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

Mario Kart World arrived as the Switch 2’s launch title, bringing the long-running kart-racing series to Nintendo’s new hardware. Collectors prize the game for its launch-window scarcity and for the console-specific features it showcases. The title also marks the first numbered entry in the series since Mario Kart 8.
Players race across sixteen new courses and eight battle arenas, each built around dynamic weather and day-night cycles. Up to twelve racers compete online or locally, supported by a revised item roster and a new "World Tour" single-player campaign that links tracks into continuous routes.
Nintendo EPD produced the game in tandem with the Switch 2 hardware team, optimizing draw distances and lighting for the system’s enhanced GPU. Early prototypes reportedly explored open-zone traversal before the team returned to traditional circuit design.
Preview events praised the smoother frame rate and richer environments, while some critics noted the campaign’s brevity. Launch bundles pairing the game with a Switch 2 console sold out within hours, driving secondary-market premiums.