Skylines Wikia
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A milestone is the indication of the population growth of a city. When reaching the goal of a milestone, a city can unlock new features, services, land areas, buildings, city policies, and much more.[1]

The population requirement is not analogous between each map as each have different population requirements. The requirements may be the result of the buildable area within a map.

All milestones may be unlocked instantly in the Content Manager panel > Mods

Note: This is old and doesn't include all DLCs and CCPs in the description.

Milestones[]

0 Start
Base population requirement: 0
Features
Milestone-economy Budget
Services
Milestone-power usage Electricity
Milestone-water usage Water and sewage
Roads
Two-lane road
Two-lane road
Two-lane one-way road
Two-lane one-way road
Two-lane gravel road
Two-lane gravel road
Four-lane road
Four-lane road
Six-lane road
Six-lane road
Six-lane one-way road
Six-lane one-way road
Small roundabout
Small roundabout
Zoning
Low density residential
Low density residential
Low density commercial
Low density commercial
Industrial
Industrial
Buildings
Wind turbine
Wind turbine
Coal power plant
Coal power plant
Water pipe
Water pipe
Water tower
Water tower
Water pumping station
Water pumping station
Water drain pipe
Water drain pipe
1 Little Hamlet
Base population requirement: 500
Features
Milestone-economy Tax
Milestone-economy First loan
Services
Milestone-education Education
Milestone-garbage Garbage
Milestone-healthcare Healthcare
Buildings
Landfill site
Landfill site
Elementary school
Elementary school
European elementary school
European elementary school
Medical clinic
Medical clinic
European medical clinic
European medical clinic
Snow dump
Snow dump
2 Worthy Village
Base population requirement: 1000
Areas
Milestone-area 2 km x 2 km
Features
Milestone-economy Second loan
Milestone-district District
Milestone-policy Policy
Milestone-policy District specialization
Milestone-policy Service policy
Services
Milestone-fire department Fire department
Milestone-police department Police department
Milestone-unique building Level 1 unique buildings
Policies
Milestone-power usage Power usage
Milestone-water usage Water usage
Milestone-smoke detector distribution Smoke detector distribution
Specialization
Milestone-forestry specialization Forestry specialization
Milestone-agriculture specialization Agriculture specialization
Buildings
Fire house
Fire house
European fire house
European fire house
Police station
Police station
European police station
European police station
3 Tiny Town
Base population requirement: 1300
Services
Milestone-decoration Decoration
Milestone-unique building Level 2 unique buildings
Policies
Milestone-pet ban Pet ban
Milestone-smoking ban Smoking ban
Milestone-decoration Parks and recreation
Milestone-schools out Schools out
Buildings
High school
High school
European high school
European high school
4 Boom Town
Base population requirement: 2400
Areas
Milestone-area 2 km x 2 km
Services
Milestone-transport Public transport
Milestone-unique building Level 3 unique buildings
Milestone-bus Bus
Milestone-taxi Taxi
Milestone-tram Tram
Specialization
Milestone-ore industry specialization Ore industry specialization
Policies
Milestone-recycling Recycling
Milestone-recreational use Recreational use
Milestone-extra insulation Extra insulation
Milestone-no electricity for heat No electricity for heat
Milestone-only electricity for heat Only electricity for heat
Roads
Cloverleaf intersection
Cloverleaf intersection
Three-way intersection
Three-way intersection
Large roundabout
Large roundabout
Highway
Highway
Highway ramp
Highway ramp
Six-lane road with bus lanes
Six-lane road with bus lanes
Four-lane road with bus lanes
Four-lane road with bus lanes
Two-lane road with tram tracks
Two-lane road with tram tracks
Four-lane road with tram tracks
Four-lane road with tram tracks
Two-lane one-way road with tram tracks
Two-lane one-way road with tram tracks
Tram track
Tram track
One-way tram track
One-way tram track
Pipes
Water pipe with heating pipes
Water pipe with heating pipes
Buildings
Cemetery
Cemetery
Bus depot
Bus depot
Advanced wind turbine
Advanced wind turbine
Taxi depot
Taxi depot
Tram depot
Tram depot
Geothermal heating plant
Geothermal heating plant
Boiler station
Boiler station
5 Busy Town
Base population requirement: 4600
Features
Milestone-policy City planning policies
Services
Milestone-unique building Level 4 unique buildings
Milestone-unique building Leisure & tourism unique buildings
Specializations
Milestone-oil industry specialization Oil industry specialization
Milestone-tourism specialization Tourism specialization
Policies
Milestone-free public transport Free public transport
Milestone-heavy traffic ban Heavy traffic ban
Milestone-encourage biking Encourage biking
Milestone-bike ban on sidewalks Bike ban on sidewalks
Milestone-NIMBY NIMBY
Milestone-old town Old town
Milestone-studded tires Studded tires
Milestone-anti-slip studs Anti-slip studs
Roads
Two-lane road with grass
Two-lane road with grass
Two-lane road with trees
Two-lane road with trees
Two-lane one-way road with grass
Two-lane one-way road with grass
Two-lane one-way road with trees
Two-lane one-way road with trees
Two-lane road with bicycle lanes
Two-lane road with bicycle lanes
Four-lane road with decorative grass
Four-lane road with decorative grass
Four-lane road with decorative trees
Four-lane road with decorative trees
Four-lane road with bicycle lanes
Four-lane road with bicycle lanes
Six-lane road with decorative grass
Six-lane road with decorative grass
Six-lane road with decorative trees
Six-lane road with decorative trees
Six-lane one-way road with decorative grass
Six-lane one-way road with decorative grass
Six-lane one-way road with decorative trees
Six-lane one-way road with decorative trees
Six-lane road with bicycle lanes
Six-lane road with bicycle lanes
Highway with sound barrier
Highway with sound barrier
Buildings
Hospital
Hospital
European hospital
European hospital
Oil power plant
Oil power plant
Fire station
Fire station
European fire station
European fire station
Police headquarters
Police headquarters
European police headquarters
European police headquarters
Bus station
Bus station
Jet ski rental
Jet ski rental
Fishing pier
Fishing pier
Fishing pier winter
Fishing pier winter
Fishing tours
Fishing tours
Marina
Marina
Riding stable
Riding stable
Skatepark
Skatepark
Beach volleyball court
Beach volleyball court
Restaurant pier
Restaurant pier
Snowmobile track
Snowmobile track
Ice hockey rink
Ice hockey rink
Road maintenance depot
Road maintenance depot
6 Big Town
Base population requirement: 7000
Areas
Milestone-area 2 km x 2 km
Features
Milestone-policy Taxation policies
Services
Milestone-unique building Level 5 unique buildings
Milestone-metro Metro
Specializations
Milestone-leisure specialization Leisure specialization
Policies
Milestone-education Education boost
Milestone-harsh prison sentences Harsh prison sentences
Milestone-tax raise for low density residential Tax raise for low density residential
Milestone-tax raise for high density residential Tax raise for high density residential
Milestone-tax raise for low density commercial Tax raise for low density commercial
Milestone-tax raise for high density commercial Tax raise for high density commercial
Milestone-tax raise for offices Tax raise for offices
Milestone-tax relief for low density residential Tax relief for low density residential
Milestone-tax relief for high density residential Tax relief for high density residential
Milestone-tax relief for low density commercial Tax relief for low density commercial
Milestone-tax relief for high density commercial Tax relief for high density commercial
Milestone-tax relief for offices Tax relief for offices
Milestone-let go of leisure Let go of leisure
Zones
High density residential
High density residential
High density commercial
High density commercial
Office
Office
Buildings
Metro station
Metro station
Incineration plant
Incineration plant
University
University
European university
European university
Prison
Prison
Sauna
Sauna
7 Small City
Base population requirement: 10,000
Services
Milestone-unique building Level 6 unique buildings
Milestone-train Train
Policies
Milestone-small business enthusiast Small business enthusiast
Milestone-big business benefactor Big business benefactor
Milestone-industrial space planning Industrial space planning
Milestone-high tech housing High tech housing
Milestone-highrise ban Highrise ban
Buildings
Train station
Train station
Cargo train terminal
Cargo train terminal
Hydro power plant
Hydro power plant
8 Big City
Base population requirement: 16,000
Areas
Milestone-area 2 km x 2 km
Buildings
Crematorium
Crematorium
Water treatment plant
Water treatment plant
9 Grand City
Base population requirement: 19,000
Features
Milestone-economy Third loan
Buildings
Solar power plant
Solar power plant
10 Capital City
Base population requirement: 32,000
Areas
Milestone-area 2 km x 2 km
Services
Milestone-ship Ship
Buildings
Harbor
Harbor
Cargo harbor
Cargo harbor
11 Colossal City
Base population requirement: 40,000
Areas
Milestone-area 2 km x 2 km
Buildings
Nuclear power plant
Nuclear power plant
Cargo hub
Cargo hub
12 Metropolis
Base population requirement: 55,000
Areas
Milestone-area 2 km x 2 km
Services
Milestone-plane Plane
Buildings
Airport
Airport
13 Megalopolis
Base population requirement: 80,000
Areas
Milestone-area 2 km x 2 km
Features
Milestone-monument Monument
Buildings
International airport
International airport

References[]

  1. "Build a Megapolis in Cities: Skylines for Unlockable Buildings and Bonuses". Escapist Magazine. The Escapist. 20 March 2015.
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