I love this whole entire game except wasn't able to find all the gems to get me to stage 3 of the bonus chapter. Better luck for me next time, will try again. :) Its worth buying b/c the game time length's pretty long and lots of places to drag you within the map.
I haven't even finished the entire game yet so far and it has already given me a summed up feel, pretty much a mediocre game throughout, and felt some regret buying this. I don't know how the collection edition got high reviews like that. Graphics are always great for bigfishgames, puzzles are hard to complete ( skipped most), and they skip story scenes too quickly that its not connecting up the pieces.