Open the file half-life 2 content.gcf via GCFScape. Steamsteamapps for all the available GCF archives available. This program allows you to access the cached game files for games using the Source engine. Download and install GCFScape if you do not have it already.If you make a mistake during this hack, you may need to re-download Portal through Steam (or at worse, Half-life 2 through Steam). Unless you changed the install path, the directory is in. You need both Portal and Half-life 2 for starters.This process modifies your game files, so make back-ups of the proper files and directories before attempting this hack. If you've discovered a cheat you'd like to add to the page, or have a correction, please click EDIT and add it.
This page contains a list of cheats, codes, Easter eggs, tips, and other secrets for Half-Life 2: Episode One for PC.