Sorry, i meant about the normal passages, they should be highlighted. Anyway, it seems like you had read my mind because i forgot to say that I've got a little confused about the ominous doors, but i tought that was fault of the V puzzle tutorial.
I meant actually about normal passages, those that look like a black rectangle in the north, but it shows nothing when they point to the west, the south or the... not west-? ive got a thick.
Yhea, they should have their own look, like a gradient shadow or so. Im gonna say it again, cute game!