Cities: Skylines upheaval: Developer and publisher announce "mutual" breakup
Cities: Skylines development is moving from Colossal Order to Paradox-owned Iceflake, which will handle updates, expansions, and console ports from 2026.
Cities: Skylines Franchise Is Moving To A New Developer
Paradox's internal studio Iceflake will assume full development of Cities: Skylines 2, with Colossal Order delivering final updates before a 2026 handover.