in the control tab just drag the "check question" action into your event and that will make the pop up in game. Then if it is yes the following actions (after the "check question" action) will commence.
Yes, there is this downloadable tool called: DS game maker.
If you mean a question... then you could create a text box in the game by putting an action called Check Question into the event that you choose. But I am not sure how to customize it to say "no THX."
yes
theres an action in the control tab that does that
Yes, that is possible but very hard.
If you are talking about Game Maker from YoYo Games, then yes it is possible. Here are some links with proof: http://www.mediafire.com/?uz66v90zazyjqj0 http://www.mediafire.com/?wi7jn1m99cda2g9
Yes, otherwise you wouldn't be able to walk into a store and buy one. Just as a hobby I would recommend Game Maker and Microsoft Paint, you will have to learn Game Maker yourself though.
Yes. Game Maker contains many functions for using a joystick.
Yes: http://gmc.yoyogames.com/lofiversion/index.php/t85887.html
Yes, Game Maker has some limited 3D functionality. Note that Game Maker was not intended for creating 3D games, so it is very hard to develop 3D games in Game Maker.
Yes, I've been using Game Maker for a long time and it's 100% safe.
Yes, the internal variable for an object's speed in Game Maker is <Object_Name>.speed.