| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 709,243 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,796 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,249 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,943 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,846 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,140 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,249 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,970 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,844 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,207 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,278 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,543 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,372 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,670 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,031 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,864 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,766 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,261 |
| Countries that Border China | 0 | - | 4.97 | 212,311 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,698 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 87,134 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,077 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,838 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,806 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,112 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,885 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,683 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,077 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,261 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,606 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,592 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,647 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,479 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,329 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,006 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,832 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,568 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,468 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,257 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,174 |
| Biggest Cities in France | 0 | - | 4.52 | 161,818 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,111 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,363 |
| Biggest Cities in California | 0 | - | 4.30 | 120,010 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,517 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 572,282 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,913 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,204 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,358 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,322 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,897 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,282 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,171 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,550 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,283 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,901 |
| Japanese Loanwords | 0 | - | 4.43 | 59,896 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,648 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,316 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,721 |
| Biggest Cities in China | 0 | - | 4.42 | 118,427 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,483 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,101 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,942 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,477 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,046 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,904 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,368 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,126 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,825 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,349 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,513 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,838 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,615 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,402 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,201 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,220 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,721 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,857 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,825 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,238 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,857 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,349 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,068 |
| Biggest Cities in India | 0 | - | 4.52 | 54,954 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,051 |
| Japanese Prefectures | 0 | - | 4.97 | 78,611 |
| Japan Country Quiz | 0 | - | 4.91 | 103,570 |
| Asia Capital to Country | 0 | - | 4.96 | 95,817 |
| Biggest Cities in History | 0 | - | 4.47 | 70,712 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,436 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,583 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,802 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,367 |
| Provinces of China | 0 | - | 4.97 | 118,319 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,537 |
| Hong Kong Facts | 0 | - | 4.37 | 20,839 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,277 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,254 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,006 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,754 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,986 |
| Countries Closest to Japan | 0 | - | 4.95 | 102,229 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,287 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,476 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,281 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,068 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,898 |
| Overseas Chinese Population | 0 | - | 4.57 | 35,799 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,304 |
| China A-Z | 0 | - | 4.64 | 51,719 |
| Japan A-Z | 0 | - | 4.41 | 33,160 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,725 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,362 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,596 |
| Cities of Ireland | 0 | - | 4.40 | 35,710 |
| Four Main Islands of Japan | 0 | - | 4.40 | 20,520 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,890 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,387 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,218 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,403 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,389 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,602 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 34,019 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,799 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,353 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,483 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,295 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,879 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,857 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,897 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,628 |
| Megacities on a World Map | 0 | - | 4.97 | 199,845 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,765 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,882 |
| Asian Capitals by Map | 0 | - | 4.98 | 30,101 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,543 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,740 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,734 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,652 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,578 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,047 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,300 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,087 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,737 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,387 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,952 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,269 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,304 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 63,039 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,098 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,658 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,545 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,029 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 27,676 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,139 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,870 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,723 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,350 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,889 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,494 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,647 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,079 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,262 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,581 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,721 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,918 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,132 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,327 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,397 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,526 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,491 |
| Closest Countries to North Korea | 0 | - | 4.94 | 94,057 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,876 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,740 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,891 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,598 |
| Which City in the Middle East? | 0 | - | 4.46 | 46,068 |
| Japan by Picture | 0 | - | 4.35 | 22,374 |
| China by Picture | 0 | - | 4.55 | 45,036 |
| Countries that Visit Japan the Most | 0 | - | 4.90 | 60,802 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,137 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,468 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,897 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,417 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,185 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,635 |
| Countries that Beat China | 0 | - | 4.68 | 74,008 |
| Countries that Beat Japan | 0 | - | 4.28 | 41,545 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,976 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,378 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,203 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,259 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,539 |
| China Multiple Choice | 0 | - | 4.42 | 32,228 |
| Japan Multiple Choice | 0 | - | 4.47 | 34,676 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,889 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,717 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,566 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,547 |
