Far Future Sadness

Every Walking Simulator Pod has a limited shelf reserve of energy.

While we anticipate that the reserves are capable of lasting well past the next cyclical Big Bang event, the nature projecting into the past (functionally the same as alternate realities) uses a random amount of power, and heavy users of Walking Simulators with often drain their pods completely, resuming normal energy transfer with their surroundings, a lethal prospect after universal heat death.