Most of the puzzles are nice, ambiance and art are pleasant, but get rid of timed puzzle, or REALLY extend the timer, took me 6 hours to complete it and that's with the guide, because of pausing for a sec to get my bearing and falling down shafts due to the precision jumping needed (which there is no reason for it in a puzzle game of this type) in the cardboard maze.
Low rating is due to timer and precision jumping needed.