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Valve Sound Designer Accidentally Confirms Half-Life Project
23 Oct
Summary
- Valve audio artist Mike Morasky mentioned 'HLX,' a known code name for a Half-Life project.
- The slip-up occurred during a panel at the GameSoundCon industry conference.
- Colleagues' reactions suggest the mention was an unintentional reveal.

A Valve sound designer's comment at a recent industry conference has reignited hopes for a new Half-Life game. Mike Morasky, a composer and audio artist at Valve, let slip the code name 'HLX' while discussing the company's HDR audio systems during a panel at GameSoundCon.
'HLX' has been rumored as the internal codename for Valve's next Half-Life installment since at least 2024, appearing in engine code. This marks the first time a Valve employee has publicly uttered the codename. Fellow sound designer David Feise's sarcastic response captured on video suggests the mention was an accidental leak.
While this utterance confirms 'HLX' is in development, it offers no timeline for an official announcement or release. Speculation about Valve's next major title has been fueled by previous unconfirmed rumors, such as journalist Mike Straw's past assertions about Half-Life 3 being a Steam Machine launch title, which did not materialize.
Veteran Valve watcher Tyler McVicker, who previously predicted a 2026 announcement, now believes a reveal this calendar year is unlikely. However, McVicker also noted increased coding activity within Valve, suggesting significant developments may be underway. The anticipation for a new Half-Life game continues, with fans eager for any official news.