The Gestalt Earth
The Gestalt setting represents a vision of Earth's timeline in which a central timeline (the Gestalt Timeline) is determined by a weighted aggregation of many parallel timelines, referred to collectively as the Constituency, and individually as Constituent Worlds. In this cosmology, a series of events are occurring that determine the future (and past) of the Human and post-Human race.
Notes on nomenclature deserve their own section, and can be found here.
(Known) Constituent Worlds
Dealing with Time Travel
Wheels within Wheels
(To explain: the cluster as a series of turning rings, with travel possible between adjascent points.)
In Gestalt, time travel within the Gestalt Timeline is not possible, as doing so would directly fragment that timeline, spawning a new constituent world. To affect change in the Gestalt Timeline, it is necessary to travel to enough constituent worlds and change the relevant events until they form a consensus, at which point those changes will ripple outward through the Gestalt.
That said, different constituent worlds' timelines move at different speeds, and at at any given point in time, there exists a mapping from the Gestalt Timeline (or any other parallel) to a chronolocation in a target constituent world. This allows apparent time travel.
- Axial Variability