shut down during the wave
  • Overheat: A stationary machine gun can overheat, making it unable to fire
  • Copycat: During the wave, only one type of special zombie appears
Also releasing today are two new weapon skin DLC packs, available for $4.99 each:
  • Chibi Bunko Weapon Skin Pack: Inspired by WWZ playable character Bunko Tatsumi, this colorful skin pack offers bold new looks for the 1911 Protector Pistol, TMP5 SMG, HAMR-17 Battle Rifle, ACW-20 Grenade Launcher, and RPG4 Rocket Launcher.
  • Chibi Daniela Weapon Skin Pack: Packed with a bright punch, cover your loadout with flashy new looks for the Mini-21 Scout Rifle, Dunali SxS Double-Barreled Shotgun, LAR Battle Rifle, BSS-2 Multi-Barreled Shotgun, and SchreiTech Forest Warrior Chainsaw.​