Wow, that was amazing! Growing up in the early 90's, HyperCard games were all I played on my old Mac Performa. When I first found your game, I thought you had just recreated the "feel" of a HyperCard game in a modern engine, but you actually created an authentic HyperCard game.
Amazing job! Not only was this a faithful recreation of PT, it was just as creepy and you managed to do it in a long forgotten style. Wonderful!