How to open .GMK file extension?

If you cannot open a new file that has been saved in the .GMK format you need to download the appropriate software. The manufacturer of .GMK files is YoYo Games; .GMK files belong to the Developer Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .GMK files. Activities performed in the order described should solve the problems with all the files in the .GMK format.

• What is .GMK file?
• How to open .GMK file?
• What is .GMK file?