Here is the full list of all 22 Romopolis achievements.
Earn 2,000,000 Dn.
Earn all the trophies.
Earn all the medals.
Build a city with 2,000 residents.
Reach 25 total happiness.
Complete the entire campaign.
Upgrade 300 buildings.
Demolish 50 buildings.
Earn 12 trophies.
Build 250 buildings.
Earn 12 medals.
Buy 20 concessions.
Upgrade 100 buildings.
Order 25,000 units of wood and stone.
Train 120 workers.
Clear 50 plots.
Win 12 sandbox scenarios.
Build 75 buildings.
Demolish 10 buildings.
Upgrade 25 buildings.
Demolish 2 buildings.
Build 10 buildings.