A public appearance by Valve veteran Mike Morasky has provided what many fans consider the most direct verbal confirmation of the long-rumored project “HLX” to date. During a technical Q&A panel at GameSoundCon 2026 on October 21, Morasky explicitly named the project while discussing audio engineering, prompting an immediate attempt at damage control from his colleague on stage.
The slip-up occurred while Morasky, a composer and sound designer known for his work on Portal and Team Fortress 2, was comparing the technical implementations of High Dynamic Range (HDR) audio systems. Specifically, Morasky was contrasting the audio pipelines used in Valve’s recent hero shooter, Deadlock, against those currently being developed for HLX.
While Valve has maintained its traditional silence regarding unannounced projects, the internal reaction on stage suggested the mention was unintentional. Valve sound designer David Feise, who was seated next to Morasky, was caught on a hot mic whispering, “Nice work” and “Good job, you only said HLX once” immediately after the acronym was spoken.
The clip began circulating through the community on October 22, amplified by Valve reporters such as Tyler McVicker and Gabe Follower. While Morasky did not use the title “Half-Life 3,” the codename HLX has been a fixture of Source 2 engine datamines since early 2024. References to the project have appeared in code updates for Counter-Strike 2 and Dota 2, leading many technical analysts to believe HLX is the designation for a mainline, non-VR Half-Life title.
This verbal slip-up carries extra weight given Valve’s current hardware cycle. The company launched a new Steam Machine console earlier in 2026, but notably did so without a flagship “killer app” from its primary franchises. The community has long speculated that a project like HLX would serve as the definitive showcase for the new hardware’s capabilities.
According to a report from PC Gamer, this represents the first time a Valve staffer has mentioned the codename in a public forum, moving the project from the realm of file-system leaks into the physical world.
For years, the distinction between “HLVR” (the codename that eventually became Half-Life: Alyx) and “HLX” has been a point of focus for researchers. Current rumors suggest HLX is a traditional mouse-and-keyboard or controller-based experience intended to continue the narrative of the mainline series. However, Valve management has yet to officially acknowledge the project or its intended release window, and Morasky’s comments were strictly limited to the technical nuances of its soundscape.
