Here is the full list of all 37 Microcivilization achievements.
Unlock all Ascensions
Have 10 Activated Pyramids
Finish Level 10 of The Babel Tower
Win the Babel Tower Scenario
Own 8 Villages
Own 8 Quarries
Own 8 Forests
Own 3 Quarries
Have 3 Village Tiles
Own 8 Farmlands
Own 3 Forests
Win the World War
Have 100,000 Population
Unlock Modern Era
Defeat the Great Smog
Unlock Industrial Era
Click the Main Button 50,000 times
Overcome the Great Revolution
Have 10,000 Population
Defeat 100 Crises
Unlock Renaissance Era
Defeat the Great Plague
Own 3 Farmlands
Unlock Medieval Era
Defeat The Slave Revolt
Click the Main Button 5,000 times
Have 1,000 Population
Defeat 10 Crises
Unlock Classical Era
Overcome The Neolithic Revolution
Click the Main Button 1,000 times
Have 50 Population
Defeat 1 Crisis
Click the Main Button 100 times
Finish Level 15 of The Babel Tower
Finish Level 20 of The Babel Tower
Defeat 1,000 Crises