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