This article explores the nuances between these two, comparing the legal, highly polished Arcade Archives release with the community-driven custom NSP approach. What is Arcade Archives: VS. Super Mario Bros?
Some reviewers and players on platforms like YouTube have reported a slight in this version, which can affect the precision required for its high-difficulty jumps. Arcade Archives VS. SUPER MARIO BROS. | HAMSTER Corporation
When dealing with NSP files (Nintendo Switch Packages) for unofficial or emulated content, performance varies based on the emulator (like RetroArch) being used. While they allow playing rare titles like Super Mario Bros. Special on the Switch, they lack the polished, developer-supported quality of official Arcade Archives titles.
But then there's Super Mario Bros. on the Nintendo Switch eShop.