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.

Valve celebrates 25 years of Half-Life with feature-packed Steam update

Half-Life on Steam

For Half-Life's 25th anniversary, a big update has just arrived - Game News 24

How Valve Finally Fixed a Half-Life Bug That's Almost as Old as the Game Itself - IGN

A new, mysterious Half-Life app just appeared on Steam : r/Games

Black Mesa is in the Half-Life section of the steam sale which is pretty cool : r/Steam

Half-Life 2 is looking great with the most recent update! : r/HalfLife

Half Life 1 is now free to keep until November 20th : r/HalfLife

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

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 Adds Restored Content, Steam Deck Support, & More

Half-Life finally becomes Steam Deck Verified in massive 25th anniversary update - Dexerto