Exit: The Game : The Professor's Last Riddle is a puzzle game modeled after escape rooms, and it includes components meant to be folded, written upon, or torn, so it's marketed as a single-use game. The world-famous professor Ian Jones recently passed away. The archaeologist loved puzzles! His travels took him to all parts of the world. He tirelessly searched for treasures believed to be lost, deciphered codes and translated secret writings.