| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,079 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,202 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,263 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,633 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,571 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,975 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,138 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,183 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,561 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,159 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,713 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,921 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,844 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,739 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,964 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,429 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,493 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,011 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,577 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,661 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,050 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,285 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,666 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,605 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,081 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,386 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,020 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,112 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,511 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,282 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,578 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,743 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,839 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,011 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,443 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,954 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,110 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,270 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,088 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,112 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,116 |
| Largest City by Island | 0 | - | 4.87 | 71,729 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,827 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,745 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,298 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,040 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,986 |
| Megacities on a World Map | 0 | - | 4.98 | 253,632 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,756 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,248 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,769 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,318 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,092 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,154 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,138 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,043 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,956 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,672 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,377 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,176 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,156 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,269 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,511 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,188 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,821 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,441 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,858 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,920 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,783 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,348 |
| Biggest Cities in California | 0 | - | 4.35 | 139,741 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,047 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,606 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,364 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,223 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,727 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,245 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,162 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,765 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,492 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,412 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,256 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,897 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,037 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,113 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,128 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,039 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,695 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,437 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,055 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,933 |
| Biggest City by Region | 0 | - | 4.50 | 36,135 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,062 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,263 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,376 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,160 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,334 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,189 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,570 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,379 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,434 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,575 |
| Biggest Cities in History | 0 | - | 4.52 | 90,041 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,597 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,455 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,959 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,369 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,475 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,411 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,224 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,972 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,330 |
| Biggest Cities in France | 0 | - | 4.70 | 223,685 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,942 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,918 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,818 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,109 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,844 |
| Biggest Cities in China | 0 | - | 4.52 | 158,315 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,720 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,179 |
| Biggest Cities in India | 0 | - | 4.64 | 67,687 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,840 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,252 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,140 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,703 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,860 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,601 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,897 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,964 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,552 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,165 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,399 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,871 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 26,996 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,155 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,486 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,243 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,561 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,165 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,920 |
| Hawaiian Islands | 0 | - | 4.83 | 42,663 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,804 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,622 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,615 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,918 |
| US States and State Capitals | 0 | - | 4.99 | 161,541 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,278 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,674 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,011 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,562 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,041 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,410 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,763 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,542 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,550 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,285 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,360 |
| Cities of Ireland | 0 | - | 4.51 | 50,583 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,179 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,923 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,035 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,806 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,893 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,792 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,855 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,730 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,968 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,777 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,932 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,881 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,821 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,145 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,957 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,913 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,874 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,546 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,183 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,000 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,404 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,096 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,758 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,605 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,126 |
| Countries with Megacities | 0 | - | 4.99 | 261,372 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,985 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,051 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,265 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,076 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 57,140 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,994 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,047 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,154 |
| Which City in Canada? | 0 | - | 4.82 | 56,971 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,031 |
| U.S. State Flags | 0 | - | 4.89 | 169,931 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,282 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,773 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,583 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,318 |
