It loops well, and is catchy... that's all I can really say, well done. ^_^
Reminds me of...
Quite simple. Reminds me of some sort of very bare XNA beta game under judgment. It probably won't make it to retail on Live Arcade with that looped soundtrack and repeated background.
It just doesn't have that catchy sound to it. Maybe it could be used for a world select??? :P
Not too bad for a first loop.