On our CodyCross answers based website we have the solution for City whose metro system is nicknamed "The Tube". CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for City whose metro system is nicknamed "The Tube" by scrolling down which is part of CodyCross Great Inventions Group Puzzle 1.