roughly. games in your browser
10 roughly. games in your browser, each with a page on how it plays, when it resets and where to play it.
All roughly. games in your browser
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How big? roughly.Drag one object to its real size next to another, five times a day.
Estimation
Browser
2 to 5 minutes
Midnight UTC
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How expensive? roughly.Guess what a kilo of beef or a pound of sugar cost, in a given place and year.
Estimation
Browser
2 to 5 minutes
Midnight UTC
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How many? roughly.Guess how many of you it takes to reach the top of a tower, roughly.
Estimation
Browser
2 to 5 minutes
Midnight UTC
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How sweet? roughly.Stack the sugar cubes you think are in a glass of juice or a bowl of cereal.
Estimation
Browser
2 to 5 minutes
Midnight UTC
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How wide? roughly.Resize one city's outline against another until the built-up area matches.
Estimation
Browser
2 to 5 minutes
Midnight UTC
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When? roughly.Pin five moments from history on a timeline, roughly.No ads
Estimation
Browser
2 to 5 minutes
Midnight UTC
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Where from? roughly.See a company's logo and pin its headquarters on a blank world map.
Geography
Browser
2 to 5 minutes
Midnight UTC
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Where? roughly.Pin five animals on a blank world map, roughly where they live.
Geography
Browser
2 to 5 minutes
Midnight UTC
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Which way? roughly.Draw a river or a mountain range from memory on a map with no borders.
Geography
Browser
3 to 5 minutes
Midnight UTC
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Who? roughly.Guess what share of people gave an answer in a real published survey.
Estimation
Browser
2 to 5 minutes
Midnight UTC