In 2008, Activision and Treyarch released Call of Duty: World at War, and it featured a unique mini-game that players could unlock by beating the campaign. Call of Duty: World at War's unlockable Nazi Zombies mode became a surprise success, prompting Treyarch and Activision to release DLC maps for it and later expand on the experience in the Treyarch-developed Call of Duty: Black Ops and Call of Duty: Black Ops 2.
Nazi Zombies later became known simply as «Zombies,» and remained one of the Call of Duty franchise's most popular game modes whenever Treyarch was at the helm. Other Call of Duty studios took swings at Zombies, with varying degrees of success. For example, the Exo Zombies from Call of Duty: Advanced Warfare proved somewhat polarizing, with some fans enjoying the game's increased mobility, while others felt it was too much of a departure from the established Zombies formula.
Call of Duty: Vanguard Zombies is Finally Getting Round-Based Maps
As more Call of Duty games released, the more they strayed from Zombies' roots, taking the concept into fantastical directions and having an over-focus on «special» zombie types and gimmicks. Call of Duty: Black Ops Cold War's take on Zombies was noted for having a completely busted split-screen co-op feature, while Call of Duty: Vanguard's Zombies represents a low point for the fan favorite game mode.
Call of Duty: Vanguard's Zombies has not been well-received by the community. It moves away from the round-based structure of previous Zombies game modes, and like other recent iterations of Zombies, bogs itself down with goofy gimmicks. Not only that, but Call of Duty: Vanguard Zombies is incredibly easy, offering little to no challenge for longtime Zombies fans, giving them
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