game levels for a tower defense game

hello flashkit members, I have a lot of time and I learn how making games.
Now with flashkit and other sites I have the appility to make a flash game and now I want to understand how game levels work ?

my game type is a tower defense.

thanks

Here is a good tutorial on game levels, maybe this is what you are looking for:

http://www.flashkit.com/tutorials/Ga...1118/index.php