Dialog Boxes (was: Help!)

[Lammet]

I don't know what it's called but.. everyone here i bet has played Element TD?
You know that "box" that comes up where u can choose modes and difficulity, how can I make a "box" like that?

 

[Exide]

Simple Dialog:

http://www.thehelper.net/forums/showthread.php?p=1023477#post1023477

Proper Tutorial:
http://world-editor-tutorials.thehelper.net/dialogs.php