GameMaker (2.3)


YoYo Games

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  • This extension is to be used with GM 2023.1 and future releases.
  • This extension will be compatible with GM 2022.0.1 LTSr1 (upon release)
  • Requires GOG Galaxy SDK version 1.152.6 (August 24, 2023 14:54)
  • Works with Windows (VM/YYC) and macOS (YYC)


For issues/bugs, please use the Github Issue Tracker and ensure reproducibility with the provided demo project. This helps our team promptly address concerns and provide fixes.


GOG Galaxy is a set of tools and services that help game developers and publishers build their games and get the most out of distributing on GOG.


  • Apps
  • Friends
  • Stats
  • Storage
  • Telemetry
  • User
  • Utils


The full documentation of the API is included in the extension asset (included files).

End User Licence Agreement (EULA).

Age Rating: 4+


GMS2.3 - Version 1.4.0. Published September 14, 2023

  • Fixed major memory leak problems
  • Changes type member value from the async_load map on some callbacks. Check changelog here
  • Updates GOG SDK to the latest version (v1.152.5) which is a requirement
  • Function GOG_User_GetEncryptedAppTicket now returns the raw ticket buffer instead of a string
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