- The quick facts

What are GDFMAKERPROJECT files and how to open them

Are you having problems opening a GDFMAKERPROJECT file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.


A .GDFMAKERPROJECT file is a Game Definition File Editor Project file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open GDFMAKERPROJECT files

Important: Different programs may use files with the GDFMAKERPROJECT file extension for different purposes, so unless you are sure which format your GDFMAKERPROJECT file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single GDFMAKERPROJECT opener which you will find listed below.

Last updated: September 30, 2021

Various apps that use files with this extension

These apps are known to open certain types of GDFMAKERPROJECT files. Remember, different programs may use GDFMAKERPROJECT files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Microsoft DirectXMicrosoft DirectXUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about GDFMAKERPROJECT file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.