Here is the full list of all 14 Tiny Civilization achievements.
The beginning of a journey.
Enter the Classical Era.
Enter the Middle Era.
Enter the Discover Era.
Enter the Industrial Era.
Enter the War Era.
Enter the Modern Era.
Enter the Space Era.
Get victory before the War Era.
Build 16 wonders.
Get victory in easy mode.
Get victory in normal mode.
Get victory in hard mode.
Get victory in hell mode.