GameMaker Server is a GameMaker extension which allows you to add online INIs, online achievements, online highscores or online multiplayer to your game, without having to host your own server.
There are 4,123 developers using GameMaker Server, and 1,502,000 accounts have been registered. GameMaker Server hosts 4,459 games, and 17,123,310 logins have been made on 2,057,514 different usernames.
To use GameMaker Server, you'll need GameMaker. GameMaker can be downloaded on the YoYoGames website. The following GameMaker versions are supported:
The YYC still contains a lot of bugs, which means GameMaker Server will not always work on the YYC exports. The HTML5/JavaScript exports are currently not supported. GameMaker Server does not work on GameMaker for Mac.
To use GameMaker Server, you'll need a GameMaker Server account, and you'll need to register as a developer. Every game has to be registered as well, before any of the online functions can be used.