| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,373 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,003 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,861 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,869 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,614 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,077 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,371 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,981 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,574 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,455 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,210 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,447 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,652 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,667 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,533 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,048 |
| Countries that Border China | 0 | - | 4.97 | 211,670 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,632 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,952 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,978 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,356 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,159 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,414 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,295 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,163 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,859 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,687 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,389 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,269 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,950 |
| Biggest Cities in France | 0 | - | 4.52 | 161,158 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,557 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,634 |
| Biggest Cities in California | 0 | - | 4.30 | 119,720 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,313 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,090 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,819 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,969 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,238 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,629 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,841 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,159 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,981 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,476 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,228 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,603 |
| Japanese Loanwords | 0 | - | 4.43 | 59,735 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,506 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,001 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,523 |
| Biggest Cities in China | 0 | - | 4.41 | 117,931 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,003 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,889 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,367 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,329 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,698 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,321 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,045 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,717 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,284 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,423 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,724 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,553 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,352 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,134 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,173 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,661 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,777 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,461 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,161 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,602 |
| Biggest Cities in India | 0 | - | 4.51 | 54,753 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,802 |
| Japanese Prefectures | 0 | - | 4.97 | 77,854 |
| Japan Country Quiz | 0 | - | 4.91 | 103,123 |
| Asia Capital to Country | 0 | - | 4.96 | 95,528 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,231 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,206 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,541 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,143 |
| Provinces of China | 0 | - | 4.97 | 117,315 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,207 |
| Hong Kong Facts | 0 | - | 4.36 | 20,765 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,153 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,612 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,804 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,900 |
| Countries Closest to Japan | 0 | - | 4.95 | 101,862 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,738 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,409 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,920 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,859 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,854 |
| Overseas Chinese Population | 0 | - | 4.56 | 35,609 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,069 |
| China A-Z | 0 | - | 4.64 | 51,453 |
| Japan A-Z | 0 | - | 4.41 | 33,014 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,547 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,095 |
| Cities of Ireland | 0 | - | 4.39 | 35,612 |
| Four Main Islands of Japan | 0 | - | 4.40 | 20,426 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,789 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,771 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,966 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,286 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,940 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,451 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,787 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,629 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,799 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,358 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,012 |
| Countries of Asia with an Empty Map | 0 | - | 4.99 | 184,857 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,557 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,554 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,790 |
| Megacities on a World Map | 0 | - | 4.97 | 199,027 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 165,523 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,298 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,796 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 62,740 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,250 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,583 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,117 |
| Cities of the Pearl River Delta | 0 | - | 4.59 | 12,492 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,301 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,220 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,928 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,617 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,257 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,015 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,959 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,189 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,741 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,858 |
| Southeast Asian Cities by Map | 0 | - | 4.54 | 17,550 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,347 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,354 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,648 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,363 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,709 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,735 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,070 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,635 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,289 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,433 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,852 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,468 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.98 | 80,866 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 41,815 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,587 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,786 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,956 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,187 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,251 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,366 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,197 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,405 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,638 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,284 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,700 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,512 |
| Top Asian Languages on a Map | 0 | - | 4.88 | 51,775 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,947 |
| Japan by Picture | 0 | - | 4.36 | 22,281 |
| China by Picture | 0 | - | 4.54 | 44,740 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,546 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,503 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,395 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,821 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,095 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.64 | 45,758 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,930 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,363 |
| Countries that Beat China | 0 | - | 4.67 | 73,754 |
| Countries that Beat Japan | 0 | - | 4.28 | 41,443 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,689 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,959 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,031 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,693 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.94 | 64,970 |
| Pixelated Asia Map | 0 | - | 4.88 | 53,137 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,143 |
| China Multiple Choice | 0 | - | 4.42 | 32,135 |
| Japan Multiple Choice | 0 | - | 4.47 | 34,576 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,627 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,347 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,618 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,323 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,824 |
| Random Asian Countries on a Map | 0 | - | 4.95 | 124,636 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,426 |
| Random Asian Capitals on a Map | 0 | - | 4.71 | 38,280 |
| Random European Capitals on a Map | 0 | - | 4.96 | 89,633 |
| Random U.S. State Capitals on a Map | 0 | - | 4.89 | 68,567 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 27,002 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,507 |
| Hong Kong A-Z | 0 | - | 4.47 | 11,437 |
| Cities in Squares on a Map - North America | 0 | - | 4.26 | 16,721 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.46 | 17,042 |
