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What is a GMA file? A GMA file is an add-on for Garry's Mod, a physics sandbox game. It is used to modify the game's gameplay. For example, a GMA file may alter a character or item's appearance, add a new game map, or add a new game mode.

More Information Primarily, Garry's Mod players download GMA files via Steam Workshop. In Windows, Steam Workshop automatically places GMA files in the following directory: ~/​Program Files/​Steam/​steamapps/​common/​GarrysMod/​garrysmod/​addons This allows Garry's Mod to load an apply the add-on the GMA file contains. Players can also manually create GMA files. If they do, they must also manually place the file in Garry's Mod's addons directory.

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Brotkrümel

DeveloperFacepunch Studios
Popularity4.3 | 61 Votes

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.GMA File Extension

Garry's Mod Add-on

DeveloperFacepunch Studios
Popularity
4.3  |  61 Votes
 

What is a GMA file?

A GMA file is an add-on for Garry's Mod, a physics sandbox game. It is used to modify the game's gameplay. For example, a GMA file may alter a character or item's appearance, add a new game map, or add a new game mode.

More Information

Primarily, Garry's Mod players download GMA files via Steam Workshop. In Windows, Steam Workshop automatically places GMA files in the following directory:

~/​Program Files/​Steam/​steamapps/​common/​GarrysMod/​garrysmod/​addons

This allows Garry's Mod to load an apply the add-on the GMA file contains. Players can also manually create GMA files. If they do, they must also manually place the file in Garry's Mod's addons directory.

How to open a GMA file

To use a GMA file with Garry's Mod, place the file in the game's addons directory. In Windows, the addons directory is typically located at:

~/​Program Files/​Steam/​steamapps/​common/​GarrysMod/​garrysmod/​addons

If you want to view a GMA file's contents, you can so do by opening the file with Crowbar or Garry's Mod Publish Tool. You can also use Crowbar and Garry's Mod Publish Tool to create GMA files.

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Programs that open or reference GMA files

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Facepunch Studios Garry's Mod

Paid

Crowbar

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Gmad

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Facepunch Studios Garry's Mod

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Category: Game Files

Updated: July 17, 2023

FAQ

What is a GMA file?
A GMA file is an add-on for Garry's Mod, a physics sandbox game. It is used to modify the game's gameplay. For example, a GMA file may alter a character or item's appearance, add a new game map, or add a new game mode.
How do I open a .gma file?
To use a GMA file with Garry's Mod, place the file in the game's addons directory. In Windows, the addons directory is typically located at: