There are many different units, districts, and facilities that help players inSid Meier’s Civilization 6. However, the unit that’s best for dealing with other civilizations behind the scenes is the spy.
Spies are units inCivilization 6that go undercover in the cities of other civilizations and perform various actions to benefit the player. This can range from increasing Diplomatic Visibility to stealing a Great Work. The actions that can be taken in cities are reliant on what districts are in them.

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The only risk for spies is getting caught, which can result in them getting captured or killed. Being caught with a spy in another civilization’s city can greatly reduce that civilization’s opinion of the player.
Players can first get spies in the Renaissance Era after players complete the Diplomatic Service Civic. Initially, players will only be able to have one spy at a time, but later civics allow for a higher maximum number similar to trade route limits. Spies generally take a lot of time to train, but the training time can be halved by using the MachiavellianismDiplomatic Policyin the Government menu.
Spies can be sent to any city that the player has discovered including any of their own. Like other units, spies can gain experience and obtain promotions. To earn experience, spies need to perform successful offensive operations in other cities or capture enemy spies while counter-spying in their home civilization.
There are many different missions spies can take on and they are dependent on whatdistricts are in the citiesthey will be entering. The possible missions are:
Civilization 6is available now for PC, PS4, Switch, and Xbox One.