| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,202 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,338,774 |
| Chinese Zodiac Quiz | 0 | - | 4.73 | 111,531 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,984 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,922 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,759 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,105 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,932 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,134 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,117 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,505 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,314 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,583 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,891 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,795 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,684 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,182 |
| Countries that Border China | 0 | - | 4.97 | 212,092 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,669 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,026 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,138 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,500 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,293 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,538 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.11 | 61,401 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,252 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,953 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,780 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,489 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,391 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,131 |
| Biggest Cities in France | 0 | - | 4.52 | 161,566 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,879 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,060 |
| Biggest Cities in California | 0 | - | 4.30 | 119,905 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,459 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,462 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,880 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,140 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,314 |
| Biggest Cities in The Netherlands | 0 | - | 4.44 | 34,861 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,873 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,234 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,744 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,524 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,265 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,800 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,596 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,176 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,918 |
| Biggest Cities in China | 0 | - | 4.43 | 118,263 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,070 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,601 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,439 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,909 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,829 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,348 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,097 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,782 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,326 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,487 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,800 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,589 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,384 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,176 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,205 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,703 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,827 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,723 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,276 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,717 |
| Biggest Cities in India | 0 | - | 4.52 | 54,875 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,960 |
| Japanese Prefectures | 0 | - | 4.97 | 78,381 |
| China Country Quiz | 0 | - | 4.37 | 91,015 |
| Japan Country Quiz | 0 | - | 4.91 | 103,396 |
| Asia Capital to Country | 0 | - | 4.96 | 95,716 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,362 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,451 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,710 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,278 |
| Provinces of China | 0 | - | 4.97 | 117,999 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,430 |
| Hong Kong Facts | 0 | - | 4.37 | 20,808 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,228 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,861 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,138 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,954 |
| Countries Closest to Japan | 0 | - | 4.95 | 102,078 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,163 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,456 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,141 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,981 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,878 |
| Overseas Chinese Population | 0 | - | 4.57 | 35,738 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,217 |
| China A-Z | 0 | - | 4.64 | 51,641 |
| Japan A-Z | 0 | - | 4.41 | 33,107 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,661 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,269 |
| Cities of Ireland | 0 | - | 4.40 | 35,672 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,851 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,147 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,128 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,355 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,258 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,557 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,951 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,748 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,089 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,442 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,199 |
| Countries of Asia with an Empty Map | 0 | - | 4.99 | 185,300 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,771 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,749 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,868 |
| Megacities on a World Map | 0 | - | 4.97 | 199,639 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,148 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,765 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,421 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 63,099 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,624 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,684 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,567 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,546 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,153 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,280 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,029 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,693 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,336 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,314 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,159 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,260 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,935 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 52,006 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,625 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,509 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,479 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,891 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,591 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,992 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,771 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,255 |
| Most Visited Countries by Chinese | 0 | - | 4.24 | 26,139 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,803 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,426 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,571 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,002 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,542 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.98 | 81,100 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 41,936 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,675 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,863 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,054 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,277 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,356 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,492 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,390 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,660 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,503 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,591 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,834 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,571 |
| Top Asian Languages on a Map | 0 | - | 4.88 | 51,901 |
| Which City in the Middle East? | 0 | - | 4.46 | 46,023 |
| China by Picture | 0 | - | 4.53 | 44,935 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,713 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,916 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,449 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,867 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,297 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.64 | 45,874 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,086 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,527 |
| Countries that Beat China | 0 | - | 4.68 | 73,919 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,887 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,225 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,127 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,065 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.94 | 65,327 |
| Pixelated Asia Map | 0 | - | 4.88 | 53,346 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,408 |
| China Multiple Choice | 0 | - | 4.42 | 32,194 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,685 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,494 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,747 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,477 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,982 |
| Random Asian Countries on a Map | 0 | - | 4.95 | 125,003 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,594 |
| Random Asian Capitals on a Map | 0 | - | 4.71 | 38,391 |
| Random European Capitals on a Map | 0 | - | 4.96 | 89,887 |
| Random U.S. State Capitals on a Map | 0 | - | 4.87 | 69,066 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 27,102 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,574 |
| Hong Kong A-Z | 0 | - | 4.47 | 11,479 |
| Cities in Squares on a Map - North America | 0 | - | 4.26 | 16,772 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.46 | 17,079 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 44,123 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 92,322 |
