Attempting to operate the Source SDK Hammer Level Editor in the Source 2006 engine for Half-Life 2 Deathmatch currently results in an error of: "Missing material, ...verify that your game directory is correct." If you have this problem, read on! This is a Source SDK bug caused by Valve and this is a work-around to fix the issue and operate the game in the Source 2009 version of the engine.

The cylinder method!

This patch will update ANY version of Half-life to the lates version, 1.1.1.0 Aimed at Owners still running their old CD version of HL or WON version as it's also know.

Browse PAK files- works with Quake based games too.

Version 1.25 of the Half-Life Model Viewer- browse PAKs and view models and their animations and skins