Super-mario-odyssey-nsp-romslab.rar -

The text refers to a compressed archive file containing a digital copy of the game Super Mario Odyssey . Breakdown of the Filename:

Downloading and distributing copyrighted game files (ROMs) is generally considered software piracy and may violate Nintendo's Terms of Service as well as intellectual property laws in many regions. Super-Mario-Odyssey-NSP-ROMSLAB.rar

Files like this are typically found on third-party websites and are used for playing games on Nintendo Switch hardware via custom firmware (CFW) or on PC emulators like or Ryujinx . The text refers to a compressed archive file