: If you already own the base game or the Aftermath edition, both Horde Mode Z and the massive Horde Mode XL (available on PC, PS5, and Xbox Series X|S) were released as free post-launch updates.
Horde mode focuses on surviving endless waves of zombies that grow progressively more difficult. Warz: Horde Free Download
: Keep an eye on the Epic Games Store Free Games section; World War Z has been featured as a free "claim and keep" title in the past. : If you already own the base game