.GMK file extension

This is the basic program to work with .GMK extension

GameMaker: Studio

GameMaker: Studio Game 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