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 4,211 developers using GameMaker Server, and 1,398,319 accounts have been registered. GameMaker Server hosts 4,684 games, and 17,041,324 logins have been made on 2,162,397 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.