A user tries to wrap her head around all the rules and regulations concerning simulation.

In a time fraught with fear surrounding school shootings, a parent struggles to hone her anxiety into a productive tool for protecting her children. But after devoting a decade of her life to developing a quantum simulation program, she learns that the answer she has been seeking is far simpler than she could have ever guessed. How does an anxious parent reconcile their desire to protect their children with the risks of interfering with the simulation of the known world? That is the question the narrator seeks to answer, confronting the inadequacy of fear and preparation in a time of bone-chilling crisis.

In a futuristic world, a man awoken from being cryogenically frozen meets a ditzy tour guide to the Future, whose job is to help him learn about the new world through a series of virtual reality simulations. However, the world's AI leader may be manipulating them both for his own gain.

As a programmer builds a videogame world, the stars above Earth go out and reality begins to disappear one landscape at a time until nothing is left but a memory of a woman, Sarah.

A 1970s time travel simulator allows users to see the end of the world.

Through three tales of impossible machines with abilities to manipulate the physical world, travel through time and space, and bestow telepathy onto an entire community, candidates of an engineering exam in the far future are asked to ponder fantastical implications of technology.

A priest is the god of his own universe, but struggles to understand how he came to be. He takes in a young pupil to relieve himself of godhood.

A simulacron, who serves as a representative of an alien species, speaks with the US Secretary of Science about their wish to purchase the planet Jupiter. While the Secretary worries about stirring up conflict between the simulacron and another species, the simulacron assures him that no harm will come to Earth, and the two eventually reach an agreement.

When a notebook full of top-secret designs is looted from a Brooklyn saloon, a Latino drummer and his inventor girlfriend must go on a quest to retrieve it from a rival Manhattan gang.

This sci-fi tale explores the question of what do our dreams mean. The answer: dreams are sent to us by workers in a dream factory, actors to entertain our subconscious.