Free for a limited time. Has been free in the past.
Cities: Skylines
is a modern take on the classic city simulation. It introduces new gameplay elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience.
Free add-ons:
Release date: 10 Mar, 2015
Steam reviews: very positive
Next weeks freebie: In Sound Mind
Great game.