开发者日志（英文：Developer diaries）是由Colossal Order官方制作，详细介绍当前开发内容及游戏设计的文章，有时也会伴随视频日志同时公布。
日志均发布在都市天际线2的Paradox 论坛页面。
基础游戏
下表为《都市：天际线2》基础游戏与补丁的所有开发者日志。
外部链接：Cities Skylines II features (Paradox Interactive)
| 编号 | 标题与链接 | 简介 | 发布日期 |
|---|---|---|---|
| 01 | Feature #1: Road ToolsParadox / CS2 Forum | Building roads is more flexible than before, helping you realize your vision for the perfect road layout. You will find a variety of new and returning options! | 2023-06-19 |
| 02 | Feature #2: Traffic AIParadox / CS2 Forum | Managing traffic in a growing city was a core part of Cities: Skylines, and for the sequel we wanted to bring you a more advanced system to make the city feel more realistic and alive. | 2023-06-26 |
| 03 | Feature #3: Public & Cargo TransportationParadox / CS2 Forum | An integral part of a city’s inner workings is public transportation. Expand as the city grows from buses and taxis to other transportation systems such as tram and subway networks. | 2023-07-03 |
| 04 | Feature #4: Zones & Signature BuildingsParadox / CS2 Forum | Various zone types create the bulk of the city: sprawling suburban areas and apartment building blocks, busy commercial districts, noisy industrial parks and sleek high-rise office complexes. | 2023-07-10 |
| 05 | Feature #5: City ServicesParadox / CS2 Forum | Brand-new services join the familiar city services, and while basic functionality remains the same, they have more nuanced and complex mechanics befitting a more realistic city-building game. | 2023-07-17 |
| 06 | Feature #6: Electricity & WaterParadox / CS2 Forum | Electricity and water are crucial for running a city. A lack of electricity or water leads to reduced Well-being, while backed-up sewage takes a toll on citizen Health. | 2023-07-24 |
| 07 | Feature #7: Maps & ThemesParadox / CS2 Forum | A brief comparison of map sizes: A map tile in Cities: Skylines II is smaller than its predecessor - but you are able to unlock almost all tiles, giving you a whopping total of 441 map tiles. | 2023-07-31 |
| 08 | Feature #8: Climate & SeasonsParadox / CS2 Forum | In Cities: Skylines II we have a whole new feature in the form of Climates! It brings changing seasons to the game and makes each map a unique gaming experience with its own Climate. | 2023-08-07 |
| 09 | Feature #9: Economy & ProductionParadox / CS2 Forum | A closer look at the economic simulation, how citizens and companies manage and use resources, and how you can build a prosperous city. | 2023-08-14 |
| 10 | Feature #10: Game ProgressionParadox / CS2 Forum | Game progression has two interconnected layers: Milestones that give you points to spend in your Development Trees, allowing you to unlock more advanced services. | 2023-08-21 |
| 11 | Feature #11: Citizen Simulation & LifepathParadox / CS2 Forum | Each citizen has their own Lifepath. They either move into the city or are born there. If they are happy, they will stay in the city and eventually grow old and die of old age. | 2023-08-28 |
| 12 | Feature #12: Sound & MusicParadox / CS2 Forum | City Service building sounds, atmospheric sounds and the sound of traffic - all these elements have been expanded to give more depth, variety, and control. | 2023-09-04 |
| 13 | Feature #13: Cinematic Camera & Photo ModeParadox / CS2 Forum | A deep dive into our new Camera & Photo Mode tools where you truly can put your city into its best light, and share your creations with others. | 2023-09-11 |
| 14 | Behind the Scenes #1: ModdingCS2 Forum | We’re going to talk about modding in Cities: Skylines II. While modding isn’t supported at release, we want to share what modding means to us and how we approach modding support, so you know what to expect. | 2023-10-17 |
| 15 | Behind the Scenes #2: EditorCS2 Forum | From the start, we knew we wanted to include an in-depth editor powerful enough to bring your ideas to life. This time around we have a good sense of what modders and creators may need. | 2023-10-18 |
| 16 | Behind the Scenes #3: Game BalancingCS2 Forum | A peek behind the curtain as we discuss our guiding principles and challenges in balancing Cities: Skylines II. Striking the right balance is always a challenge, but reaching a good balance for the various features is an important part of how the game plays and feels. | 2023-10-19 |
| 17 | Introduction to Paradox ModsCS2 Forum | Paradox Mods is our own platform-neutral modding system. Paradox’s considered opinion is that mods are, and should always be, free of charge community-created content. This is not something that we will ever change. | 2023-10-19 |
| 18 | Behind the Scenes #4: Companies and BillboardsCS2 Forum | We have given companies and their billboards a significant upgrade from the original Cities: Skylines. Companies now play a role in the game mechanics, and billboards represent the companies that reside in the buildings. | 2023-10-20 |
| 19 | Behind the Scenes #5: Citizen CharactersCS2 Forum | We wanted our citizens to have much more variation to create a more inclusive and realistic gaming world. It was essential to us that the characters in Cities: Skylines II represent a broad spectrum of humanity, including different ethnicities and body types. | 2023-10-21 |
| 20 | Behind the Scenes #6: Tutorials and AdvisorCS2 Forum | Our goal with the tutorials in Cities: Skylines II is to provide you with a thorough introduction to the game and guide you toward building a successful city. | 2023-10-22 |
| 21 | CO Word of the Week #1CS2 Forum | CO Word of the Week history, CSII release, optimizing, patches, bugs. | 2023-11-01 |
| 22 | CO Word of the Week #2CS2 Forum | Community kindness, garbage collection bug, stray dogs, DLCs, quality-of-life improvements, CO CEO pledge. | 2023-11-06 |
| 23 | CO Word of the Week #3CS2 Forum | Editor, console update, patch releases will slow. | 2023-11-13 |
| 24 | CO Word of the Week #4CS2 Forum | Priorities: Performance improvements, Bug fixing, Editor/Modding support. Mail Service. Citizens’ ability to reserve housing. Export and distribution. Console release and DLC content. Patch highlights. | 2023-11-20 |
| 25 | CO Word of the Week #5CS2 Forum | Modding, priority updates | 2023-11-27 |
| 26 | CO Word of the Week #6CS2 Forum | Cities Skylines II performance standard and polish we are aiming for. Community. Bug fixes. Last patch of the year is coming out next week. Airports having problems. We have received reports of more stray dogs. | 2023-12-04 |
| 27 | CO Word of the Week #7CS2 Forum | Last patch of the year coming soon. Two new maps. Modding, Consoles, Expansion Pass, Performance and bug fixing, Your suggestions/feedback. | 2023-12-11 |
| 28 | CO Word of the Week #8CS2 Forum | Holiday break over. The Editor UI is expected to be ready enough for the closed beta in a few weeks. Bug fixing patch. Toxicity in the community. | 2024-01-15 |
| 29 | CO Word of the Week #9CS2 Forum | Paradox Mods, modding support priorities. Work on the console versions is ongoing. Beach Properties content is almost ready. Patch 1.0.19. | 2024-01-22 |
| 30 | CO Word of the Week #10CS2 Forum | Patching process and upcoming patch. Pausing "CO Word of the Week". | 2024-01-29 |