NeowinGaming: Revisiting Valve's Half-Life franchise - Neowin

Spanning nearly two decades, one franchise has stood the test of time, and that is Half-Life, which has remained one of PC gaming's best franchises and has molded the platform into what it is today.

Valve Registers Mystery Video Game Trademark for 'Neon Prime' - IGN

Half-Life fans create new spinoff game featuring OG Valve voice actor

Valve's Half-Life is now 25 Years Old!

Valve Registers Mystery Video Game Trademark for 'Neon Prime' - IGN

Half-Life: Threewave - Valve's Unreleased Game

It's Not Half-Life 3, But Valve Announces a New Game in the

Valve Registers Mystery Video Game Trademark for 'Neon Prime' - IGN

NeowinGaming: Revisiting Valve's Half-Life franchise - Neowin

Valve Registers Mystery Video Game Trademark for 'Neon Prime' - IGN

NeowinGaming: Revisiting Valve's Half-Life franchise - Neowin

Mr. Valve, Half-Life Wiki

Five years later, Valve finally fixes Half-Life 2's non-blinking