Modifications to the core game engine for simcity (2013).Anything designed to circumvent drm is not permitted.Discussions relating to simcity 4 by maxis. a collection of picture topics to show various aspects of your simcity 4 city-building ventures.A subreddit for the discussion of the simcity franchise and related city builder games.Online city-building community for simcity 4, cities:Skylines, simcity and sc3000.Featuring custom mod downloads, forum help and discussion, game reference articles, guides, and city journals.