Half-Life 3 Hope Ignites After Valve Dev Slips Secret HLX Codename On Stage

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The never-ending Half-Life 3 saga continues, thanks to a passing mention of "HLX" by Valve composer Mike Morasky. For those unaware, past data mining efforts pointed toward HLX being a codename for Half-Life 3. The full quote is in the context of how HDR sound is handled by the Source 2 engine. Morasky stated, "I think Deadlock has their own version of HDR. You know, HLX has its own version, so on and so forth."

We have the first mention of HLX by a Valve employee.HLX files today. I'm working as quickly as I can. https://t.co/LhFBNOP1CU— Tyler "Hype Merchant" McVicker (@Tyler_McV) October 22, 2026

Within moments of Morasky leaving the stage, fellow Valve employee and Sound Designer Dave Feise whispered "Nice work!" This seemingly confirms that HLX was not intended to to be public knowledge despite the years of available leaks about the project. While rumors of the game...

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