Garry's Mod is now the best-selling PC exclusive of all-time with over 20 million copies sold. With so much influence across generations during its 18 year history, it's little surprise that Garry's ...

The internet is indebted to Garry's Mod. Without it, we wouldn't have Prop Hunt, Trouble in Terrorist Town, and the countless machinima that flooded YouTube in the late '00s. Garry's Mod is the ...