What is a .GMBCK File And How To Open It – YoYo Games

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Have you downloaded a file with .gmbck extension, but you are not sure what it is? It is important to know how to open this file – in order to be able to work with it. That’s why you are here! We have made this guide for you to learn more about the .gmbck file extension and how to open it.

What is a .GMBCK file?

The .GMBCK file extension comes from Game Maker Background Image File. The developer of this file extension is YoYo Games. The format of this raster related file is binary.

What to know

There is currently 0 software that can open the .gmbck file on 0 platforms.


Unfortunately, we haven’t found a software associated with this file extension yet, however we are working on it!