Please search the forums before posting new topics, this has been talked about many times before, and it also belongs in the programming help forum. Anyways, Here is a link that should tell you the basics!
That is definately a good link, but there are other is the Programming forum that will help you with the finer details. You say that you want a perfect game, but that is improbable, but if you want to make a good adventure game, play the top rated ones, and learn from them.
