A ROM, or Read-Only Memory, is a copy of a video game that is extracted from a physical cartridge or downloaded from the internet. In the case of Pokémon Sword and Shield, a ROM would be a digital version of the game that can be played on a computer or mobile device using an emulator.
Look into Pokémon TCG Live or Pokémon Showdown (competitive battle simulator), which are legal and free. Pokemon Sword Shield Rom
Includes Dynamax/Gigantamax, Mega Evolution, Z-Moves, and the Physical/Special split. Quality of Life: A ROM, or Read-Only Memory, is a copy
"Pokémon Sword" and "Pokémon Shield" are role-playing games developed by Game Freak and published by Nintendo for the Nintendo Switch. They were released worldwide on November 15, 2019. : Designed for players who found the original
: Designed for players who found the original too easy, inspired by "hardcore" hacks like Radical Red.
: Some players argue that if they already own a physical copy, they should have the right to play a digital backup (ROM) on the device of their choice, a concept known as "format shifting." Impact on the Pokémon Community
Once you have your .nsp or .xci game file, you must load it into your chosen emulator.