In the update i changed the background behind the door added a little stuff i changed the name of it too its called "Quantum Sanctuary" same song from the original stage if you think the background is to bright behind the door then go into the .def file and remove the "Fog 2" coding it will make it better to see enjoy here is the link.
Update Link: http://www.mediafire.com/?99x05cwjcl5ab4w
New Stage enjoy
Download Link: http://www.mediafire.com/?aovc6abhntxx6ob