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