Cities: Skylines II achievement guide & roadmap
The biggest and most famous (infamous?) of the city builders. Large cities of an epic scale, and at the same time some fairly epic performance requirements.
Most of the achievements are pretty straightforward - but by far the hardest is 
Besides that, for 
Otherwise no known glitches (some early glitched achievements were fixed soon after launch in an early patch).
A few different scenarios may be needed for weather effects like 
- Has Singleplayer?
- Yes
- Has Multiplayer?
- No
- Difficulty affects achievements?
- No
- Guide contributors
-
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Build city with residential, commercial and industrial zones, water, and electricity.
Build city with residential, commercial and industrial zones, water, and electricity.
Technically this is optional, but in practise it'd be nigh on impossible to miss this during the course of building out a city. You'll get it pretty quickly.
Have buildings from all four zone types in a single city.
Have buildings from all four zone types in a single city.
This is Residential, Commercial, Industrial and Office. This is easy to get as soon as your city is large enough to be able to zone the different types.
Reach enough milestones to unlock all city services in a single city.
Reach enough milestones to unlock all city services in a single city.
Have at least 1000 citizens and an average happiness rating of 75%.
Have at least 1000 citizens and an average happiness rating of 75%.
This is easy and can be achieved pretty quickly; any decent city will do it. Keep an eye on the happy icon toward the right of the icon row at the bottom of the screen and address any issues reported there.
Understandably, citizens like low-ish taxes, parks, good services (medical, police, fire, etc) and having education and jobs. Standard stuff, really.
Unlock 50 map tiles in a single city.
Unlock 50 map tiles in a single city.
More map tiles can be unlocked as your city grows and passes the various milestones. 50 tiles isn't too many and will be easy enough to get as your population grows.
Build 5 signature buildings in a single city.
Build 5 signature buildings in a single city.
You'll need this on the way to
Experience a tornado.
Experience a tornado.
Experience a forest fire.
Experience a forest fire.
Experience a hailstorm.
Experience a hailstorm.
Assign a policy to a city district.
Assign a policy to a city district.
Build 10 parks in a single city.
Build 10 parks in a single city.
Unlock 150 map tiles in a single city.
Unlock 150 map tiles in a single city.
Plant 100 trees or bushes with the landscaping tool in a single city.
Plant 100 trees or bushes with the landscaping tool in a single city.
Create a city district and assign a city service to that district.
Create a city district and assign a city service to that district.
Have a city that produces electricity by only using renewable energy sources.
Have a city that produces electricity by only using renewable energy sources.
Build 10 signature buildings in a single city.
Build 10 signature buildings in a single city.
Experience all four seasons by building a city in a climate with a snowy winter.
Experience all four seasons by building a city in a climate with a snowy winter.
Have 6,000 citizens treated at medical clinics or hospitals in a single city.
Have 6,000 citizens treated at medical clinics or hospitals in a single city.
Have a total loan of at least 200,000 in a single city.
Have a total loan of at least 200,000 in a single city.
Build any airport.
Build any airport.
Have a look at each individual info view panel.
Have a look at each individual info view panel.
Reach a population of 100,000.
Reach a population of 100,000.
Have 20 active transport lines. These can be passenger or cargo lines or any mix of the two.
Have 20 active transport lines. These can be passenger or cargo lines or any mix of the two.
Build a city where at least 15% of the population has a university level of education.
Build a city where at least 15% of the population has a university level of education.
Bulldoze a total of 1000 buildings.
Bulldoze a total of 1000 buildings.
Have a total of 6,000 tourist visits in a single city.
Have a total of 6,000 tourist visits in a single city.
Have at least 1000 citizens and a city attractiveness rating of 90.
Have at least 1000 citizens and a city attractiveness rating of 90.
Use the photo mode to take a screenshot
Use the photo mode to take a screenshot
Have 5 city policies active simultaneously.
Have 5 city policies active simultaneously.
Reach milestone 20.
Reach milestone 20.
Unlock each building available in the base game.
Unlock each building available in the base game.
Per the in-game notes on the achievement - this does need to be in a single city.
The requirements for each unique building are clearly listed in the game, as is whether each has been unlocked/built - so this is easy to track.
However it will take a while as some buildings require hundreds of regular buildings to have upgraded to level 5 - so your biggest enemy will be simulation speed slowing down causing this to take forever as your city inevitably grows.
Its probably best to leave the (easier) regular residential ones to last and focus on commercial/industrial - either way it'll take a loooonnnng time. Almost as long as
Create 10 different districts in a single city and assign policies to each.
Create 10 different districts in a single city and assign policies to each.
Have 50 active transport lines. These can be passenger or cargo lines or any mix of the two.
Have 50 active transport lines. These can be passenger or cargo lines or any mix of the two.
Build all unique city service buildings in a single city.
Build all unique city service buildings in a single city.
Have at least 1000 citizens and an average happiness rating of 25%.
Have at least 1000 citizens and an average happiness rating of 25%.
Follow a citizen's lifepath from childhood to old age.
Follow a citizen's lifepath from childhood to old age.
The game has a follow mechanic where you can tag individual citizens to keep tabs on them, using the icon in the bottom-right corner of the screen.
To tag a citizen, click on them whilst they're walking about and hit the Follow icon in the info box that appears.
For this achievement, find a child and tag them to follow them. Then just wait until they reach old age.
Do this right at the beginning of a city, as quickly as possible - because it will take a really really long time for them to reach old age.
Your enemy here will be game simulation speed, so try to keep the city small and efficient so you don't lose too much CPU to simulating millions of citizens and waiting until you yourself die of old age before this unlocks...
