About Guessamillion
Guessamillion is a free daily game about estimating the world: how tall, how far, how many, how fast. It's an independent game made in New Jersey.
Why estimation
Most trivia rewards remembering an exact fact. Real life rarely works that way. Engineers, investors, doctors and good poker players all lean on the same skill: getting close to an answer quickly, and knowing how close they probably are.
Scientists call these Fermi questions, after the physicist Enrico Fermi, who was famous for reaching good answers with rough reasoning. How many seconds are in a day? How tall is Everest? You may not know the exact figure, but you can usually get near it, and you can usually tell whether you're confident or guessing.
Why betting
Guessamillion turns that second skill, knowing how sure you are, into the heart of the game. A tight range pays big but misses often. A wide range is safe but pays little. The players at the top of the Rich List aren't the ones who know the most. They're the ones who know what they know, and size their bets to match.
How the questions are made
Every question has a single, well-documented numeric answer drawn from standard references such as encyclopedias, official measurements and agency data. Where sources disagree, we use the most widely cited figure and phrase the question to match it. Each day's slip moves from familiar warm-ups to genuinely hard estimates.
Fair play
Every bet is scored on our server, and answers are never sent to your browser until you lock in, so the Rich List can't be edited from the page. One account per person, please. Players who run multiple accounts or use automated tools may be removed from the Rich List.
Contact
Questions, corrections or ideas for new questions: guessamillion-support@googlegroups.com.