10 questions · hard · Trivia quiz · Mario
The Mario record book, platformers first: the 1985 cartridge that outsold its own console's reputation, the DS game nothing on its system could catch, and the 2023 sequel that sold four million copies before most reviews had settled. Every figure is anchored to its date the way the reference shelf keeps it, because an unanchored sales record is just a rumor that happens to contain a number. Ten questions, all checkable.