Building 21 is a DMZ area you access with key cards from Al Mazrah. The goal is to extract weapon cases for rewards, including Silver Tox Chimera blueprint. Skip to main content ...

Season 1 Reloaded in Call of Duty Warzone DMZ arrived with a new playable area mysteriously titled Building 21.Once you've found the required keycards outside in Al Mazrah, you and some friends ...

Most of the good loot inside Building 21 will be locked, and players will need either red or blue key cards to open them. Unfortunately, these also drop randomly only in Al-Mazrah.

Call of Duty: Warzone 2's cooperative DMZ mode has tons of missions to complete and secrets to explore, but Season 1 Reloaded includes a brand-new area with the addition of Building 21. Here's ...

But it’s also going to be full of other teams since a few different faction missions require you to head inside. ... The first step is to find a key to get into Building 21. Yes, a key. This is ...

The midseason update of MW2 is here and, as expected, brings a ton of new features with it. A significant addition that will be arriving with the latest patch is a new area in DMZ called Building 21.

Call of Duty Warzone 2 DMZ players have encountered a few disturbing problems while accessing the Building 21 map. Your login session has expired. Please logout and login again.