I was the Trailer producer for most of the base campaign and some Expansions for Cities: Skylines a few years back. Here’s an excerpt of some of my trailers.
Cities: SkylinesIn-gamePre-OrderDeveloper DiarysLaunch
Cities: Skylines – Console EditionAnnouncementPre-OrderLaunch
Cities: Expansions (2 trailers each)After DarkSnow FallMatch DayNatural DisastersMass Transit (announcement, pre-order)