Hello here is my newly released game Inertia. It only has 10 levels right now, some of which are cool. I don't know really; I've played some of the levels so many times I probably don't even see them truly.
Anyway, there's a level editor that comes with the download, and it would be awesome if you could use it to design a level or two, then send it to me at maximilio@me.com, and give your name so I'll know who to attribute. Thanks you!