Colossal Order Ltd.

About

Colossal Order Oy (Ltd) is an independent game development studio based in Tampere, Finland, founded in 2009 and known for the Cities series of city-building and simulation games for PC. Its catalogue runs from the Cities in Motion mass-transit simulator (2011) and Cities in Motion 2 (2013) through Cities: Skylines (2015) and Cities: Skylines II (2023), with support for Cities: Skylines running until 2023. The studio is owner-operated with a roughly 33-person international team and, as of November 2025, is independent of Paradox Interactive and building on new projects.