| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 748,057 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,415,062 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,883 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,378 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 160,832 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,394 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 302,038 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.61 | 93,396 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 130,706 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 102,770 |
| Biggest Cities by Language | 0 | - | 4.95 | 201,937 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,005 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,655 |
| Biggest Cities in Japan | 0 | - | 4.68 | 70,177 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 146,101 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,910 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,797 |
| Biggest Cities in Poland | 0 | - | 4.55 | 43,411 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,713 |
| Biggest Cities Starting With A | 0 | - | 4.49 | 104,465 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 138,766 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 100,774 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 90,198 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 102,413 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 119,623 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 106,617 |
| Biggest Cities Starting With S | 0 | - | 4.36 | 107,312 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,958 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 78,184 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 65,195 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 73,221 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 79,186 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,189 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.13 | 58,969 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,301 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 54,098 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,267 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 64,369 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 115,031 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 174,145 |
| Biggest Cities in France | 0 | - | 4.45 | 172,255 |
| Biggest Cities in Spain | 0 | - | 4.60 | 141,110 |
| Biggest Cities in Italy | 0 | - | 4.60 | 200,248 |
| Biggest Cities in California | 0 | - | 4.33 | 124,335 |
| Biggest Cities in Florida | 0 | - | 4.17 | 63,968 |
| Biggest Cities in the World Quiz | 0 | - | 4.80 | 605,320 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,464 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 87,343 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,398 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 45,520 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,094 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,218 |
| Biggest Cities in Europe | 0 | - | 4.50 | 423,525 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 18,574 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,187 |
| Biggest Cities in Canada | 0 | - | 4.60 | 113,401 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,705 |
| Vietnam War Countries | 0 | - | 4.75 | 81,258 |
| Asia Capitals Quiz | 0 | - | 4.98 | 536,524 |
| Biggest Cities in China | 0 | - | 4.42 | 125,766 |
| Asian Cities by Clue | 0 | - | 4.68 | 23,743 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,611 |
| Biggest Cities in Germany | 0 | - | 4.94 | 240,736 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,359 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 140,860 |
| Biggest City in Every Country | 0 | - | 4.97 | 71,433 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,250 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 28,416 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,543 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,517 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,918 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,930 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,847 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,437 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,716 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,000 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,616 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,175 |
| Biggest City by Time Zone | 0 | - | 4.76 | 51,262 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 94,672 |
| Biggest English Cities by Century | 0 | - | 4.92 | 91,588 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 40,734 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 113,569 |
| Biggest Cities in India | 0 | - | 4.60 | 58,102 |
| Biggest Cities in Asia | 0 | - | 4.92 | 89,543 |
| Biggest City by Island | 0 | - | 4.49 | 43,943 |
| Asia Capital to Country | 0 | - | 4.95 | 99,670 |
| Biggest Cities in History | 0 | - | 4.46 | 74,411 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 41,329 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,661 |
| Singapore Country Quiz | 0 | - | 4.74 | 36,579 |
| Five Biggest Cities by Country | 0 | - | 4.60 | 142,123 |
| Philippines Country Quiz | 0 | - | 4.52 | 57,616 |
| Vietnam Country Quiz | 0 | - | 4.63 | 52,823 |
| Thailand Country Quiz | 0 | - | 4.49 | 42,199 |
| Indonesia Country Quiz | 0 | - | 4.75 | 59,415 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,439 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 65,121 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,658 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,280 |
| Most Populous World Capitals | 0 | - | 4.89 | 132,544 |
| Biggest City by Region | 0 | - | 4.47 | 31,219 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 50,195 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 26,849 |
| Biggest European Cities by Century | 0 | - | 4.95 | 111,175 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 75,444 |
| U.S. Cities by Hispanic Population | 0 | - | 4.23 | 23,557 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 64,029 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 41,222 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 61,231 |
| Biggest Two-Word Cities | 0 | - | 4.62 | 36,508 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 62,501 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.71 | 59,025 |
| Cities of Ireland | 0 | - | 4.42 | 37,201 |
| Largest Indonesian Islands | 0 | - | 4.53 | 40,701 |
| Largest Philippines Islands | 0 | - | 4.60 | 18,101 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,060 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 154,395 |
| Myanmar Country Quiz | 0 | - | 4.50 | 24,753 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 84,926 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 48,242 |
| Countries Closest to Indonesia | 0 | - | 4.98 | 79,380 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 123,853 |
| Cities of China (With Some Help) | 0 | - | 4.84 | 25,724 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.89 | 39,932 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 45,204 |
| Brunei Country Quiz | 0 | - | 4.88 | 17,644 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.95 | 134,412 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,455 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 44,661 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,852 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 86,487 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 37,335 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 61,363 |
| Megacities on a World Map | 0 | - | 4.98 | 207,603 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 183,834 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.76 | 50,837 |
| Asian Capitals by Map | 0 | - | 4.98 | 37,640 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 100,630 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,812 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,827 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,920 |
| Provinces of the Philippines | 0 | - | 4.55 | 29,074 |
| Countries Closest to Vietnam | 0 | - | 4.97 | 79,819 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 337,688 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 34,033 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 52,236 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.45 | 36,217 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.45 | 37,767 |
| World Capitals Closest to Bangkok | 0 | - | 4.93 | 36,214 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 472,569 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.15 | 73,553 |
| Megacities on an Empty Map | 0 | - | 4.96 | 81,310 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.87 | 43,472 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.79 | 4,582 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 66,554 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,800 |
| Southeast Asian Cities by Map | 0 | - | 4.62 | 23,487 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 57,727 |
| All Cities in China with Population of 1 Million | 0 | - | 4.54 | 33,540 |
| Northernmost Major City by Country | 0 | - | 4.51 | 29,239 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 24,351 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 36,108 |
| Asian Coastal Capitals | 0 | - | 4.53 | 18,972 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 58,830 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 46,585 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 79,278 |
| Two Largest Cities by First Two Letters | 0 | - | 4.59 | 58,861 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 37,872 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 66,042 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 85,817 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 44,709 |
| Most Guessed Asian Capitals | 0 | - | 4.48 | 59,919 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 48,501 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,834 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 56,243 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.61 | 53,290 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,538 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 278,549 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 86,487 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 64,952 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,017 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 43,881 |
| Which City in Asia? | 0 | - | 4.44 | 37,568 |
| Which City in the Middle East? | 0 | - | 4.47 | 47,940 |
| 500 Biggest US Cities | 0 | - | 4.85 | 84,302 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,417 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,896 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 66,965 |
| Random Asian Capital to Country | 0 | - | 4.95 | 78,970 |
| Random Asian Country to Capital | 0 | - | 4.91 | 68,954 |
| Biggest Cities in France - Extreme | 0 | - | 4.85 | 36,306 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 51,496 |
| Random Asian City to Country | 0 | - | 4.42 | 32,176 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 62,553 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.56 | 22,980 |
| East Timor Country Quiz | 0 | - | 4.43 | 18,745 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.56 | 22,932 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 31,172 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.85 | 54,622 |
