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