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