I really nice and well thought out game, I really love the concept but, at the same time it makes me rage some times. For example the empty room with the portal thing on the top right corner I know what I have to do. It took me quite a time to figure it out but, even now I can't beat that level, because it's a matter of distance between the character and it's shadow, and the distance needed is the size of a pixel.
I already new it was going to be an amazing game just by looking at the title at the beginning. I'm also really surprised that 1 person can make something like this.
You deserve a "Flash Oscar" sir. :)