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 1988 for the NES, Super Mario Bros. 2 introduced a new cast of playable characters and a dream-world setting that expanded the Mario formula. Collectors prize the North American cartridge for its distinct box art and its role as the first Mario title to feature Princess Peach as a playable hero.
Players select from Mario, Luigi, Toad, or Peach, each with unique jump height and speed. The core loop shifts from stomping to plucking vegetables and throwing objects at enemies. Vertical scrolling stages and boss rematches reward careful item use and character choice.
Originally an unrelated Japanese game called Yume Kōjō: Doki Doki Panic, the title was reskinned with Mario characters for Western release. Nintendo of America requested the change to avoid releasing two similar platformers in one year, giving the game its signature dream motif.
Reviewers praised the fresh mechanics and colorful presentation, though some noted the difficulty spike. Over time the game’s quirky identity and character roster have earned it a loyal following among collectors seeking complete NES sets.