This next and final section will show you how to incorporate Xbox controls into your game. Remember however, this section is completely optional if you do not have an Xbox controller on hand to test. In such a case, external programs exist that allow the player to bind a button press, joystick direction, and so on, on a controller to a keypress so that they still can use an Xbox controller, even if it isn't completely official support. You can refer your players to these programs. Two that we have heard of are JoyToKey and Xpadder. Their websites are at http://joytokey.net/en and http://www.xpadder.com. Both are great and allow multiple game profiles.
If you do however have an Xbox controller on hand and would like to learn how to incorporate support for it into your games, continue on.
GameMaker has two different kinds of gamepad support. One of them is legacy, not yet obsolete and still available for use, but not recommended and also only for Windows, and...