METRA


 * You can unlock the METRA station building when you reach player level 4.
 * You need 1000 coins, 100 wood and 30 energy to unlock METRA station building.


 * A player needs to build METRA in order to advance for a higher player level.


 * Once you build METRA station you can click on METRA building to unlock new METRA routes.


 * There are 11 METRA routes which you can unlock and expand the routes further.