| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,498 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,337,361 |
| Chinese Zodiac Quiz | 0 | - | 4.73 | 111,474 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,940 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,904 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,704 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,093 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,739 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,822 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,744 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,084 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,005 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,488 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,274 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,530 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,774 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,753 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,633 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,134 |
| Countries that Border China | 0 | - | 4.97 | 211,948 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,655 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 86,953 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,872 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,692 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,442 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,929 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,665 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,495 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,003 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,082 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,450 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,241 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,488 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,359 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,219 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,915 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,739 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,444 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,352 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,079 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,867 |
| Biggest Cities in France | 0 | - | 4.52 | 161,403 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,760 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,910 |
| Biggest Cities in California | 0 | - | 4.30 | 119,843 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,422 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,954 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,858 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,077 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,284 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,689 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,862 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,202 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,474 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,502 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,246 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,733 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,567 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,105 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,423 |
| Biggest Cities in China | 0 | - | 4.43 | 118,166 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,415 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,047 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,325 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,416 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,492 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,785 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,333 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,080 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,760 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,309 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,465 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,769 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,576 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,378 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,160 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,196 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,688 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,807 |
| Dynasties of China | 0 | - | 4.71 | 20,942 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,767 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,164 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,632 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,230 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,672 |
| Biggest Cities in India | 0 | - | 4.52 | 54,822 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,913 |
| Japanese Prefectures | 0 | - | 4.97 | 78,228 |
| China Country Quiz | 0 | - | 4.37 | 90,923 |
| Japan Country Quiz | 0 | - | 4.91 | 103,291 |
| Asia Capital to Country | 0 | - | 4.96 | 95,650 |
| Biggest Cities in History | 0 | - | 4.49 | 70,520 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,306 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,352 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,669 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,191 |
| Provinces of China | 0 | - | 4.97 | 117,782 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,362 |
| Hong Kong Facts | 0 | - | 4.37 | 20,788 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,201 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,166 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,763 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 55,274 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,929 |
| Countries Closest to Japan | 0 | - | 4.95 | 101,971 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,046 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,443 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,052 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,916 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,870 |
| Overseas Chinese Population | 0 | - | 4.57 | 35,692 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,163 |
| China A-Z | 0 | - | 4.64 | 51,573 |
| Japan A-Z | 0 | - | 4.41 | 33,072 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,603 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,192 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,457 |
| Cities of Ireland | 0 | - | 4.40 | 35,648 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,823 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,004 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,060 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,325 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,163 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,895 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,713 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,981 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,415 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,137 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,688 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,684 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,843 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,529 |
| Megacities on a World Map | 0 | - | 4.97 | 199,488 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 173,340 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,803 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,592 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,317 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,557 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,650 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,508 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,524 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 310,869 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,257 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,988 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,670 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,309 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,857 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,071 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,233 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,844 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,951 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,597 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,426 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,815 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,508 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,887 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,650 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,670 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,179 |
| Most Visited Countries by Chinese | 0 | - | 4.24 | 26,122 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,751 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,378 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,514 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,937 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,151 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,514 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,638 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,830 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,015 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,244 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,325 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,456 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,310 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,575 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,240 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,517 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,790 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,551 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,998 |
| China by Picture | 0 | - | 4.53 | 44,874 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,657 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,755 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,429 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 13,851 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,240 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,034 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,488 |
| Countries that Beat China | 0 | - | 4.67 | 73,865 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,823 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,132 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,084 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,928 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,314 |
| China Multiple Choice | 0 | - | 4.42 | 32,166 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,846 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,661 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,434 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,420 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,923 |
| Random Asian Capitals on a Map | 0 | - | 4.71 | 38,344 |
