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