Make your best guess at a tricky quantity, then face a hidden crowd whose average is uncannily accurate, and try to beat it.
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How to play
Each round asks you to estimate a real quantity. After you submit, a hidden crowd of 200 guessers weighs in and its average is revealed alongside the truth. You score big by landing closer to the true value than the crowd's average, a hands-on demonstration of the wisdom of crowds. A number line shows you, the crowd and the truth side by side.
Five questions per game with a running point total.
The crowd's average usually beats almost every individual guesser.
You also see what percentage of individual guessers you beat.
Controls
Desktop: type your estimate and press Enter or click Submit.
Phone & tablet: type with the keypad and tap Submit, fully touch-friendly.
Game modes
Daily: a shared seeded set of questions.
Practice: fresh randomized questions any time.
Tips & strategy
Anchor on something you know and scale from there rather than guessing blind.
Avoid extreme answers, the crowd's averaging quietly punishes wild outliers.
What you'll learn
Crowd Source pits your judgment against the aggregated wisdom of a simulated crowd, teaching when many guesses beat one.
Skills: estimation, aggregation, the wisdom of crowds
Best for: roughly grades 7–12 (ages 12+)
For parents & teachers: when the crowd knows better than the expert.
About Crowd Source
Crowd Source is an estimation game that pits your judgment against the aggregated wisdom of a simulated crowd. It's an original free browser game made for PlayPendium.
A free, original browser game on PlayPendium. No download, no install.