Buildings

Archery Range

Requires: Barracks (Level:5), Gold Mine (Level:5)
Description: Ranged infantries are trained in Archery Range. The higher level it is, the faster it can recruit.

Barracks

Requires: Command Center (Level:1), Farm (Level:3)
Description: Melee infantry are trained in Barracks. The higher level it is the faster it can recruit.

Blacksmith

Requires: Barracks (Level:1)
Description: Soldiers, weapons and armors can be upgraded in blacksmith.

Castle

Description: In the castle, the citizens live. You will have one extra place to harvest gold and food with each level it upgrades.

Cellar

Requires: Gold Mine (Level:5), Farm (Level:5)
Description: You store your gold and food here to prevent being stolen.

Command Center

Requires: Castle (Level:1)
Description: Armies gather at here. The higher level the Command Center is, the more armies you can send simultaneously.
 
 
Requires: Castle (Level: 1)
Description:  A gate that leads to unknown regions.  Strangely, you can find gems around it.  few have come back once they have stepped inside.  Level 1 gate produces 5 gems/hour.
 
 
Requires: Castle (Level:3)
Description: Advanced technologies can be studied in the research lab.

Stable

Requires: Barracks (Level:7), Farm (Level:7)
Description: In the stables cavalries can be trained. The higher level it is, the faster it can recruit.

Workshop

Requires: Blacksmith (Level:8), Research Lab (Level:8)
Description: Siege weapons are built in Workshop. The higher level it is, the faster it can recruit.

Farm

Description: Your population's food is produced in Farm. By increasing the farm's level you increase its crop production and capacity.

Gold Mine

Description: Miners produce the precious gold in Gold Mine. By increasing the mine's level you increase its gold production and capacity.

City Walls

Description: By building a City Wall you can protect your city against the barbarian hordes of your enemies. The higher the wall's level, the higher the bonus given to your forces' defense. It also contains a utility to build defense weapons.