Full list of all 104 Cities: Skylines (JP) trophies - 71 bronze, 27 silver, 5 gold and 1 platinum.The base game contains 37 trophies, and there are 12 DLC packs containing 67 trophies.
Build a sauna in the city
Have one tram line active
Have 10 tram lines active
Boost 100km of streets with Road maintenance service
Have snowplows collect 2,000,000 units of snow
Change Chirper to a winter look
Experience a Thunderstorm
Experience a tornado
Experience a forest fire
Experience a sinkhole
Experience a meteor strike
Experience a tsunami
Experience an earthquake
Have ten disasters hit the same city
Lose 5 scenarios
Win 5 scenarios
Experience a special disaster
Have 3 blimp lines
Have 10 blimp lines
Transport 5,000 passengers with cable cars
Transport 20,000 passengers with cable cars
Have 3 Ferry lines
Have 15 ferry lines
Have 3 Monorail lines
Have 10 Monorail lines
Have one Ferry and Bus Exchange Stop, Metro-Monorail-Train Hub, Monorail-Bus Hub and Multiplatform Train Station
Win all 3 Mass Transit Scenarios
Name a road "Steve"
Name 100 Roads
Check a route of a citizen
Have all residential zones in your city be specialized Self-Sufficient Housing.
Have all office zones in your city be specialized IT-Cluster.
Have all commercial zones in your city be specialized Organic and Local Produce.
Build one of each eco-friendly schools: Community School, Institute of Creative Arts and Modern Technology Institute.
Produce all electricity without using raw materials.
Have no polluting industry in your city, only Office Zone and specialized zones.
Have a maximum level park made with Park Tool.
Have 10 parks made with Park Tool.
Have a park with all zoo buildings built in it.
Have 5 pedestrian Walking Tour lines.
Have a Park Maintenance Service and a Zoo, Nature Reserve and Amusement Park in your city.
Have a park with all Amusement Park buildings built in it.
Have a park with all Nature Reserve buildings built in it.
Have 15 Sightseeing Bus lines.
Level up an Industry Area up to Level 5
Build 10 Industry Areas
Build five Offshore Oil Drilling Platforms
Build all Unique Factories
Deliver 1 000 000 units of Mail
Build 10 Warehouse buildings
Build one of each road Toll Booth buildings
Build 10 Dormitories on campuses.
Have 15 000 students studying on campuses at the same time.
Have one campus reach "Prestigious" in reputation.
Build all five varsity sports arenas on one campus in one city.
Build all Campus Area types with all of their respective campus buildings and faculties.
Create 100 academic works.
Have one campus area with more than 5000 students and all upkeep costs covered by tuition fees.
Farm 5 000 000 units of fish and sea plants.
Catch 10 000 000 units of fish.
Build Metro-Intercity Bus Hub, Bus-Intercity Bus Hub, Train-Metro Hub, Metropolitan Airport and Bus-Metro Hub
Transport 35 000 citizens in trolleybuses.
Transport 15 000 citizens in passenger helicopters.
Have 300 tourists visit the Aviation Club during one week.
Treat 20 000 000 m3 of waste water using the Inland Water Treatment Plants.