Main Building: Main Building is the administration center of your kingdom. When upgraded to higher level Main Building increases the speed of construction and produces more persons.

Warehouse: Warehouse stores four resources of crop, iron, wood, and stone so that the produced resources won’t be lost. Upgrading Warehouse increases the maximum amount of resources it can store.

Cranny: Cranny protects four resources of crop, iron, wood, and stone, avoiding the resources being robbed in wars. Upgrading Cranny increases the amount of resources it can protect.

Barracks: At Barracks you can train troops of Infantry, Cavalry, Archer, and Siege Engine (For details, please see www.haypi.com/troop.htm). Upgrading Barracks speeds up training process. The higher level the Barracks is the faster your troops can be trained.

Tech Center: Tech Center is a building where technology is researched. By upgrading tech you enhance your troops ability. If you want to build a trap, you have to research the trap tech first at Tech Center. Similarly, if you want to upgrade a trap, you need to research an upgraded tech first. Tech research costs more resources and time than other constructions while it brings you more benefits. The research results can be shared among all your cities.

Marketplace: At Marketplace you can use money to buy resources and treasures or sell them for money. Note that selling resources costs person and money.

City Wall: City Wall is built to protect a city against enemies. To reinforce city wall, you can build traps and gun turrets. Traps are hidden devices set outside a city to catch offensive enemies. The higher level it is the more enemies can be caught. Gun turrets are built on city walls to shoot enemies in the distant. By increasing its level you increase its durability in attacks.

Trap is built outside a city to catch enemies. The higher level the trap is the more enemies it can catch. Part of the trapped enemies can be turned into your troops if your General has the convince skill.

Turret is built on city walls to shoot enemies in the distant. By increasing its level you increase its durability in attacks.

SpeedUp: SpeedUp can shorten time when upgrading or doing research. This costs coins. You have three options: 1 coin shortens 15 minutes, 2 coins shortens 1 hour, 5 coins shortens 5 hours, and 10 coins is for instant finish.

Enhance: This function enhances resources production 50% for a period of time. You have three options: 1 coin for a period of 24 hours, 5 coins for 7 days, and 20 coins for 30 days.

VIP: Ordinary players have 2 upgrading slots at one time for three categories separately: buildings, techs, trap&turret. That is, you may upgrade two buildings, two techs, a trap and a turret at one time. If you wish to have more upgrading slots, you may buy VIP time during which you have 3 upgrading slots at one time for three categories separately: buildings, techs, trap&turret.

Add VIP Time: Go to "Main Building" to click "Add VIP Time" button. You have four options: 10 coins for 1 week of VIP time, 30 coins for 1 month, 120 coins for 6 months, and 200 coins for 1 year.

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