The line comes from Squid Game, the Netflix survival drama that became a global hit after its 2021 debut, where players compete in deadly versions of childhood games for a cash prize. A returning player insisting he has played these games before captures the show's central tension between experience and danger, and the clip has since circulated in gaming edits, reaction videos, and short-form memes. It remains popular because it instantly frames any rematch, challenge, or comeback as something the speaker has already survived once.