Board Thread:General Discussion/@comment-70.138.45.40-20131030041309/@comment-16894369-20131031143538

Hmm......isn't that how you advance to 36, 51, 66?

Since a lot of users are reporting this, I wonder if there's a glitch for that. On iOS devices, scroll the map upwards (above level 80) and see if there's a train symbol.