Game id

Explanation
The game ID is an unique identifier that is randomly generated in the GMK when a project is created. The GID (Game ID) is to help keep games apart from each other. It can be very useful for many things such as keys, folder names, etc. The default GID in Game Maker 8.0 is nine numbers long. It can be changed in game maker inside Game Properties, then Loading. It can only be numbers, with a maximum number of ten digits.