A downloadable tool for Windows

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YYP Maker, as its name says, makes a YYP for you! 

This tool is for GameMaker 2.3+. For earlier versions, check out YY-Reunion by YellowAfterLife!

Can be used for:

  • Fixing corrupted yyp fille
  • Removing duplicated and redundant folders/resources
  • Importing assets present in the project folder, but not in the yyp


Select the project folder and hit 'Start'. After it shows a "Done!" popup, open up the project and save it. That's it! (Additionally, please read Notes.)

Redundant files are moved to a folder called ___yyp_maker_trash, located in the project folder. Double-check if the resources in ___yyp_maker_trash exist in the actual project. If so, it's safe to delete the folder.

Some information is not retrieved, but you can check the old yyp file found in ___yyp_maker_trash and copy-paste them in the new yyp. These include:

  • Room Order
  • Asset Order in the resource tree (within a group)
  • Texture Groups
  • Audio Groups


  • Make sure to have a backup of the files before using YYP Maker, just in case!
  • Close the project before using YYP Maker, and reopen after you get a "Done!" message.
  • If you face any issues, please report here, or DM me on Twitter (@sohomsahaun), with the yypm.log file located in <project_directory>/___yyp_maker_trash.
  • If you want to use different names for the project yyp and the project folder, rename the project using the Save As option from GameMaker IDE.

Known issue(s):

  • Configs are not correctly imported
Rated 5.0 out of 5 stars
AuthorSohom Sahaun


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Click download now to get access to the following files:

YYP Maker v1.1.4.zip 67 MB
YYP Maker v1.1.5.zip 67 MB

Development log