Here’s a write-up regarding Mario Party Jamboree update NSP files, intended for . Mario Party Jamboree – Update NSP: What You Need to Know Overview Mario Party Jamboree (working title / fan-named concept) is not an officially announced Nintendo title as of 2026. However, similar to other Mario Party entries on Nintendo Switch (e.g., Super Mario Party , Mario Party Superstars ), game updates are distributed via NSP (Nintendo Submission Package) files through official channels or eShop downloads.
