Call of Duty: Warzone 2.0 DMZ – How to Open the Bunker Doors in Koschei Complex

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The underground Koschei Complex in the DMZ mode of Call of Duty: Warzone 2.0 is one of the most unique experiences in the extraction game mode. Players must first load into the Al Mazrah map and then make their way to one of four entrances found across the map, with each entrance being to a different starting area. Each of these areas not only presents a different challenge to the player but also requires them to perform a unique task to open the bunker doors that lead to the Chemical Plant at the center of the facility. This guide will explain to players how to open all of the Bunker Doors in Koschei Complex in the DMZ mode for Call of Duty: Warzone 2.0.

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Each of the Koschei Complex entrances leads to a unique starting area, with each one requiring players to complete some sort of task in order to enter the central Chemical Plant area.

Both of these locations focus more on enemy engagements than solving a puzzle or navigating a dangerous area. Players will enter Koschei Complex through these areas when they enter through