Full list of all 88 Project Highrise achievements. It takes around 40-50 hours to unlock all of the achievements in the base game on Windows.
The base game contains 78 achievements, and there is 1 DLC pack containing 10 achievements.
Unlock all upgrades in the Politics track
Have a building using 200 phone connections
Run each media campaign in the Office track
Reached $1,000,000 in cash
Have 20 restaurants functioning in one building
Have all four statues outside one building
Reached 500 population
Review every report in the ADA/360 report system
Go 28 days without a tenant moving out
Achieve prestige of 50
Have all of the small artworks in one building
Reached $100,000 in daily revenues
Reached $50,000 in daily profits
Move in a luxury loft apartment
Have a tenant rent for 100 days
Have a building using 200 water connections
Built a 50-story building
Reached $25,000 in daily profits
Have a building using 200 electricity connections
Move in a luxury store
Have all of the large artworks in one bulding
Have a building using 100 gas connections
Have 15 stores in one building
Move in a gourmet restaurant
Have a two-floor store
Reached $50,000 in daily revenues
Have a building using 100 cable TV connections
Have a building with 2,500 tiles
Have 50 very happy tenants in one building
Have a trashroom fill to 100% capacity
Place an outdoor plaza
Have a recycling room fill to 100% capacity
Move in a restaurant with a bar
Download a mod
Play a game with a mod
Unlock all upgrades in the Aesthetics track
Earn a gold medal finish in one scenario
Have all of the medium artworks in one building
Achieve prestige of 20
Have four fountains in one building
Place an artwork
Reached 250 population
Have 10 restaurants make a profit in one day in the same building
Achieve prestige of 10
Have 10 stores make a profit in one day in the same building
Unlock all upgrades in the Operations track
Have 250 successful service calls in a day
Move in a luxury apartment tenant
Have 100 visitors from the city in one day
Have 200 happy tenants in one building
Move in a restaurant that serves dinner
Have an expanded maintenance office
Have a building with 500 tiles
Unlock a consultant upgrade
Move in a consultant's office
Launch a media campaign
Built five floors above ground
Decorate a bare wall with fancy wallpaper
Move in a tech office
Renovate all units in need of repair from the maintenance office
Renovate a unit in need repair
Take and fully repay a loan
Rent revenues exceed daily expenses
Reached $200,000 in daily revenues
Have a building with more than 300 apartment residents
Have a building with more than 500 office workers
Move in a headquarters office
Build a 100-story building
Complete the Office Bigwigs contract
Complete the Loft Life contract
Complete the Glut of Gastronomy contract
Complete the Luxury Boutiques contract
Run each media campaign in the Apartments track
Run each media campaign in the Infrastructure track
Run each media campaign in the Retail and Restaurant track
Complete all the tutorial levels
Earn a gold medal in five scenarios
Earn a gold medal in ten scenarios
Received 100 hotel reviews
Received 1000 hotel reviews
First guest checks in to the honeymoon suite
First guest checks in to the presidential suite
Reached $1,000 in daily hotel revenues
Reached $10,000 in daily hotel revenues
Started an event at the convention hall
Started an event at the concert hall
Have a grand casino
Have a building using 100 HVAC connections