The Cities: Skylines Pre-Order Pack contained five bonus buildings for players who pre-ordered the game, which was released 10 March 2015.
The pre-order content was later added to the base game for all players in Patch 1.5.0-f4 on 09 June 2016. This was announced on the Paradox Cities Skylines Forum, in CO word of the week #11 - 22/2016 on 02 June 2016.
Five items in the Parks and Plazas category:
- Dog Park
- Bouncy Castle Park
- Basketball Court
- Botanical Garden