Ant+Farm

Definition
A simulation of a selected time and place with multiple actors. Like a branching story except that there is no single protogonist.

When to Use
Useful for gaining an understanding of many aspects of a culture, era or situation.

Participant Actions
Participants carry a set of choices and consequences through for a single actor while coordinating with other participants working with other actors. Facilitator can require that paths cross to a particular degree.

Example
Dan McDowell's [|Holocaust Wiki].