Ballpark - The Game

Ballpark is an estimation game for a group, each on their own phone, in the same room. A question appears. How many times would Greenland fit inside Africa? How many people on Earth are asleep right now? You have a minute, and you type a number. Then everyone's answer lands on the same axis at once — eight decades wide, from one to a hundred million, and it never rescales. That is the point. A guess that is four orders of magnitude out looks exactly as wrong every single time, and there is nowhere to hide. WHAT IT KEEPS Two numbers, and you can explain both. Your calibration score comes from the rounds you actually played: each order of magnitude of average error costs fifty points. Your rating is measured against the questions themselves, because estimation has no opponent when you play alone — every question carries a difficulty, and landing close to a hard one moves you further than…