The Underground Mysteries 2018
A journey of mysteries and puzzles in Tokyo
Thank you for travelling with the Tokyo Metro!
Did you notice? We have hidden puzzles all over Tokyo.
So we invite you on this mysterious journey.
We're sure you'll be able to meet many different sides of Tokyo in this journey.
Delicious Tokyo, beautiful Tokyo, or...
Oops, shan't disclose too much. Solve the puzzles and you'll find out more!
We wish you all the best in solving the puzzles we've hidden.
Of course, travelling by Tokyo Metro would be the most convenient.