You need to have the pro version of game maker.
I give you the source to make your levels.
http://www.mediafire.com/?btz0299ake5ky4b that's the download link
if you have the lite version edit the levels and give the file to me.
i am going to make it a .exe and give it to you
Find The End 3D SOURCE
Why didn't you just post this in your other thread?