What is the name of the man that works at Valve Corporation who created GMod?
Garry's Mod Garry's Mod (commonly abbreviated as GMod) is a sandbox physics game created by Garry Newman and developed by his company, Facepunch Studios. "Garry's Mod" was originally a mod for Valve Corporation's "Half-Life 2", but was later made into a standalone release in 2006 for Microsoft Windows, published by Valve Corporation. Later updates saw an OS X port, added in 2010, and a version for Linux in 2013.
Game Description Language Game Description Language, or GDL, is a language designed by Michael Genesereth as part of the General Game Playing Project at Stanford University, California. GDL describes the state of a game as a series of facts, and the game mechanics as logical rules.