Barbarian Activity (Scenario Properties)
Determines the level of barbarian activity in this scenario.
Barbarian activity levels can be set to any of the following levels:

No barbarians |  | No goody huts and no barbarian camps
Sedentary |  | Goody huts only; no barbarian camps
Roaming |  | Lowest level of barbarian camp activity
Restless |  | Median level of barbarian camp activity
Raging |  | Highest level of barbarian camp activity
Random |  | Randomly-selected level of barbarian camp activity

Note that this option is only enabled if the scenario contains a map ("Custom Map" is checked) or if the scenario contains custom player data ("Custom Player Data" is checked).