Paradox Interactive and Colossal Order have announced that their city-builder, Cities: Skylines, has sold over five million copies for Windows, MacOS and Linux since launch. In that time, Paradox and Colossal Order have released over 1,000 new features, such as leisure and tourism, landscaping, football, radio stations, concerts, helicopters, ferries, monorails, cable cars, blimps and so much more.
Furthermore, modders have supplied more than 144,000 mods to-date. All sorts of user-generated maps, scenarios and assets are available in the Steam Workshop, and they are completely for free.
To celebrate its third birthday and five million milestone, Cities: Skylines players are getting a new unique Rocket City building called Xchirp Launcher, an astronaut Chirper, and a new free radio station – Official Mars Radio!