Parallel World: A Full-Dive Online Game

“498 years after the Gaia Project began, probe Sila-aerfa-43322 traversed a wormhole and detected a planet whose internal and external structures were remarkably similar to Earth's, but which was ten times its size. As it prepared to investigate further for signs of life, a huge vortex of energy shot out from the planet. Earth lost control of Sila-aerfa-43322, leaving behind only the last image it transmitted before going offline: a blue storm...”, From the July 2511 issue of Astrophysical Journal

“The full-immersion online game Parallel World will officially launch soon! The latest immersive technology, magnificent ancient architecture, breathtaking natural scenery, countless races and classes. Life, duty, ideals, dreams: there is nothing you can imagine that we cannot make happen!”, From an advertisement for Parallel World

“Parallel World is an absolute freak of nature among full-immersion online games! No exchanging for gold! No class guides! Even the skills use a free-form system! You know, sometimes I can't even tell NPCs from players!!!”, From a post on the Parallel World forums

“I heard a lot of adventurers suddenly showed up in Malt Village, not far from us. They speak the common tongue with accents, and they all look different. Most are good at fighting, while some are skilled at making medicine, smithing, or sewing. But they're all warmhearted and kind, and they might even live forever...”, From the Sunshine Town Daily

Parallel World was a real world all along!

Theme: A story about striving for the sake of one's family, I suppose