Half-Life 3 is not just in development, it's now "playable, end-to-end", leaker suggests
Half-Life 3 is reportedly playable in its entirety and could be announced this year
Fresh leaks suggest Half-Life 3 development may be nearing completion | Datamined engine updates suggest long-awaited sequel is in "polish and optimization" phase.
Valve fans desperate for Half-Life 3 news say they have evidence its hidden in Steam's back-end
Valve working on new project with a codename fans are linking to Half-Life
