Overall, a very enjoyable game, even though I was not very good at it (only managed to complete levels A, B, C and E) :S
The manual was nice, but sometimes hard to understand : while I really liked the way movement was described in two pictures, it took me a lot more time to understand that the player's "size" was not (always ?) equivalent to a pixel in the image, resulting in confusion when trying to reason on the map.
I also could not understand how to treat the white pixels in the map : are they supposed to act like red or black squares ?
Finally, I gave up trying to distinguish between The Adam and The Eve. Is there something I missed, a hint that could help me advance without spoiling the whole thing ?