Cities XL (Series) is described as 'The game (developed by Monte Cristo and originally released on October 2009) offers challenging gameplay about money and space management as well as urban planning. It provides a variety of planning tools and a unicque setup for zoning' and is a city building game. There are more than 10 alternatives to Cities XL (Series) for a variety of platforms, including Windows, iPhone, iPad, Linux and Mac apps. The best Cities XL (Series) alternative is Tiny Glade. It's not free, so if you're looking for a free alternative, you could try Cytopia or Micropolis. Other great apps like Cities XL (Series) are Cities: Skylines, SimCity, Islanders and CSM - Cities: Skylines Multiplayer.