. Highly compressed versions often claim to be under 1GB. This is typically achieved by removing "dummy data" (which is safe) or by heavily re-encoding audio and video assets (which can cause issues). Potential Issues Audio/Video Lag
typically refers to specialized file formats designed to save space, such as or NKIT.ISO for the original Wii version, or compressed NSP files for the Switch HD version . File Size Comparison
Can be as small as 861 MB using specialized compression formats like NKit or Dolphin's RVZ format. Nintendo Switch HD Version: Standard NSP/XCI: Approximately 7.1 GB to 7.5 GB .