Suggestion and expansion
Suggestion and expansion in that area covered in the game, we will better take advantage of this game that has many players and new ones coming in. Let's use the imagination in the best way, I leave my suggestions for expansion.
Programmers want new maps, new transformers, new warehouses for inventory.
New Level up to 20
New maps
Old iron
Abandoned train station
Abandoned car factory
New boss
exemple:
http://i.imgur.com/Kp16yKp.jpg
http://i.imgur.com/N85rtnW.jpg