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The subject of this article appears in Call of Duty: Black Ops 4 The subject of this article appeared in Zombies mode
For the similarly named wonder weapon, see Thundergun.

The Tundragun is a Wonder Weapon featured in the Zombies map Tag Der Toten from Call of Duty: Black Ops 4.

It is a heavily modified Thundergun that fires cryo rounds. Once upgraded it becames the Boreas Blizzard.

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