Megapolis is an older title, but positively rated and it's now on Steam with Linux support. It's a small city building simulator, something more casual than say Cities Skylines.
Never tried it myself, but I've heard of it, any of you tried it?
About the game (From Steam)
Build your own city and make heaps of money in this addictive strategy game.
Construct beautiful and functional city zones with plenty of modern blocks and keep your residents happy by providing all services they need, and they will reward you with a tidy profit. It’s up to you how to play - you can work your way to the top in the comprehensive campaign mode or you can create and play your own custom scenarios. Build dozens of houses, structures and other buildings. Trophies and awards available for the meticulous gamer!
Some you may have missed, popular articles from the last month: