Half-Life is officially 25 years old. You might need a moment to absorb that - one of the greatest shooters of all time, which introduced the world to Black Mesa, Gordon Freeman, and the greatest NPC scientists in history, launched a full quarter of a century ago. To take away the sting, Valve has released a slew of new Half-Life material, including an updated version of the original game, restored cut characters and features for Half-Life Deathmatch, and a lot more. But there's one version of Half-Life that has just been airbrushed from history. As the FPS hits its silver anniversary, Valve has just delisted one iteration from Steam forever.
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