Valve developer's 'HLX' mention revives Half-Life 3 rumors

A Valve developer appears to have said the name "HLX" out loud during a talk about game audio, and Half-Life fans have noticed. HLX is a long-rumored codename for the next Half-Life game, so the slip has set off another round of speculation. It is not a formal announcement.

What was said

According to GameSpot, the remark came at the Game Sound Con event. Valve sound designer Mike Morasky was explaining how Valve's games use high dynamic range (HDR) audio systems. He pointed out that Deadlock, Valve's upcoming game, has its own version of HDR, and that so does a project called HLX.

GameSpot says another Valve developer sitting next to Morasky then told him "Nice work." The outlet reads that as a reaction to Morasky possibly having let something slip.

Rock Paper Shotgun places the moment about an hour into a panel on sound in video games. It describes the speaker as a Valve composer and notes that HLX is a rumored codename for the next entry in the series.

IGN says the developer mistakenly mentioned the codename during a recent conference. Eurogamer describes it as an accidental, "sort-of" public reference made during a livestream.

How much does it prove?

Not much on its own. None of the coverage points to an official Valve announcement, and the codename was said in passing during a technical discussion. PC Gamer joked that Half-Life 3 had been "re-re-re-confirmed" and said there is "no mistaking it this time," but that is the outlet's own reading of the moment, not a statement from Valve.

The context matters, though. Eurogamer notes that a swell of reports had already suggested Half-Life 3 is real and that its development is well underway. Those reports are unconfirmed, and the HLX mention fits them without settling anything.

Why the wait feels so long

It has been 19 years since Half-Life 2: Episode 2, Eurogamer points out, and fans have been asking for a Valve game with a "3" in the title ever since. That is why even a few letters in a talk about sound design can get people talking again.

For now, here is what players can say with confidence:

• A Valve developer mentioned a project called HLX while discussing HDR audio, according to GameSpot.
• HLX is a rumored codename for the next Half-Life game, according to Rock Paper Shotgun and IGN.
• None of the coverage describes an official Valve announcement of a new Half-Life game.

Until Valve says more, treat this as an intriguing slip and not a release plan.