Call of Duty: Warzonewas developed by Infinity Ward and Raven Software, and was published by Activision in early 2020 as a free-to-play battle royale title. The game supports between 150 and 200 players, depending on the game mode, and had over 100 million players in 2021 according to Activision.Call of Duty: Warzonewas well received upon release, even being nominated forBest Multiplayer and Best Ongoing at The Game Awards 2020.

However,Call of Duty: Warzoneplayers are reporting a new gameplay-breaking bug that is ruining online matches. This latest glitch is one of a few problems to afflict the game this past week, which has been plagued by some serious bugs since December. This latest problem has been causing invisible gas clouds, in whatCall of Duty: Warzonefans are describing as an “absurd” bug.

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In a post to theWarzonecommunity on Reddit, user mario135790 shared a video of the bug, which appeared to show invisible gas clouds causing player damage. Typically, gas clouds appear as a distinct, green haze, allowing players to identify the threat. In this case, not only are the gas clouds not visible, but the damage radius appears to be glitching too, affecting players even when they aren’t near the shrinking gas circle. Other players posted evidence of the same issue, which seems to happen randomly and without obvious cause, potentially spoiling online matches. The issue seems to particularly affect thePlunder mode inCall of Duty: Warzone; some fans initially suspected hacking was involved, while other reports suggest it could be linked to players using Stopping Power rounds.

Call of Duty: Warzonehas had its fair share of problems recently. In December, another invisible damage glitch plagued the game, then involving an invisible Krampus from the Festive Fervor update, which would indiscriminately attack players. This week, players reported thatWarzonehackers were flying around the map in Big Bertha trucks, another blow to the perceived effectiveness of the ailing Ricochet anti-cheat system. Players also recently reported texture glitches affecting console versions of the game, drawing comparisons to N64-era graphics.

It’s possible thatCall of Duty: Warzonehas been caught up in the recent issues affecting Raven Software. For the past two months, Raven Software QA testers have been striking, and will now beunionizing as the Game Workers Alliance, reportedly the first to do so under Activision Blizzard. Meanwhile, Activision has been scrambling to address hacking issues for theCall of Dutyfranchise, recently suing major cheat provider EngineOwning as part of its effort to get these game-breaking issues under control. The company will need to move quickly to address the hacking and glitches, as problems inCall of Duty: Warzoneare starting to become a frustratingly common occurrence for players.

Call of Duty: Warzoneis available now on PC, PS4, PS5, Xbox One, and Xbox Series X/S.