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