A new Half-Life game is in development, Valve confirms

Upcoming VR title stars major Half-Life 2 character

Half Life 3 - News and what we'd love to see

Valve Developed Half-Life Without A Cohesive Plan, Devs Confirm

Half-Life 3 cancelled in 2015 as story and gameplay details leak

Gabe Newell confirms that more Valve games are in development

Half-Life level designer reveals early prototypes of original game, and they look much like Quake

Valve Developed Half-Life Without A Cohesive Plan, Devs Confirm

Half-Life 2: Episode 3

Half-Life roguelike shooter approved for Steam by Valve

Gabe Newell Confirms Development On Unannounced Source 2 Games; Not Averse To New Game Set in Half-Life

An hour of footage of Arkane's cancelled Half-Life game has been released

Development of the next Half-Life game, Half-Life Wiki

Valve's Half-Life 25th Anniversary Update now live, game is also free to claim on Steam - Neowin

Valve Patches 'Half-Life' And Expansions 19 Years After Release

Left 4 Dead 3 is not in development, Valve confirms

Valve Confirms a New Half-Life Game - No it's Not THAT One