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