To clarify, was a physical retail game released for the Nintendo Wii on an optical disc. It was never released as a digital WiiWare exclusive (WAD) via the Wii Shop Channel.
: Due to its late-generation release and status as the final Mario Wii title, sealed copies are now often sold as graded collector's items at retailers like eBay and Mercari . Unofficial "WADs" and Homebrew
Unlocking the Party: The Truth About "Mario Party 9 Wii WAD Exclusive" If you’ve been scouring the web for a Mario Party 9 Wii WAD exclusive
Whether you seek the WAD for the rumored "instant minigame loader," the convenience of no disc, or the challenge of modding your old console, remember:
Today, "Mario Party 9 WAD" usually refers to a retail game that has been converted into a WAD format by the homebrew community to allow it to be installed and launched directly from the Wii System Menu without the original disc. Core Gameplay Features
released by Nintendo. Unlike some titles that received digital-only releases or Virtual Console versions, Mario Party 9 was exclusively a retail disc-based game for the Nintendo Wii.