WithCounter-Strike 2recently confirmed by Valve, numerous details about the sequel continue to emerge, including a reference toLeft 4 Dead 3in the game’s file. Though Valve has not only confirmed the existence ofCounter-Strike 2but has unveiled a test phase for it, the developer remains tight-lipped about a potentialLeft 4 Dead 3.

Beyond Steam and the Steam Deck, Valve is also known for developing many successful games like the variousCounter-Striketitles,Portal, andTeam Fortress 2despite these releases becoming more sporadic over time.Left 4 Dead 3andHalf-Life 3have been rumoredfor so long that the speculation has turned into jokes occasionally shared by the community and Valve President Gabe Newell alike. While theHalf-Lifefranchise was reinvigorated withHalf-Life: Alyxin 2020 andCounter-Strike 2is set to release this year, many Valve fans continue to ponder whenLeft 4 Dead 3will get similar treatment from the developer.

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Reddit user PaP3s has garnered 3,900 upvotes on a screenshot of code they dug up in theCounter-Strike 2files that seems to point toward the existence of thelong-rumoredLeft 4 Dead 3. Underneath a category dubbedLeft 4 Dead 3, a string of words including things like “version” and “product” can be seen, but the other side has a much more interesting detail to it that has raised the eyebrows of some responding fans. In the right column of code, “left4dead3” sits near the bottom above “other,” which has caused some Valve enthusiasts to speculate that the old rumors about the FPS zombie game may have some validity to them.

Although one reference toLeft 4 Dead 3in theCounter-Strike 2files may be nothing to spark interest, a full category dedicated to the potential Valve title may have converted some nonbelievers. ThisLeft 4 Dead 3section of theCounter-Strike 2files only takes up nine lines of what is a rather extensive set of code like with most games, with PaP3s spotting it between 49 and 58 in their screenshot. As theLeft 4 Dead 3text lines up with the product text on the other side, some Valve fans are anticipating the announcement of a sequel to the series after being caught off-guard by thesurpriseCounter-Strike 2reveal.

While the code inCounter-Strike 2may be enough to raise the hopes of some dedicatedLeft 4 Deadfans, there are currently no details about it or if the sequel even exists behind the scenes. Valve wouldn’t be the first developer to hint at future releases through code hidden in the back end for dataminers and hackers to uncover messages as othergames likeFortniteand someGrand Theft Autoreleases have done so in the past.