It looks like you’re referencing a ROM or game file naming convention for Pokémon: Let’s Go, Pikachu! on Nintendo Switch (NSP/XCI format, likely including an update file).

Pokemon- Let-s Go- Pikachu- Switch Nsp Xci -upd... Info

It looks like you’re referencing a ROM or game file naming convention for Pokémon: Let’s Go, Pikachu! on Nintendo Switch (NSP/XCI format, likely including an update file).