When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sandbox physics game Garry's Mod has been around for just about forever—since late 2004, to ...

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 ...