You can see examples of the high-difficulty SMM1 gameplay typically associated with these types of files here: [SMM1] Hard 0% Levels Compilation #2 YouTube• Feb 5, 2024
Often indicates a specific pack or a sequence of 10 levels within a project. SMM1-10_PRV.rar
Media files or "PRV" (Preview/Private) versions of levels used for testing consistency or frame-perfect tricks like crouch jumps , shell regrabs , or midairs . Technical Observations SMM1: Refers to the first Super Mario Maker game on Wii U. You can see examples of the high-difficulty SMM1