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