A European civilization can use a Spy to ambush a lone Explorer, War Chief, or Monk on their way to capture a trading post. A pair of Japanese monks with a few monastery upgrades can stealth into an enemy base, sabotage some buildings - notably economic buildings or houses (Anything else is likely to require multiple sabotages) and use smoke screen to escape when under danger. However, this does not mean that Native civilizations are the only ones capable of using stealth effectivley. Also, an Aztec Jaguar Prowl Knight can stealth into an an enemy base and wreak havoc with his superior sieging ability. An Iroquois Forest Prowler, with home city cards, can stealth behind the enemy base and create a forward base, which forces the enemy to divert his troops, which can hurt civilizations with more population intensive units as they are less effective when split up, for example, Cuirassers. This can pay off by wasting the enemy's resources as they would have to use resources to purchase the villagers, and removing their potential to collect resources. For example, a squad of Tashunke prowlers can stealth into a large grove of trees, and when villagers appear, can use their area of effect attack to quickly decimate them, then stealth back to avoid enemy suspicion. This is because they are not only capable of stealth and surveillance, but combat as well. The most useful units for using stealth on are the Prowlers of the Native civilizations. In proper use, it can end a game, or bring a game close to completion. Stealth is a useful tactic against a human opponent. This can lead to massive outflanking of armies, or sneaking an army into an enemy base for destruction. Native civilizations in 'The War Chiefs' expansion pack are more prone to use stealth as they have stealth units that are capable of regular combat. Stealth units are available to most civilizations, the exceptions being the Indians and the Chinese (without the use of some native trading posts, treasures or team cards). Stealthy units include: Navajo Riflemen, Spies, Ninja, Tashunke Prowlers, Forest Prowlers, and Jaguar Prowl Knights. In addition, a brand-new Age up mechanic allows the advancement of the civilization by choosing from different States, which provides special shipment. Certain units, namely War Chiefs, Exploreres, Spies and Town Centers, can see stealthy. The United States civilization provides a broad range of new content, including: a unique Explorer & Home City, 9 units, 2 buildings, and Home City shipment cards specific to the United States.

A unit cannot 'go stealthy' if it is in the line of sight of an enemy.

When stealth is activated, the unit fades out and becomes invisible to an oppponent His speed is also greatly lessened. Stealth is an ability that some units can use to make themselves mostly invisible. Two stealthed scouts watching enemy villagers.

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