So I've had Cities:Skylines for a while and I've recently started playing again because of the release of the After Dark expansion.
My first city I did many months ago and I was trying to gun for achievements. I ended up forcibly causing the city to become abandoned for one particular achievement, which I got...
This time though, I went for something a little more sculpted... though as the playtime has gone on it's gotten a little more sloppy.
How the city started...
Eventually it grew into this monstrous thing (I still have about 60% of the map left)...
I took particular care to joining parks and landmark buildings together in the core of the city (which if you notice, uses a "European" building set)
In parts of the city, I have streets with bus-only lanes. In other parts there are bike lanes.
It doesn't have much of a skyline, but boy is it dense.
The city of course still has a ton of issues related to city services (I blame the simulation for part of that... there's no reason a city of 110,000 should require 15 landfills, 20 cemeteries, 2 nuclear power plants, etc.).