Here is the full list of all 22 Megapolis achievements.
Earn all the trophies.
Earn all the gold stars.
Complete the entire campaign.
Earn 12 trophies.
Order 150,000 units of material.
Earn $100,000,000.
Earn 12 gold stars.
Build 250 buildings.
Win 12 sandbox scenarios.
Demolish 100 buildings.
Upgrade 300 buildings.
Buy 20 licenses.
Clear 75 plots.
Reach 25 total happiness.
Build a zone with 5,000 residents.
Train 100 workers.
Upgrade 100 buildings.
Demolish 25 buildings.
Build 75 buildings.
Upgrade 25 buildings.
Demolish 5 buildings.
Build 10 buildings.