A living retro collection index — games, consoles, and manuals collectors have logged, how many own each one, and the market prices we have.
358 titles

Released in 2012 for the Wii, Mario Party 9 reimagines the long-running series by placing all players on a single, continuously moving vehicle that travels along a linear board. Collectors prize the title for its bold departure from the franchise formula and for its scarcity in complete, mint condition.
Four players ride a shared vehicle through themed stages, stopping at junctions to claim mini-stars. The traditional free-roam board is replaced by a guided path, shifting strategy toward item timing and boss-battle placement. Seventy-plus mini-games test reflexes, memory, and coordination, while boss stages pit the party against oversized foes.
NDcube, taking over from Hudson Soft, streamlined the series to suit motion controls and shorter play sessions. The studio introduced the vehicle mechanic to reduce downtime between turns and to emphasize group interaction over individual navigation.
Reviewers praised the polished mini-games and family-friendly presentation, yet many longtime fans lamented the loss of open boards. Aggregate scores hovered in the mid-seventies, reflecting a divided audience that still values the game for its distinctive approach.