Travel the world with the award-winning puzzle and board game designer Dr. Reiner Knizia as you visit iconic global cities in an attempt to solve ingenious conundrums. An expert in algorithmically generated logic problems and designer of over 300 board games, Dr. Reiner Knizia invites you to join him on the brilliant puzzle journey, Brain Voyage. Featuring 16 puzzle types each with five distinct varieties, specialist DS developer Razorback Developments has constructed a total of 80 mind-blowing puzzles ranging from easy to elaborately ambitious.