- Cathedral produces new economic technologies that improve your ability to produce resources. Spend pennants here to earn technology from other civilizations. Cathedral also produces pennants.
* The Catch-Up Point is the time at which the newly upgraded cathedral has equaled the total production of the cathedral had it not been upgraded - this does not consider recovering the cost of the Food required to perform the upgrade.
* First level free for the research of your own Civilization.
|Economy||Farm • Silo • Mill • Lumberyard • Quarry • Storehouse • Cathedral • Road|
|Fortification||Archer Tower • Crossbow Tower • Ballista Tower • Flame Tower • Musket Tower • Catapult Emplacement • Trebuchet Emplacement • Watch Signal • Guard House • Patrol Point • Caltrops • Engineer Trap • Fire Trap • Wall|
|Military||Army Camp • Barracks • Cultural Barracks • Stable • Hall of Heroes • Embassy • Archery Range • Siege Workshop • University|
|Other Buildings||Keep • Honor|