.GMK file extension

This is the basic program to work with .GMK extension

GameMaker: Studio

GameMaker: StudioGame Maker File

You can make games with backgrounds, animated graphics, music and sound effects. You can do anything you want with the games you produce. GameMaker comes preloaded with a collection of freeware images and sounds to get you started. GameMaker allows you to make exciting computer games, without the need to write a single line of code... (more)

The program works with the following extensions: gm6, gmk and gmd