Simulation theory or Simulation Theory may refer to: Simulation theory of empathy, theory in philosophy of mind about how people read others' actions and intentions Simulation Theory (album), 2018 studio album by the English rock band Muse Simulation hypothesis, theory that all of perceived reality is an artificial simulation Simulated reality, the hypothesis that reality could be simulated—for example by quantum computer simulation—to a degree indistinguishable from "true" reality.