General

Requirement:40Cost:100

Requirement:60Cost:125

Increase the City Cap by +1.

Requirement:100Cost:200Increase:300Cooldown:0Increase:0

Unit can build roads on the World Map. Most terrain costs 6-8 Move Points while roads cost 5.

Road Building can be enabled in the Army panel. Roads are built on hexes along which the Army moves and cost 3 Gold per hex.

Requirement:100Cost:125

Gain +1 Whispering Stone.

Requirement:120Cost:150

Each city in your Empire loses -1 Population, but immediately summons 3 Tier I Units.

Requirement:120Cost:175Increase:50Cooldown:120Increase:50

Requirement:160Cost:150

Requirement:200Cost:175

Requirement:300Cost:175

Roads cost 3 Move Points instead of 5.

Units gain Fast Embark and while embarked they gain Very Fast Movement on the World Map.

Requirement:400Cost:175

Cities can now build Teleporters.

Outposts can build teleporters in a province they annex through a Work Camp.

Requirement:500Cost:200

Gain +5 Affinity Points per Turn in every branch where you have at least 3 Affinity.

Requirement:600Cost:250

Gain +50 Affinity Points per Turn in the branch of your highest Affinity.

Requirement:600Cost:250