Isekai stories, but like, at a larger scale

A high school is teleported to Middle Earth with everyone in it, attempts to keep functioning somehow

Due to some strange corporate restructuring, a normal office building gets shunted in one of those typical fantasy universes and is required to act as a dungeon, suddenly

The city of Oakland suddenly disappears from Earth and becomes a suburb of Ankh-Morpork because… let’s say, a mage/social scientist was trying to build some kind of ultrarealistic magitek social-economic model to study and it uh, just sort of summoned the city because that was easier

The country of Switzerland is sent to Hell and has to figure out 1) why (should be obvious), 2) if and how it can survive in its new environment, and 3) what is even the correct thing to do, ethically, if you’re already in Hell

Some sort of terrible problem happened when they activated the Experimental Orbital Warp-Gate Prototype and now the Earth is the 13th inhabited satellite of the habitable-zone gas giant Omm (they’re the ones who built the gate)