The creator of Garry's Mod has revealed that he intentionally added an error message to the commercial version of the mod, which only appears in pirated versions of ...

If you've been having trouble with Garry's Mod lately, specifically the error, "Unable to shade polygon normals," don't take it to the Steam forums. You can solve that issue rather easily -- by buying ...

This is pretty great. You know Garry’s Mod, right? It’s basically a sandbox “game” built on the Source engine. It’s only $10, but apparently there are people out there who feel the need to pirate it.