Creator behind Garry's Mod, originally a modification for Half-Life 2 but was later evolved into a standalone game.
He released Garry's Mod in 2004 for free.
He and partners Matthew Schwenk, Bryn Shurman, and Arthur Lee created Facepunch Studios.
He and his company Facepunch Studios are based in Walsall, England.
He is a game designer like Andrew Spinks.