Valve developer accidentally references Half-Life 3 codename on livestream

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Hopes for Half-Life 3 reignited after a Valve developer accidentally referenced the game's codename during a public livestream, Eurogamer reported on October 23, 2026, adding to a recent swell of reports suggesting the long-rumored sequel is in active development nearly two decades after Half-Life 2: Episode 2.

Sources:Eurogamer PC Gamer GameSpot IGN

4 outlets · 4 articles · first seen Oct 22, 4:01 PM ET

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Half-Life 3 is back in the news again as Valve developer accidentally sort-of references it in public, reigniting hope once more Eurogamer
Half-Life 3 re-re-re-confirmed: A Valve dev just said 'HLX' out loud PC Gamer
Why People Think Valve Just Accidentally Confirmed Half-Life 3 GameSpot
Valve Developer Mistakenly Mentions Rumored Half-Life 3 Codename IGN