Is Valve making Half-Life 3? Gabe Newell hints at the future of single-player games in Edge magazine

Developments in AI have Valve boss predicting a “tectonic shift in the industry” within next five years, reveals an exclusive interview in the new issue of Edge Magazine

Gabe Newell playing Half-Life in his office in April of 1998

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Half-Life 2: Episode Three (Game) - Giant Bomb

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No Half-Life 3, but here's what we learned from Gabe Newell's AMA

Gabe Newell updates his stance on Half-Life 3