Developer diaries
From Cities: Skylines Wiki
This article is timeless and should be accurate for any version of the game.
Industries 
Parklife 
Green Cities 
Mass Transit 
Natural Disasters 
Snowfall 
After Dark 
Base version Developer diaries are articles, usually accompanied by screenshots and videos, showing the momentary state of development, describing features and explaining game design choices.
They are published more or less regularly by the developers Colossal Order in the game´s main forum on Paradox Plaza.
Contents
Industries[edit]
All developer diaries about the Industries expansion and patch 1.11.X.
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Industries Dev Diary #1 | Introduction to the Industries DLC. | 2018-10-11 |
| 2 | Industries Dev Diary #2: Industry Areas | Creating your Industry Area, Types of Industry Areas, Industry Area Info view and Industry Areas Overview, Benefit of having Industry Areas in your city. | 2018-10-12 |
| 3 | Industries Dev Diary #3: Supply chain part 1 | Extractor Buildings, Raw Material Storage Buildings, Processing Buildings, Unique Factories, Auxiliary Buildings. | 2018-10-15 |
| 4 | Industries Dev Diary #4: Supply chain part 2 | Industry Area Info Panel, Resource types, Unique Factories. | 2018-10-16 |
| 5 | Industries Dev Diary #5: Industry Area levelling | Main Buildings, Industry Area levelling, Leveling Requirements, Leveling with benefits. | 2018-10-17 |
| 6 | Industries Dev Diary #6: Maps and policies | Five new maps, 3 new City-wide Policies and 3 new Industry Policies, New models and props. | 2018-10-18 |
| 7 | Industries Dev Diary #7: Cargo | Cargo Services, Warehouses, Cargo Airport, Cargo Airport Hub, Post Office City Service, Post Office, Post Sorting Facility. | 2018-10-19 |
| 8 | Industries Dev Diary #8: Free Update | Toll Booths, Make Building Historical, Modding: Custom random names, Asset Editor. | 2018-10-22 |
| 9 | CO word of the week #4 - 48/2018: After Industries release! | Reddit AMA, release party, bug reports and fixing, feedback, Christmas songs, Chirper hat. | 2018-11-26 |
| 10 | Holiday Dev Diary Part 1 - Surprise Patch Included! | Patch 1.11.1-f2, new Christmas songs, Chirper hat, winter maps, "Winter Market" Unique Building. | 2018-12-13 |
| 11 | Holiday Dev Diary Part 2 - Show Me the Music! | Making three new Christmas songs to add to 2017's "Carols, Candles and Candy" free DLC. | 2018-12-14 |
Parklife[edit]
All developer diaries about the Parklife expansion and patch 1.10.
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Parklife Dev Diary #1: Park Areas | Park Areas, types, leveling, gates, attractiveness, infoview and new panels. | 2018-04-26 |
| 2 | Parklife Dev Diary #2: Tours | Walking Tours, Bus Tours, Hot Air Balloon Tours, infoview and new panels. | 2018-05-02 |
| 2A | Parklife Dev Diary #2: Tours | Parklife winter map pictures from CO_EMMI. | 2018-05-04 |
| 3 | Parklife Dev Diary #3: New policies and buildings | Policies, Park Maintenance City Service, Unique Buildings, Monument and props. | 2018-05-09 |
| 4 | Parklife Dev Diary #4: Maps and tree noise reduction | New maps, terrain props, trees reduce noise pollution, and new animal models. | 2018-05-15 |
| 5 | Parklife Dev Diary #5: Modding and menu filtering | Sub-meshes, Scripting API, Asset Data API, Cinematic Camera API, Menu Filtering. | 2018-05-17 |
| 6 | Parklife Dev Diary #6: Introduction to Tourism | New Tourism Info View, New tourist and vehicle models, Mascots | 2018-05-22 |
| 7 | Word of the week 3 | Word of the week 3 - 27/2018 - Parklife patch, Summer Holiday | 2018-07-05 |
Green Cities[edit]
All developer diaries about Green Cities expansion and patch 1.9.
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Word of the week 7 | Word of the week 7 - 26/2017 | 2017-06-27 |
| 2 | Word of the week 8 | Word of the week 8 - 27/2017 | 2017-07-07 |
| 3 | Word of the week 9 | Word of the week 9 - 33/2017 | 2017-08-14 |
| 4 | Word of the week 10 | Word of the week 10 - 35/2017 | 2017-08-28 |
| 5 | Green Cities - Dev Diary #1 | Green Cities diary 1 - Gamescom and the Key Features | 2017-08-31 |
| 6 | Green Cities - Dev Diary #2 | Green Cities diary 2 - The art of Green Cities | 2017-09-07 |
| 7 | Green Cities - Dev Diary #3 | Green Cities diary 3 - Gameplay and Policies | 2017-09-15 |
| 8 | Green Cities - Dev Diary #4 | Green Cities diary 4 - New City Services | 2017-09-21 |
| 9 | Green Cities - Dev Diary #5 | Green Cities diary 5 - Specializations | 2017-09-28 |
| 10 | Green Cities - Dev Diary #6 | Green Cities diary 6 - Free Update | 2017-10-05 |
| 11 | Concerts Update - Dev Diary #1 | Concerts Update diary 1 - Update to the Concerts miniexpansion (Patch 1.9) | 2017-10-11 |
| 12 | Green Cities - Dev Diary #7 | Green Cities diary 7 - New Maps and Scenarios | 2017-10-12 |
| 13 | Green Cities - Dev Diary #8 | Green Cities diary 8 - Road Modding | 2017-10-18 |
| 14 | Word of the week 11 | Word of the week 11 - 44/2017 - Budget Panel | 2017-11-02 |
| 15 | Word of the week 12 | Word of the week 12 - 46/2017 - Colossal Order: Relocated | 2017-11-15 |
| 16 | Word of the week 13 | Word of the week 13 - 48/2017 - Colossal Order: Office Sports | 2017-11-30 |
| 17 | Word of the week 14 | Word of the week 14 - 50/2017 - Christmas (Patch 1.9.1) | 2017-12-14 |
| 18 | Word of the week 1 | Word of the week 1 - 5/2018 - First mention of something new in the works | 2018-01-29 |
| 19 | Word of the week 2 | Word of the week 2 - 9/2018 - Game designer Karoliina Korppoo departs CO | 2018-03-02 |
| 20 | Dev Diary: ChirpX | Dev Diary: ChirpX | 2018-03-09 |
Mass Transit[edit]
All developer diaries about Mass Transit expansion and patch 1.7.
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Word of the week #4 - 6/2017 | Working on some super cool stuff I’m not allowed to tell you guys just yet. Kyykkä. | 2017-02-10 |
| 2 | Word of the week 5 | CO word of the week #5 - 8/2017 (Teaser about "Mass Transit" news coming.) | 2017-02-24 |
| 3 | Word of the week 6 | CO word of the week #6 - 10/2017 ("Mass Transit" has been announced.) | 2017-03-09 |
| 4 | Mass Transit - Dev Diary 1 | Mass Transit - Dev Diary 1 - More Than Just New Public Transport Types | 2017-03-15 |
| 5 | Mass Transit - Dev Diary 2 | Mass Transit - Dev Diary 2 - Ferries | 2017-03-29 |
| 6 | Mass Transit - Dev Diary 3 | Mass Transit - Dev Diary 3 - Blimps & Cable Cars | 2017-04-12 |
| 7 | Mass Transit - Dev Diary 4 | Mass Transit - Dev Diary 4 - Monorails | 2017-04-26 |
| 8 | Mass Transit - Dev Diary 5 | Mass Transit - Dev Diary 5 - Hub Buildings and intersection settings | 2017-05-10 |
| 9 | Mass Transit - Dev Diary 6 | Mass Transit - Dev Diary 6 - Mass Transit in Action | 2017-05-17 |
Natural Disasters[edit]
All developer diaries about Natural Disasters expansion and patch 1.6.
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Dev Diary 1: Meteors and Helicopters | The first disaster, meteors, and helicopters services. | 2016-09-15 |
| 2 | Word of the week #20 - 38/2016 | Mariina visited Barcelona and Responsive City Symposium organized by the Institute for Advanced Architecture of Catalonia. | 2016-09-23 |
| 3 | Dev Diary 2: Scenario editor | Description of the new scenario editor to be included in the next expansion. | 2016-09-28 |
| 4 | Word of the week #21 - 40/2016 | A list of the included disasters. Meteor, thunderstorm, sinkhole, tornado, earthquake, tsunami, forest fire / fire spreading. | 2016-10-07 |
| 5 | Dev Diary 3: Thunder and Lightning and Fire | Thunderstorms, lightning, fire spreading, forest fires, fire watch towers, helicopters. | 2016-10-12 |
| 6 | Word of the week #22 - 42/2016 | Press conference in London and licensed content with Stadiums: European Club Pack | 2016-10-20 |
| 7 | Dev Diary 4: Tornadoes and Shelters | Evacuation shelters to protect your citizens and some more flying cows. In-game trailer video. | 2016-10-26 |
| 8 | Dev Diary 5: Earthquakes, Sinkholes and Early Warning Systems | Space Radar, Weather Radar, Earthquake Sensors and Tsunami Buoys. Earthquakes and sinkholes deform terrain. | 2016-11-09 |
| 9 | Dev Diary 6: Tsunamis and Waiting for the Release | Tsunamis. Tank Reservoirs, Fresh Water Outlets, and the Pumping Service. | 2016-11-23 |
| 10 | Word of the week #23 - 48/2016 | Patch notes 1.6.0 | 2016-11-29 |
| 11 | Word of the week #24 - 51/2016 | "Colossal Disasters" video. CO going on holiday. | 2016-12-22 |
| 12 | Word of the week #1 - 2/2017 | CO back from the Christmas Holiday. | 2017-01-12 |
| 13 | Word of the week #2 - 4/2017 | Not overhauling traffic AI. Patch notes 1.6.3-f1. | 2017-01-26 |
| 14 | Word of the week #3 - 5/2017 | Quality Assurance. Plan for Colossal to expand starts with finding a new bigger office space. | 2017-02-03 |
Patch 1.5[edit]
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 5 | Word of the week 5 | Word of the week 5 | 2016-04-06 |
| 6 | Word of the week 6 | Word of the week 6 | 2016-04-12 |
| 7 | Word of the week 7 | Patch notes 1.4.1 | 2016-04-19 |
| 8 | Word of the week 8 | Word of the week 8 | 2016-04-26 |
| 9 | Word of the week 9 | Word of the week 9 | 2016-05-03 |
| 10 | Word of the week 10 | Word of the week 10 | 2016-05-24 |
| 11 | Word of the week 11 | Word of the week 11 | 2016-06-02 |
| 12 | Word of the week 12 | Patch notes 1.5.0-f4. "Match Day" free DLC announced. | 2016-06-08 |
| 13 | Word of the week 13 | Word of the week 13 | 2016-06-16 |
| 14 | Word of the week 14 | Word of the week 14 | 2016-06-23 |
| 15 | Word of the week 15 | Word of the week 15 | 2016-06-30 |
| 16 | Word of the week 16 | Word of the week 16 | 2016-07-08 |
| 17 | Word of the week 17 | Word of the week 17 | 2016-08-11 |
| 18 | Word of the week 18 | Word of the week 18 | 2016-08-25 |
| 19 | Word of the week 19 | Word of the week 19 | 2016-09-08 |
Patch 1.4[edit]
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Word of the week 1 | Word of the week 1 | 2016-03-01 |
| 2 | Word of the week 2 | Word of the week 2 | 2016-03-08 |
| 3 | Word of the week 3 | Word of the week 3 | 2016-03-15 |
| 4 | Word of the week 4 | Patch notes 1.4 | 2016-03-22 |
Snowfall[edit]
All developer diaries about Snowfall expansion and patch 1.3.
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Prepare for Snowfall | Announcement | 2016-01-20 |
| 2 | New Things on the Roads | Snow ploughs and Trams | 2016-01-27 |
| 3 | Snow and Heating | New Policies and dynamic electricity use | 2016-02-03 |
| 4 | New and Free | Free content, new public transport UI and weather effects | 2016-02-11 |
| 5 | Theme Editor | A new tool for modders and content creators | 2016-02-16 |
After Dark[edit]
All developer diaries about After Dark expansion and patch 1.2.
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Night Time, what is it? | Day and night cycle | 2015-08-20 |
| 2 | What's new with Modding? | Changes related to Modding | 2015-08-27 |
| 3 | Expanded city services | Police and transport | 2015-09-03 |
| 4 | Commercial specializations | Commercial specializations | 2015-09-10 |
Base game[edit]
All developer diaries about Cities: Skylines (base game).
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Roads | How roads function | 2014-09-24 |
| 2 | Zoning | Basics of zoning and zoning tools | 2014-10-07 |
| 3 | Natural Resources | Types of resources and how to access them | 2014-10-21 |
| 4 | Public Transport | Modes of public transport and how they work | 2014-11-04 |
| 5 | Outside Connections | Tourism and Import/Export | 2014-11-18 |
| 6 | Map Editor | Tools and functions of the Map Editor | 2014-12-09 |
| 7 | Simulation | Simulation of individual Citizens and Vehicles in the game | 2015-01-07 |
| 8 | Districts and policies | Districts and policies | 2015-01-20 |
| 9 | Info Views | Info views | 2015-02-03 |
| 10 | Themes | Themes | 2015-02-17 |
