Simulation Theory
Simulation Theory posits that what we take to be physical reality may be an artificial simulation running on the computational substrate of a more fundamental reality. The philosophical lineage begins with Rene Descartes's 'Meditations on First Philosophy' (1641), in which the hypothesis of an evil demon who fabricates an entirely convincing but illusory world established that we cannot rule out wholesale deception about the nature of reality. Nick Bostrom's 'Are You Living in a Computer Simulation?' (2003) updated this with a trilemma: either almost all civilizations go extinct before reaching computational maturity, or mature civilizations have no interest in running ancestor simulations, or we are almost certainly living inside a simulation right now. The argument is probabilistic rather than metaphysical — if simulated minds vastly outnumber biological ones, the odds favor us being among the simulated.
Worldview
The simulation theorist inhabits a world of radical ontological uncertainty — what appears to be solid, physical reality may be a computational artifact running on hardware in a more fundamental reality to which the observer has no access. This is not solipsism but something stranger: the world is shared and consistent, yet its foundations may be entirely unlike what they seem. The experience is akin to a vivid, persistent dream whose dreamer is a civilization of posthuman engineers rather than one's own unconscious. This orientation produces a distinctive intellectual posture: playful skepticism about the "hardness" of physical reality, fascination with glitches and anomalies that might reveal the underlying code, and a willingness to entertain possibilities that more grounded ontologies would dismiss. The framework classifies this as None: although simulators exist outside the world, within the simulation's ontology metaphysical agency reduces to the natural causation of the computational substrate — no operative god or spirits inside the run. The framework reads this as None for moral authority: simulators may exist outside the world but the in-simulation ontology nominates no Scripture, Tradition, Reason, or Experience as normatively ultimate; the framing is descriptive-metaphysical, not a source of binding norms.
Moral Implications
If reality is a simulation, the moral status of its inhabitants becomes a pressing question. Are simulated beings morally considerable? The simulation theorist who takes consciousness seriously must answer yes — suffering within the simulation is real suffering, regardless of the substrate on which it runs. This has implications for artificial intelligence: if we might be simulated minds, then the simulated minds we create deserve moral consideration too. The framework also raises questions about the ethics of the simulators: do they have obligations to their creations? And it introduces a novel form of moral hazard — the temptation to treat reality as a game, since it may literally be one.
Practical Implications
Simulation theory has direct practical relevance for the development of virtual reality, artificial intelligence, and computational ethics. If our own reality might be simulated, then the virtual worlds we create may have moral weight comparable to the physical one. The theory motivates investment in computational infrastructure, information theory, and the search for empirical signatures of simulation — such as discretization artifacts in physical constants or computational limits on the universe's resolution. In daily life, the simulation theorist may adopt an attitude of lightness toward material accumulation and social convention, finding meaning instead in the exploration of the system's possibilities and limits.
I. Time
Time is emergent from the simulation's computational processes — it does not exist independently but is generated by the underlying program. Its extent is both finite and infinite depending on the simulation's parameters, and it can branch or reverse if the simulator permits. Time is continuous within the simulation but may be discrete at the computational substrate level. The observer experiences time as programmed.
Attributes
II. Space
Space is emergent — it is a rendered environment generated by the simulation's code rather than an independently existing container. Its curvature is undefined because the simulation could implement any geometry. Space is local within the rendered environment but non-local at the code level, where distant regions are equally accessible to the simulator.
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III. Matter
Matter is emergent — it is data rendered as physical objects within the simulation. It is finite within the rendered environment and conserved by the simulation's programmed rules. Matter is non-local in the deeper sense that the simulation can instantiate, move, or delete any object regardless of spatial constraints.
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IV. Observer
The observer is constrained by the simulation's parameters — experiencing one moment at a time within a programmed timeline, occupying a rendered position in computed space. Knowledge is fundamentally limited: the observer cannot access the underlying code, the intentions of the simulators, or the nature of the substrate on which reality runs. Yet the simulation itself may record everything — every action, every state — creating a total archive the observer cannot access. The observer is embodied within the simulation and actively engages with its environment, unaware that what feels like genuine agency may be the execution of an algorithm. Multiple observers populate the simulation, each equally subject to its rules and equally ignorant of its deeper architecture.
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V. Energy
Energy is emergent — a computed quantity within the simulation, governed by whatever rules the simulator has programmed. Conservation holds as a design choice, not a fundamental necessity. Dispersibility is irreversible within the simulation's programmed thermodynamics.
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VI. Information
Information is the fundamental substrate of reality — the universe IS a computation. Reality is made of information the way a video game is made of data. It is discrete because computation operates on finite bits. The framework distinguishes scales: information is conserved at the cosmic scale (the simulating computation preserves its full state), but non-conserved at the personal-identity scale unless the simulators choose to preserve it — within the simulation, when a character's process terminates, that pattern is not guaranteed to persist.
Attributes
Experiments This School Responds To (13)
Films Reading Through This School (10)
Works that name Simulation Theory in their embodiments
Foundational texts that draw on this school, with each work's declared weight.
Personas with Simulation Theory as a declared influence
How Simulation Theory resolves each dilemma
57 resolved positions across 4 dimensions, including 20 distinctive where the majority of schools go the other way.
Each dimension is sorted so minority positions come first. Mainstream positions are folded into an expandable list.
Time · 9 dilemmas · 3 distinctive
Persistence, the future, and the direction of becoming.
6 mainstream positions
Matter · 7 dilemmas · 3 distinctive
What stuff is — fundamental, relational, or appearance.
4 mainstream positions
Observer · 37 dilemmas · 5 distinctive
Mind, agency, and the knower's relation to the known.