| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 745,523 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,409,781 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,696 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,304 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,215,397 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 160,577 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,351 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 301,133 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.61 | 93,221 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 130,566 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 102,570 |
| Biggest Cities by Language | 0 | - | 4.95 | 201,480 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,924 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,539 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 317,965 |
| Jewish Cities Quiz | 0 | - | 4.30 | 57,264 |
| Biggest Cities in Japan | 0 | - | 4.68 | 69,991 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 145,789 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,745 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 67,904 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,626 |
| Biggest Cities in Poland | 0 | - | 4.55 | 43,248 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,663 |
| Biggest Cities Starting With A | 0 | - | 4.49 | 104,081 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 138,198 |
| Biggest Cities Starting With C | 0 | - | 4.04 | 91,711 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 100,427 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 89,863 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 74,238 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 102,063 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 119,224 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 106,218 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 105,063 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 99,035 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,855 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 77,908 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 64,958 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.20 | 72,865 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 78,893 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,020 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.11 | 58,821 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,186 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 53,967 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,112 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 64,208 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 114,720 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 173,743 |
| Biggest Cities in France | 0 | - | 4.45 | 171,658 |
| Biggest Cities in Spain | 0 | - | 4.60 | 140,513 |
| Biggest Cities in Italy | 0 | - | 4.60 | 199,595 |
| Biggest Cities in California | 0 | - | 4.33 | 124,071 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,813 |
| Biggest Cities in the World Quiz | 0 | - | 4.80 | 603,304 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,374 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 87,132 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,297 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 45,339 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,047 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,120 |
| Biggest Cities in Europe | 0 | - | 4.50 | 422,336 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 18,523 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,162 |
| Biggest Cities in Canada | 0 | - | 4.60 | 113,131 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,512 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 135,709 |
| Biggest Cities in China | 0 | - | 4.42 | 125,244 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,525 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 131,445 |
| Biggest Cities in Germany | 0 | - | 4.94 | 239,866 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,284 |
| Second Biggest Cities Quiz | 0 | - | 4.22 | 37,537 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 140,556 |
| Biggest City in Every Country | 0 | - | 4.98 | 71,235 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,216 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,352 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,465 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,472 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,866 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,822 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,772 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,389 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,628 |
| Biggest Cities in Missouri | 0 | - | 4.17 | 14,969 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,556 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,108 |
| Biggest City by Time Zone | 0 | - | 4.76 | 51,172 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 94,510 |
| Biggest English Cities by Century | 0 | - | 4.92 | 91,220 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 40,616 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 113,387 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 179,446 |
| Biggest Cities in India | 0 | - | 4.60 | 57,901 |
| Biggest Cities in Asia | 0 | - | 4.91 | 89,314 |
| Biggest City by Island | 0 | - | 4.49 | 43,828 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 152,636 |
| Biggest Cities in History | 0 | - | 4.46 | 74,188 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 41,240 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 38,911 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,482 |
| Five Biggest Cities by Country | 0 | - | 4.60 | 141,792 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,310 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 64,982 |
| Biggest Coastal City by Country | 0 | - | 4.55 | 25,765 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,548 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,182 |
| Most Populous World Capitals | 0 | - | 4.89 | 132,345 |
| Biggest City by Region | 0 | - | 4.47 | 31,099 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 50,095 |
| Biggest City by Region #2 | 0 | - | 4.43 | 21,388 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 26,757 |
| Biggest European Cities by Century | 0 | - | 4.95 | 110,853 |
| Capitals of Most Populated Countries | 0 | - | 4.96 | 111,166 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 116,954 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 232,406 |
| U.S. Cities by Hispanic Population | 0 | - | 4.23 | 23,515 |
| Biggest Cities by Latitude | 0 | - | 4.70 | 25,098 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 63,735 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 41,112 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 61,091 |
| Biggest Axis-Controlled Cities | 0 | - | 4.25 | 32,382 |
| Biggest Two-Word Cities | 0 | - | 4.62 | 36,357 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 62,273 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.71 | 58,837 |
| Cities of Ireland | 0 | - | 4.42 | 37,085 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 36,984 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 153,659 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 84,641 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 48,118 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 127,111 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 123,578 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 128,112 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 151,583 |
| Cities of China (With Some Help) | 0 | - | 4.84 | 25,566 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,778 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 45,058 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 228,517 |
| Countries with Megacities | 0 | - | 4.99 | 182,761 |
| Countries of Europe by Population | 0 | - | 4.98 | 114,789 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 177,814 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.95 | 133,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 142,792 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,349 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,580 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 86,212 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 61,147 |
| Megacities on a World Map | 0 | - | 4.98 | 207,081 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 183,294 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.76 | 50,709 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 100,359 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,548 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,697 |
| Ten Northernmost Megacities | 0 | - | 4.43 | 45,229 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,665 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 336,278 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 137,258 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,948 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 52,103 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 36,144 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.45 | 37,658 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 470,738 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.14 | 72,825 |
| Megacities on an Empty Map | 0 | - | 4.96 | 81,050 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,603 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 57,515 |
| All Cities in China with Population of 1 Million | 0 | - | 4.53 | 33,341 |
| Northernmost Major City by Country | 0 | - | 4.51 | 29,172 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 24,191 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,920 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,612 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 46,329 |
| Two Largest Cities by First Two Letters | 0 | - | 4.59 | 58,729 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 37,790 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 48,370 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.69 | 64,673 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 102,823 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 56,125 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 53,169 |
| Biggest Cities Near a Border | 0 | - | 4.13 | 15,441 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,432 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 277,393 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 86,058 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,774 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,918 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 132,848 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.36 | 28,369 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 43,785 |
| Biggest Cities by Trait #2 | 0 | - | 4.34 | 13,168 |
| Flags to Largest Cities | 0 | - | 4.60 | 26,061 |
| 500 Biggest US Cities | 0 | - | 4.85 | 83,846 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,351 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,840 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 65,130 |
| Biggest Cities in France - Extreme | 0 | - | 4.85 | 36,039 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 51,088 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 62,047 |
| Biggest Cities in the World - 2100 | 0 | - | 4.28 | 72,413 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.56 | 22,868 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 30,960 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.85 | 54,443 |
| Biggest Cities in Australia on a Map | 0 | - | 4.60 | 29,392 |
