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Gas Grenades are a type of lethal equipment in the Zombies mode of Call of Duty: Infinite Warfare, on every map except for The Beast from Beyond. Like the other lethals, it can be obtained from backpacks dropped by killed zombies.

When thrown, the grenade releases a cloud of gas that is lethal to zombies, turning them into crawlers briefly before killing them. This grenade does not deal any damage to players.