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