The Underground Mysteries 2017
Journey deeper into Tokyo's hidden mysteries
Thank you for always taking the metro.
Once again, we have set up mysteries and puzzles around Tokyo this year.
Those puzzles will take you out on a journey.
A fascinating journey that will show you the sides of Tokyo you have not yet seen.
Puzzle after puzzle, you will find yourselves journeying deeper into Tokyo's hidden mysteries.
It is now time for you to solve the mysteries we have set forth for you.
The best way to get around is, of course, with Tokyo Metro.