This change caused incompatibilities with various modifications of the game.
Since version 13, we moved to use LuaJit.
Since version named Garry’s Mod 10 released on November 29, 2006, this game does not require any engine Source. Engine uses a modified Source, in which elements used video games recent, like those in The Orange Box and Left 4 Dead, but later became an independent game with the same content. Garry’s Mod, or just GMod, is a sandbox game that allows the usermanipulate objects and experiment with physics.
