29.38%
Desert Tribe
Finish an Era with a Desert Village which has 100 Village Prosperity.
29.86%
Specialization
Finish an Era with a completed upgraded Project.
30.25%
Traditional Medicine
Have humans complete a Druid Project.
31.67%
Metal Casting
Have humans complete a Metal Casting Project.
33.65%
Genesis Era
Finish an Era with 250 Prosperity.
34.04%
Forest Tribe
Finish an Era with a Forest Village which has 100 Village Prosperity.
36.57%
Swamp Tribe
Finish an Era with a Swamp Village which has 100 Village Prosperity.
54.98%
A New Threat
Finish the third Era.
62.09%
Writing
Have humans complete a School Project.
76.07%
Paganism
Have humans complete a Shrine Project.
77.25%
A New Beginning
Finish the second Era.
84.76%
Farming
Have humans complete a Granary Project.