Mysterious new Half-Life app appears on Steam before 25th anniversary

Half-Life suddenly becomes a free game, but then Valve changes that, and then a new, mystery Half-Life app appears on Steam out of nowhere.

News - Platform - Half Life 25th Anniversary Update: Game gets new mini-campaign, 100% off until November 20, Now Steam Deck Verified (Documentary Released)

Half Life 25th Anniversary Update - All New Features - News

Half-Life is Steam Deck verified with new multiplayer maps for its 25th anniversary

Playing through the OG Half Life for the first time, what backlog games have you finally got to thanks to the Deck? : r/SteamDeck

Half-Life on Steam

Half-Life Goes Free-to-Play, Gets Huge Update for Its 25th Anniversary

Half-Life 25th Anniversary and TFC : r/teamfortressclassic

Half-Life 2 Soundtrack on Steam

Leaked Half-Life: Alyx images introduce new enemy

New Test build for Half-Life 1 detected - 25th Anniversary Update/Steam Deck optimizations incoming? : r/HalfLife

Valve makes Half-Life games free until Alyx release

Half-Life Is Free-to-Play on Its 25th Anniversary With New Updates and Steam Deck Verification

The original Half-Life got a 25th anniversary update!! #halflife #gami, half life

FREE Half-Life on Steam for a limited time!

Half-Life gets mysterious update ahead of its 25th anniversary