ok this is *very* rough, but i think i see where you're going?
Your structure modelling was solid - i like that.
the Q mechanic - echo? didnt seem to do anything. i dont understand it.. it just teleported me upwards a short distance, and left a billboard of a guy behind. The game crashed while i was walking along the long bit of land after the 2 levers puzzle (that was impossible - i got past it by flying)