Getting Started With: Garry's Mod 9 (not the Steam version!)

guides · Garry's Mod · Aug 8, 2026
>how is this different from the actual game?    Garry's Mod 9 is the last version of GMod that was released before Garry went pay-to-play   >so this is completely free?   Obviously. That's how the game started after all >what are the actual difference from the Steam release? 1. GMod 9 runs at Source 2006 (used by Dark Messiah of Might and Magic, Half-Life 2: Episode One, Half-Life Deathmatch: Source and The Ship: Murder Party) while Steam GMod runs at Source 2013 (used by Portal (currently), Half-Life 2 (currently), Team Fortress 2, Fistful of Frags, No More Room in Hell and Zombie Panic! Source) >what are the difference between the gmod9.com and ModDB version The ModDB .exe is the outdated original download while the gmod9.com folder includes several critical bug fixes and QoL mods (PHX, GMOW, GModPlus) >How do i install it? (gmod9.com) (WIP, haven't gotten this version working yet) 1. Exit Steam 2. Go to https://gmod9.com/download.php 3. Extract "srv_gmod9_0_4b.zip" to and move the "gmod9" folder to C:\Program Files (x86)\Steam\steamapps\sourcemods 4. Open Steam again and you will find "Garry's Mod 9" in the library 5. Go to "gmod9\materials\console"" (or where else you installed it) 6. Find the file named "background01.vtf" 7. Copy "background01.vtf" and ensure the copy is named "startup_loading.vtf" 8. Find Source SDK Base 2006 in your Steam library 9. Properties > General > Launch Options 10. Insert "-game "C:\Program Files (x86)\Steam\steamapps\sourcemods\gmod9" (or wherever you installed the game) 11. Start Gmod 9 by launching Source SDK Base 2006. Ignore the "Garry's Mod 9" entry in your Steam library >How do i install it? (moddb) (not recommended) 1. Ensure that all three games are already installed: Half-Life 2, Half-Life 2: Deathmatch and Counter-Strike: Source. 2. Ensure that Source SDK Base 2006 is installed in your library (same applies when trying to run any Source Engine 2006 game) 2. Go to https://www.moddb.com/mods/garrys-mod/downloads/gmod-904 3. Run the installer 4. Ensure destination folder is set to "C:\Program Files (x86)\Steam\steamapps\sourcemods\gmod9" (or where ever Steam is installed) 5. Start Steam  6. Look in your Steam library and you should see "Garry's Mod 9" among the games 7. Go to "gmod9\materials\console"" (or where else you installed it) 8. Find the file named "background01.vtf" 9. Copy "background01.vtf" and ensure the copy is named "startup_loading.vtf" 10. Find Source SDK Base 2006 in your Steam library 11. Properties > General > Launch Options 12. Insert "-game "C:\Program Files (x86)\Steam\steamapps\sourcemods\gmod9" (or wherever you installed the game) 13. Start Gmod 9 by launching Source SDK Base 2006. Ignore the "Garry's Mod 9" entry in your Steam library >Error! Can't find background image materials/console/startup_loading.vtf >Engine Error. Could not load library client Follow segment 7 to 13 >Error! Can't find background image materials/console/background01_widescreen.vtf 7. Go to "gmod9\materials\console"" (or where else you installed it) 8. Find the file named "startup_loading.vtf" 9. Copy "startup_loading.vtf" and ensure the copy is named "background01_widescreen.vtf"
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