In The Hot Seat: Colossal Order's Mariina Hallikainen on leaving Paradox and life after Cities: Skylines

Summary

Mariina Hallikainen has been CEO of Colossal Order since it was founded in Tampere, Finland in 2009. In that time the studio went from an unfunded, and unknown, mass transit simulator to Cities: Skylines and then to a sequel it supported for years after launch. In November 2025 Colossal Order and Paradox Interactive parted ways after 15 years and four…