| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 778,827 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,465,300 |
| Chinese Zodiac Quiz | 0 | - | 4.68 | 116,992 |
| Biggest Cities in Texas | 0 | - | 4.23 | 108,484 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,204 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 163,800 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 24,149 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 312,232 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 105,527 |
| Biggest Cities by Language | 0 | - | 4.95 | 207,525 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,902 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 73,158 |
| Biggest Cities in Japan | 0 | - | 4.70 | 72,790 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 150,162 |
| Biggest Cities in Russia | 0 | - | 4.46 | 74,249 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,694 |
| Biggest Cities in Poland | 0 | - | 4.56 | 45,710 |
| Countries that Border China | 0 | - | 4.96 | 226,134 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.40 | 12,423 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 107,999 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 103,823 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 105,864 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 123,464 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 110,047 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 24,160 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 80,476 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 67,332 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 75,241 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 81,094 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 64,506 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 60,288 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.13 | 20,263 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.85 | 54,951 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 58,512 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 65,847 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 118,857 |
| Biggest Cities in France | 0 | - | 4.48 | 179,351 |
| Biggest Cities in Spain | 0 | - | 4.48 | 146,923 |
| Biggest Cities in Italy | 0 | - | 4.61 | 207,959 |
| Biggest Cities in California | 0 | - | 4.34 | 127,070 |
| Biggest Cities in Florida | 0 | - | 4.18 | 65,542 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 630,747 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,199 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 89,682 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,555 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 47,699 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,668 |
| Biggest Cities in New York State | 0 | - | 4.22 | 54,463 |
| Biggest Cities in Europe | 0 | - | 4.49 | 437,047 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 19,179 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,652 |
| Biggest Cities in Canada | 0 | - | 4.63 | 116,508 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 35,568 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 85,188 |
| Asia Capitals Quiz | 0 | - | 4.98 | 562,358 |
| Biggest Cities in China | 0 | - | 4.43 | 130,981 |
| Asian Cities by Clue | 0 | - | 4.68 | 24,422 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,660 |
| Biggest Cities in Germany | 0 | - | 4.94 | 251,220 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 58,581 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 145,440 |
| Biggest City in Every Country | 0 | - | 4.97 | 73,824 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,705 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 29,137 |
| Biggest Cities in Arizona | 0 | - | 4.21 | 27,440 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 22,178 |
| Biggest Cities in Illinois | 0 | - | 4.32 | 23,630 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,951 |
| Biggest Cities in Wisconsin | 0 | - | 4.44 | 22,666 |
| Biggest Cities in Georgia | 0 | - | 3.84 | 20,993 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,560 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,408 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 18,153 |
| Biggest Cities in Alaska | 0 | - | 4.22 | 22,830 |
| Dynasties of China | 0 | - | 4.61 | 23,353 |
| Biggest English Cities by Century | 0 | - | 4.93 | 95,704 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,186 |
| Biggest European Cities by Letter | 0 | - | 4.51 | 115,892 |
| Biggest Cities in India | 0 | - | 4.60 | 60,296 |
| Biggest Cities in Asia | 0 | - | 4.92 | 92,278 |
| Japanese Prefectures | 0 | - | 4.97 | 97,278 |
| China Country Quiz | 0 | - | 4.37 | 99,786 |
| Japan Country Quiz | 0 | - | 4.90 | 114,024 |
| Asia Capital to Country | 0 | - | 4.95 | 102,219 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,422 |
| Five Biggest Cities by Country | 0 | - | 4.52 | 146,987 |
| China Cities Map Quiz | 0 | - | 4.82 | 85,142 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 80,812 |
| Provinces of China | 0 | - | 4.96 | 141,514 |
| South Korea Country Quiz | 0 | - | 4.63 | 68,803 |
| Hong Kong Facts | 0 | - | 4.42 | 27,255 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,875 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 84,515 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,848 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 18,060 |
| Countries Closest to Japan | 0 | - | 4.95 | 122,772 |
| Most Populous World Capitals | 0 | - | 4.90 | 135,764 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,642 |
| Biggest European Cities by Century | 0 | - | 4.96 | 114,786 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 77,848 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,058 |
| Overseas Chinese Population | 0 | - | 4.53 | 39,083 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 67,773 |
| China A-Z | 0 | - | 4.60 | 57,523 |
| Japan A-Z | 0 | - | 4.46 | 37,200 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 63,061 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 65,128 |
| Cities of Ireland | 0 | - | 4.42 | 38,351 |
| Four Main Islands of Japan | 0 | - | 4.47 | 23,215 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,909 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 160,171 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 87,736 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,446 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 127,320 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 27,120 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 41,389 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,644 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 140,110 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 42,749 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 47,787 |
| Biggest Cities in the UK | 0 | - | 4.41 | 88,566 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 90,047 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,321 |
| Megacities on a World Map | 0 | - | 4.98 | 213,594 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 190,971 |
| Asian Capitals by Map | 0 | - | 4.98 | 42,282 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 104,412 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 80,482 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,875 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 87,701 |
| Cities of the Pearl River Delta | 0 | - | 4.61 | 14,126 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 354,444 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.28 | 35,299 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,891 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,043 |
| World Capitals Closest to Bangkok | 0 | - | 4.92 | 37,228 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 491,453 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 81,721 |
| Megacities on an Empty Map | 0 | - | 4.96 | 84,195 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.88 | 45,071 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 75,143 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,857 |
| Southeast Asian Cities by Map | 0 | - | 4.68 | 24,297 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 65,366 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 60,324 |
| All Cities in China with Population of 1 Million | 0 | - | 4.60 | 35,636 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 26,456 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 38,447 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 61,206 |
| Most Visited Countries by Chinese People | 0 | - | 4.39 | 50,437 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 51,008 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.45 | 50,010 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 67,714 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 81,586 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 38,952 |
| Chinese Geography on the Map | 0 | - | 4.53 | 21,313 |
| Most Guessed Asian Capitals | 0 | - | 4.49 | 61,711 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 66,651 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.48 | 57,656 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,672 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,713 |
| Flags of Countries that Border China | 0 | - | 4.91 | 77,796 |
| Closest Countries to North Korea | 0 | - | 4.90 | 100,721 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 290,989 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 91,688 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,869 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,001 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 45,050 |
| Which City in Asia? | 0 | - | 4.44 | 38,600 |
| Which City in the Middle East? | 0 | - | 4.47 | 49,205 |
| Japan by Picture | 0 | - | 4.41 | 25,048 |
| China by Picture | 0 | - | 4.50 | 51,337 |
| Countries that Visit Japan the Most | 0 | - | 4.92 | 66,873 |
| 500 Biggest US Cities | 0 | - | 4.83 | 90,347 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,080 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,577 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 74,922 |
| Random Asian Capital to Country | 0 | - | 4.96 | 83,757 |
| Random Asian Country to Capital | 0 | - | 4.90 | 82,067 |
| Countries that Beat China | 0 | - | 4.51 | 95,392 |
| Biggest Cities in France - Extreme | 0 | - | 4.88 | 39,866 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 59,267 |
| Random Asian City to Country | 0 | - | 4.42 | 32,854 |
| Taiwan Country Quiz | 0 | - | 4.82 | 38,088 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.86 | 69,447 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 88,952 |
| China Multiple Choice | 0 | - | 4.41 | 34,407 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.56 | 23,622 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 23,756 |
| Countries Closest to Taiwan | 0 | - | 4.79 | 72,113 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 33,526 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 56,739 |
| Random Asian Capitals on a Map | 0 | - | 4.80 | 43,076 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,162 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 18,058 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,162 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 19,787 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 49,652 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 21,570 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 35,067 |
