
1) City-building game 2) Cyberpunk theme 3) IOS game
Found on
https://www.crosswordclues.com/clue/megacity

A megacity is usually defined as a metropolitan area with a total population in excess of ten million people. A megacity can be a single metropolitan area or two or more metropolitan areas that converge. The terms conurbation, metropolis and metroplex are also applied to the latter. As of 2014, there are 31 megacities in existence. The largest of ...
Found on
http://en.wikipedia.org/wiki/Megacity
No exact match found.