Civilization‑Scale Scenario Templates
Reusable historical and speculative scenario scaffolds for civilization‑level simulation#
Civilization‑scale scenarios define long‑arc conditions, not momentary crises.
They shape how civilizations evolve across generations by applying persistent pressures, structural shifts, and epochal events.
Scenarios allow civilizations to be:
- replayed across alternate histories
- stress‑tested under deep‑time pressures
- compared across governance, culture, and technology paths
- explored for collapse, resilience, or transformation
Civilization scenarios turn history into a controlled experiment.
Purpose#
Civilization‑scale scenario templates exist to:
- standardize long‑arc scenario definition
- separate historical intent from simulation mechanics
- enable replay, comparison, and branching epochs
- support rise, stagnation, collapse, and renewal modeling
- provide AI‑legible historical structure
Scenarios define conditions, not outcomes.
Scenario as Substrate Expression#
Each civilization scenario operates through the shared substrate:
- Structure (S) — which institutions, networks, or scales are stressed
- Activation (E) — how pressure, conflict, or expansion is applied
- Relational Time (R) — how long forces persist and how memory accumulates
Civilization scenarios reshape trajectory, not ticks.
Canonical Civilization Scenario Template Structure#
Every civilization‑scale scenario should follow this structure.
Scenario Identity#
Scenario Name:
Scenario Type: rise / expansion / stagnation / collapse / transformation
Primary Stress Domain(s): governance, culture, ecology, technology, inequality, conflict
Time Horizon: decades / centuries / millennia
Replayable: yes / no
Historical or Speculative Intent#
Describe the long‑arc story being explored.
Examples:
- imperial overextension
- technological acceleration without governance adaptation
- ecological overshoot and collapse
- inequality‑driven fragmentation
- post‑collapse cultural renewal
- AI‑mediated civilization transformation
This section is narrative framing, not execution logic.
Initial Civilization State#
Define the starting macro‑conditions.
Include:
- civilization regime
- governance form
- cultural regime
- technology tier
- inequality distribution
- ecological balance
Initial state anchors the epoch.
Epochal Triggers#
Define major structural events.
Examples:
- technological paradigm shift
- climate regime change
- major conquest or loss
- institutional reform
- cultural schism
Each trigger specifies:
- affected subsystems
- magnitude
- approximate historical timing
Persistent Pressures#
Define sustained forces acting across generations.
Examples:
- slow ecological degradation
- demographic pressure
- cultural rigidity
- technological acceleration
- elite consolidation
Persistent pressures define historical gravity.
City‑Level Interaction Rules#
Specify how city simulations feed into civilization outcomes.
Examples:
- unrest aggregation thresholds
- innovation diffusion paths
- resource extraction scaling
Cities act as micro‑historical sensors.
Intervention Epochs#
Define when civilization‑scale interventions are possible.
Examples:
- reform windows
- consolidation phases
- post‑collapse rebuilding
Interventions reshape future epochs, not present crises.
Success & Failure Conditions#
Define how the scenario is evaluated.
Examples:
- sustained integration
- fragmentation into successor civilizations
- irreversible collapse
- successful transformation
Outcomes are observed, not scripted.
Metrics & Observables#
Specify long‑arc indicators.
Examples:
- regime persistence duration
- inequality entrenchment
- cultural coherence
- ecological balance
- governance legitimacy
Metrics enable cross‑scenario comparison.
Branching Epoch Conditions (Optional)#
Define conditions that alter historical trajectory.
Examples:
- if legitimacy collapses → fragmentation epoch
- if reform succeeds → adaptive governance path
Branching enables alternate histories.
Termination Conditions#
Define when the scenario concludes.
Examples:
- epoch horizon reached
- civilization collapse
- stable long‑term equilibrium
- transformation into new civilizational form
Termination is a historical state, not a timer.
Canonical Civilization Scenario Archetypes#
Reusable scenario families include:
- Imperial Expansion & Overreach
- Technological Acceleration Without Adaptation
- Ecological Overshoot Collapse
- Inequality‑Driven Fragmentation
- Cultural Rigidity vs. Innovation
- Post‑Collapse Renewal
- AI‑Mediated Civilization
Each archetype can be parameterized.
Scenario Execution Flow#
Civilization scenarios execute by:
- Initializing civilization state
- Applying epochal triggers and pressures
- Running the civilization simulation loop
- Aggregating city‑level outcomes
- Observing regime transitions and metrics
Scenarios never override the simulation loop.
Integration Notes#
Civilization‑scale scenario templates:
- sit above city and civilization loops
- remain domain‑agnostic
- enable historical replay and foresight
- support AI‑driven exploration
They are the interface between history and possibility.
Status#
Canonical civilization‑scale scenario template framework.
Designed for historical modeling, speculative futures, and comparative analysis.