| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,516 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,257 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,870 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,873 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,626 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,080 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,422 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,713 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,667 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,990 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,600 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,458 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,220 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,462 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,673 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,676 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,550 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,059 |
| Countries that Border China | 0 | - | 4.97 | 211,764 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,639 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,829 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,775 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,607 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,320 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,832 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,524 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,386 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,958 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,996 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,374 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,171 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,424 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,301 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,166 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,862 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,693 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,392 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,280 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 108,977 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,672 |
| Biggest Cities in France | 0 | - | 4.52 | 161,185 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,584 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,668 |
| Biggest Cities in California | 0 | - | 4.30 | 119,734 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,322 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,212 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,825 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,981 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,247 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,640 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,844 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,162 |
| Biggest Cities in Europe | 0 | - | 4.56 | 403,051 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,477 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,231 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,627 |
| Japanese Loanwords | 0 | - | 4.43 | 59,746 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,516 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,017 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,658 |
| Biggest Cities in China | 0 | - | 4.42 | 117,964 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,377 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,011 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,946 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,372 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,347 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,709 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,322 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,047 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,719 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,286 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,426 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,730 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,556 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,355 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,136 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,175 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,673 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,779 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,727 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,122 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,474 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,165 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,609 |
| Biggest Cities in India | 0 | - | 4.51 | 54,764 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,815 |
| Japanese Prefectures | 0 | - | 4.97 | 77,887 |
| Japan Country Quiz | 0 | - | 4.91 | 103,143 |
| Asia Capital to Country | 0 | - | 4.96 | 95,542 |
| Biggest Cities in History | 0 | - | 4.49 | 70,372 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,243 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,221 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,556 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,147 |
| Provinces of China | 0 | - | 4.97 | 117,406 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,213 |
| Hong Kong Facts | 0 | - | 4.36 | 20,767 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,159 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,131 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,633 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,814 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,902 |
| Countries Closest to Japan | 0 | - | 4.95 | 101,883 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,753 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,409 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,932 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,862 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,857 |
| Overseas Chinese Population | 0 | - | 4.56 | 35,621 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,078 |
| China A-Z | 0 | - | 4.64 | 51,469 |
| Japan A-Z | 0 | - | 4.41 | 33,021 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,553 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,109 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,379 |
| Cities of Ireland | 0 | - | 4.39 | 35,618 |
| Four Main Islands of Japan | 0 | - | 4.40 | 20,436 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,791 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,800 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,977 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,289 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,977 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,461 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,794 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,636 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,817 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,360 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,024 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,575 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,570 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,798 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,482 |
| Megacities on a World Map | 0 | - | 4.97 | 199,065 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 168,661 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,763 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,349 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,974 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,356 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,593 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,300 |
| Cities of the Pearl River Delta | 0 | - | 4.59 | 12,496 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 302,173 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,224 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,939 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,622 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,262 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,104 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,977 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,197 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,751 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,873 |
| Southeast Asian Cities by Map | 0 | - | 4.54 | 17,557 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,366 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,669 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,381 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,745 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,001 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,639 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,086 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,648 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,301 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,445 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,863 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,088 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,475 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,589 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,787 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,961 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,191 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,264 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,372 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,205 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,420 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,713 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,316 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,715 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,516 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,956 |
| Japan by Picture | 0 | - | 4.36 | 22,287 |
| China by Picture | 0 | - | 4.53 | 44,759 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,557 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,551 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,412 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,831 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,113 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,938 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,373 |
| Countries that Beat China | 0 | - | 4.67 | 73,759 |
| Countries that Beat Japan | 0 | - | 4.28 | 41,447 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,709 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,981 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,033 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,727 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,160 |
| China Multiple Choice | 0 | - | 4.42 | 32,137 |
| Japan Multiple Choice | 0 | - | 4.47 | 34,580 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,817 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,631 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,354 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,334 |
