One of the most cherished video games of the twenty-first century, at least when it comes to Steam exclusives, is Garry's Mod. It was first released on November 29, 2006, and in the twenty years since ...

Before we had the likes of Dreams and Roblox, we had Garry’s Mod, an open-source game development platform built within Valve’s Source engine. Garry’s Mod came out in 2006, just when Valve was at the ...