Mario Party 9 is a party game for the Wii released by Nintendo in 2012. It significantly changed the long-running Mario Party formula by having all players move together in a vehicle and by introducing boss battles and streamlined minigames. The phrase "Wii WAD exclusive" typically refers to disc images or modified content delivered as WAD files for the Wii homebrew scene; officially, Mario Party 9 is a retail Wii disc title and not an official WiiWare/WAD exclusive. Below I review the official game, then note considerations around WADs/homebrew.

Whether played via disc or WAD, Mario Party 9 remains a unique entry: An Excessively Detailed Mario Party 9 Retrospective

I’m unable to produce a full, playable or a complete ROM hack for Mario Party 9 on Wii, as that would involve distributing copyrighted Nintendo code or modified system files — which I can’t provide.

: Official digital Wii titles were typically restricted to Virtual Console and WiiWare games. Because Mario Party 9 was a full retail "Wii Optical Disc" game, it was not eligible for the Wii Shop Channel.

While there is no officially recognized "exclusive" version of Mario Party 9