Garry's Mod

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Garry's Mod
Garry's Mod Logo.jpg
Release dates
November 29, 2006
September 23, 2010
June 5, 2013
Garry's Mod at SteamDB
 Garry's Mod at Wikipedia

Key points

Advantage Extensive modding community, including Steam Workshop integration.
Advantage Receives frequent updates
Advantage Runs on low-end hardware[1]

General information

More information GitHub Issue Tracker for Garry's Mod
More information Official Garry's Mod Blog
More information Official Garry's Mod Wiki
More information Steam Community Discussions
More information Steam Users' Forums


Source DRM Notes Keys
Steam Availability Table Icons - Steam.svg
Information All versions require Steam.

Essential improvements[edit]

Skip intro videos[edit]

Fix -novid

  1. Find Garry's Mod in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -novid
  6. Press OK
  7. Launch the game

Garry's Mod V3-V9[edit]

All of the older mod versions of Garry's Mod are available at the Facepunch forums, modified to work with Steam.

Game data[edit]

Configuration file(s) location[edit]

Windows <path-to-game>\garrysmod\cfg
Linux <path-to-game>/garrysmod/cfg

Save game data location[edit]

Windows <path-to-game>\garrysmod\saves

Save game cloud syncing[edit]

System Native Notes
Steam Cloud Native support
GameSave Manager Native support

Video settings[edit]

Video settings
Advanced video settings
Graphics option Option WSGF Notes
Widescreen resolution Native support WSGF WS Gold.svg
Multi-monitor Native support WSGF MM Silver.svg
Field of view (FOV) Native support
Windowed Native support
Borderless fullscreen windowed Hackable Launch the game with -window -noborder parameter
Anisotropic filtering (AF) Native support Up to 16 samples.
Anti-aliasing (AA) Native support Up to 8x MSAA and 16xQ CSAA.
Vertical sync (Vsync) Native support
High frame rate Native support 300 FPS, like all Source Engine based games.

Input settings[edit]

Input settings
Keyboard and mouse Native Notes
Remapping Native support
Mouse acceleration Native support
Mouse input in menus Native support
Mouse Y-axis inversion Native support
Controller support No native support

Audio settings[edit]

Audio settings
Audio options Native Notes
Separate volume controls Native support Over-all game volume and separate music slider.
Surround sound Native support 7.1, 5.1 surround sound, 4 speaker surround.
Subtitles Native support
Closed captions Native support
Mute on focus lost Native support "Silence the audio while the game window is in the background" check box.


Language UI Audio CC Notes
English Native support Native support Native support


Multiplayer types

Type Native Notes
LAN play Native support
Online play Native support

Connection types

Type Native Notes
Matchmaking No native support
Peer-to-peer Native support
Dedicated Native support
Self-hosting Native support Dedicated Server software is available under Tools in the Steam client.
Direct IP Hackable Open the console (~) and enter connect followed by the IP and port.


Protocol Port(s) and/or port range(s)
TCP (outbound) 27014-27050
UDP (outbound) 3478, 4379-4380, 27000-27030

VR Support[edit]

Devices Native Notes
TrackIR Hackable Available here

Issues fixed[edit]

Textures/Models Not Loading[edit]

Fix Textures/Models Not Loading

  • Missing textures are indicated by a black and pink checkerboard pattern in place of where the texture should be.
  • Missing models are indicated by large, red, flashing 'ERROR' signs in place of where the model should be.
Information Garry's Mod uses textures and models from other games, you need to install the following games for the best experience: Half-Life 2 (and its episodes), Portal, Counter-Strike: Source, and Team Fortress 2.
Information If you own the games above and experience texture/model issues, it is most likely a one-off issue and can generally be resolved by closing the game and restarting Steam.

Fix Convert games with dependent assets to SteamPipe

In 2013, many Source Engine games were converted to the new SteamPipe content delivery system, changing where their content is stored. Garry's Mod looks for assets in the new location.

Information If you have launched or installed a game with depending assets after they were moved to SteamPipe, they have already been converted.
  1. Launch the game whose assets aren't loading. Steam may highlight the game in your library with a notice "Update required".
  2. If a window named "Game content conversion" appears, the game requires conversion. Press OK.
    • If this window does not appear and the game launches as usual, then the game does not require conversion.
  3. Wait for the conversion to complete.
  4. The game may need to download additional updates after conversion. Wait until the game is fully updated.
  5. Repeat for every game with dependent assets.
  6. Launch Garry's Mod.

Game crashes at title screen[edit]

Fix Game crashes at the title screen, after the loading screen.

Information Not a proper fix; Simply a work-around.
  1. Find Garry's Mod in your Steam Library
  2. Select Properties
  3. Select Set Launch Options...
  4. Enter +connect 1:1
  5. Press OK
Information When the game opens, it will take you to a Connecting to Server screen. After a few seconds it should dissappear and take you to the title screen. It will then freeze for a few seconds, then function normally.
Information Sometimes you may need to press Alt+Tab then go back into the game for this to work.

Unable to open Developer Console[edit]

Fix Unable to open Developer Console

Information Most of the time the console can be opened by pressing ~ or the key above Tab .
Information If your keyboard does not have the default key for the console, you can edit it directly in the <path-to-game>\garrysmod\cfg\config.cfg file. Open config.cfg in your favourite editor (e.g. Notepad), and edit the line that says bind "`" "toggleconsole" to something like bind "F10" "toggleconsole", which will bind the console to F10. Save and close the file and enjoy your new keybinding.

Hosting a listen server[edit]

Fix Start listen server

Information To host a server while playing, one must be able to forward ports and enter a console command.
  1. Forward the ports 27015 and 27005
  2. Enter sv_lan 0 in the console
  3. Press "Play Multiplayer" and select a map
  4. Others should now be able to join
Information In order for your server to show up on the server list, you must change sv_region to a value corresponding to your region.

Installing Mods[edit]

Fix Extract mods to the addons folder

  1. Download the mod files
  2. Go to <path-to-game>\addons\
  3. Extract mod files here

Low FPS Fix[edit]

Fix Launch parameters

  1. Find Garry's Mod in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Enter -dev -console -novid -dxlevel 70 +cl_showfps -w -nomemrestrict -norestrictions -percentvidmem 100 +mat_antialias 0 -refresh 60 -heapsize 1048576
    1. The -heapsize 104876 parameter assumes you have 2 GB RAM.
  6. Press OK
Information Each time you boot Garry's Mod, you will need to go into your options and turn all settings to low, with anti-aliasing and filtering off

Could not load library client (Unknown Error) - Linux[edit]

Fix Install missing libraries

  • Seems to be caused by missing 32bit gconf libraries. Simply install the lib32 gconf package for your system (libgconf-2-4:i386 for debian-based systems, libgconf-2.i386 for rpm-based distros, and lib32-gconf on the AUR for arch users).

Other information[edit]


Technical specs Supported Notes
Direct3D 6, 7, 8, 8.1, 9
OpenGL 2.1 OS X and Linux only.
Shader Model support 2, 3
64-bit executable Native support OS X and Linux only.[citation needed]


Middleware Notes
Physics Havok Heavily modified variant.
Audio Miles Sound System
Cutscenes Bink Video
Multiplayer Steamworks

Console commands[edit]

Information Games running on the Source engine can utilize Source Engine Console Commands for various tasks.

Fix Enabling the console in Source games

  1. Launch the game
  2. From the main menu select Options
  3. Select the Keyboard tab
  4. Click the Advanced button
  5. Check the box next to Enable developer console (~)
  6. Click Apply


Information Press ~ to open the console.
Information Some commands may first require you enabling sv_cheats. You can do so with sv_cheats 1.
Information Many servers will not allow you to play with cheats enabled, or will disable them upon entering the server.
Disadvantage Users without a US keyboard could experience some problems.
Information You can also have the console open by default on launch by following this guide:

Fix -console

  1. Find the game in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -console
  6. Press OK
  7. Launch the game

Launch options[edit]

Information View this Steam Support Article regarding launch options as well as the relevant Valve Developer wiki page for further information and a list of useful Source engine launch options.

Fix Enabling a launch parameter

  1. Find the game in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input your selected launch options and separate each command with a space
  6. Press OK
  7. Launch the game

System requirements[edit]

Minimum Recommended
Operating system (OS)
2000, XP, Vista, 7
Processor (CPU) 1.7 GHz 3.0 GHz
System memory (RAM) 512 MB 1 GB
Hard disk drive (HDD)
6 GB
Video card (GPU) Requires support for SSE
DirectX 8.1 compatible
DirectX 9 compatible
Operating system (OS) 10.5.8, 10.6.3
Processor (CPU)
System memory (RAM)
Hard disk drive (HDD) 6 GB
Video card (GPU) ATI X1600
NVIDIA GeForce 8


  1. Tested by Nicereddy.