Counter-Strike Source soars to 13-year Steam high, and GMod may be the culprit

Nostalgics and newbies alike have swarmed to classic Valve shooter Counter-Strike Source. Hailed as one of the defining FPS games of its era, CS Source is now furiously bunnyhopping its way up the Steam charts, enjoying a wave of popularity unseen in over a decade. While there's no one obvious reason behind this explosion, an update to sandbox hit Garry's Mod may hold the answer.
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Counter-Strike 1.6 is getting a total remake, built by the legendary ProMod team