Some more news today with regards to future upcoming Cities: Skylines content which was revealed in an interview with PCGamer. According to CO’s CEO Mariina Hallikainen, tunnels and European buildings will be released a part of their free DLC commitment.
The interview also mentions the possibility of terraforming while in-game and it sounds like it’s possible.
Thanks to the great sales (well done everyone), Paradox are fully behind the game with future expansion plans and there is definitely scope for more modding support.
If you want to know more, check out the full interview.