EXIT: The Game - The Professor's Last Riddle by Inka Brand, Markus Brand

Still reeling from the news of your favorite archaeology professors passing, you have been enlisted in a rather peculiar assignment. It seems that instead of a will, hes left an envelope with some postcards and a series of clues. Grab your passports youre about to embark on a global treasure hunt! Can you solve the riddles and uncover the mystery of the professors legacy?