| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,959 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,336,194 |
| Chinese Zodiac Quiz | 0 | - | 4.73 | 111,434 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,903 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,883 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,659 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,083 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,584 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,765 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,700 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,037 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,660 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,469 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,247 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,497 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,732 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,707 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,600 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,093 |
| Countries that Border China | 0 | - | 4.97 | 211,851 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,642 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,870 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,815 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,638 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,370 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,876 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,582 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,431 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,976 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,022 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,393 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,191 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,439 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,315 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,176 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,874 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,700 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,404 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,298 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,015 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,774 |
| Biggest Cities in France | 0 | - | 4.52 | 161,289 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,676 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,778 |
| Biggest Cities in California | 0 | - | 4.30 | 119,786 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,373 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,529 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,842 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,027 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,263 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,670 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,853 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,175 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,243 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,486 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,238 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,678 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,541 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,060 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,998 |
| Biggest Cities in China | 0 | - | 4.42 | 118,075 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,395 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,031 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,065 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,395 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,411 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,746 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,329 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,059 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,737 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,297 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,439 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,753 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,565 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,365 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,146 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,178 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,678 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,794 |
| Dynasties of China | 0 | - | 4.67 | 20,923 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,740 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,143 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,537 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,195 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,636 |
| Biggest Cities in India | 0 | - | 4.51 | 54,786 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,857 |
| Japanese Prefectures | 0 | - | 4.97 | 78,013 |
| China Country Quiz | 0 | - | 4.37 | 90,864 |
| Japan Country Quiz | 0 | - | 4.91 | 103,215 |
| Asia Capital to Country | 0 | - | 4.96 | 95,604 |
| Biggest Cities in History | 0 | - | 4.49 | 70,449 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,272 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,280 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,594 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,167 |
| Provinces of China | 0 | - | 4.97 | 117,607 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,281 |
| Hong Kong Facts | 0 | - | 4.36 | 20,774 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,175 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,151 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,695 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,827 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,916 |
| Countries Closest to Japan | 0 | - | 4.95 | 101,918 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,806 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,428 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,992 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,891 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,864 |
| Overseas Chinese Population | 0 | - | 4.56 | 35,650 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,110 |
| China A-Z | 0 | - | 4.64 | 51,513 |
| Japan A-Z | 0 | - | 4.41 | 33,050 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,576 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,151 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,414 |
| Cities of Ireland | 0 | - | 4.39 | 35,631 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,804 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,893 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,011 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,305 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 118,062 |
| Cities of China (With Some Help) | 0 | - | 4.76 | 23,493 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,844 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,668 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,915 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,394 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,088 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,625 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,626 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,823 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,504 |
| Megacities on a World Map | 0 | - | 4.97 | 199,300 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 171,688 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,781 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,503 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,171 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,470 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,622 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,413 |
| Cities of the Pearl River Delta | 0 | - | 4.59 | 12,508 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 308,314 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,237 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,959 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,648 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,282 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,421 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,028 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,214 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,805 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,907 |
| Southeast Asian Cities by Map | 0 | - | 4.54 | 17,577 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,387 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,729 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,440 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,820 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,395 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,656 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,129 |
| Most Visited Countries by Chinese | 0 | - | 4.24 | 26,106 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,704 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,339 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,484 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,892 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,121 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,490 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,607 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,807 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,986 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,219 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,292 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,413 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,250 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,502 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,938 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,413 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,740 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,530 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,975 |
| China by Picture | 0 | - | 4.53 | 44,821 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,606 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,647 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,420 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,842 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,170 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,984 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,428 |
| Countries that Beat China | 0 | - | 4.67 | 73,816 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,756 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,061 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,058 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,830 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,230 |
| China Multiple Choice | 0 | - | 4.42 | 32,149 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,832 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,642 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,382 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,379 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,884 |
