Closer A calibration game that measures how you perceive reality

Show HN: Closer A calibration game that measures how you perceive reality

Operating in show hn launch, Closer A calibration game that measures how you perceive reality operates.

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Closer is a calibration game where you estimate real-world statistics and compete against AI or friends in real-time. Every answer quietly feeds a dataset on human perception: what we overestimate, underestimate, and where our blind spots are.200+ questions across 8 categories, ELO rankings, and an Insights page that surfaces patterns across all players. Built with React & SupabaseHappy to hear feedback on the question design or ideas for the behavioral data.

Within the show hn launch space, the company focuses on its core offering rather than a broad product line.

Its current recorded stage is Show HN launch.

Website: closer-drab.vercel.app