Well, I'm not a platformer fan, precise coordination bits make me nervous instead of amused, but I really must say that level makingmusic476 posted is really fascinating, if I was a fan of the genre, this could become my top game. I like a lot that almost Tomb Raider-like scenery too, almost a mix between the aztech levels and the floating island ones, more than others I saw browsing the net.
And the editor and its possibilities, if I had kids, I could give it to them for Xmas, even as an extra gift if they asked something other, I think the creative part can really have educational value without the pedantic downsides true educational games often have.