Gold

Gold is the currency in Freesky Online. It can be obtained through trade or winning wars. Gold can be used to purchase sand stones, food, wood, cannons, Photon Power Sails and parts. In addition, you need gold to upgrade buildings. Gold will become more important as your country develops.

How to obtain gold: 
a)Trade
You can sell food, metal, sand stones, wood, crystal and parts in the market to earn gold.(you can not only earn gold, but also reputation and skill points when you sell processed parts to the empire.)

b)Occupancy
If you have occupied other players' cities, you can impose taxes on them. The Taxes are in gold.

c)Attack a Monster Army
Fight an Empire Army in the NPC zone.(you may also obtain blueprints)