| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,218 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,339 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,351 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,739 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,747 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,353 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,179 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,230 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,659 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,244 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,887 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,016 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,926 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,894 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,024 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,629 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,528 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,223 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,705 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,433 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,239 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,806 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,023 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,858 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,410 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,868 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,255 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,640 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,746 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,453 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,799 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,031 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,988 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,326 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,577 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,211 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,209 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,863 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,171 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,463 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,314 |
| Largest City by Island | 0 | - | 4.87 | 71,822 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,907 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,885 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,414 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,083 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,047 |
| Megacities on a World Map | 0 | - | 4.98 | 254,355 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,971 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,314 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,877 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,550 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,336 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,191 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,285 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,065 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,112 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,145 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,397 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,345 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,186 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,313 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,540 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,234 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,888 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,504 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,957 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,949 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,812 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,375 |
| Biggest Cities in California | 0 | - | 4.35 | 139,831 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,083 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,648 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,389 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,240 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,761 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,310 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,179 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,807 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,532 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,460 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,287 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,964 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,069 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,886 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,160 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,102 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,728 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,529 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,076 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,963 |
| Biggest City by Region | 0 | - | 4.50 | 36,202 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,126 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,307 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,430 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,176 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,345 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,233 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,591 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,403 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,539 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,624 |
| Biggest Cities in History | 0 | - | 4.52 | 90,110 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,222 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,462 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,977 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,394 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,882 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,445 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,283 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,049 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,381 |
| Biggest Cities in France | 0 | - | 4.70 | 223,903 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,069 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,973 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,872 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,198 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,884 |
| Biggest Cities in China | 0 | - | 4.53 | 158,491 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,821 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,200 |
| Biggest Cities in India | 0 | - | 4.63 | 67,727 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,007 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,276 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,155 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,737 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,876 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,622 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,922 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,973 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,575 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,175 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,412 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,884 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,017 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,307 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,602 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,373 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,938 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,341 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,064 |
| Hawaiian Islands | 0 | - | 4.83 | 42,694 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,822 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,635 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,625 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,020 |
| US States and State Capitals | 0 | - | 4.99 | 162,110 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,933 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,733 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,032 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,587 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,054 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,538 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,808 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,547 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,594 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,353 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,376 |
| Cities of Ireland | 0 | - | 4.51 | 50,649 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,183 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,012 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,111 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,968 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,940 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,054 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,172 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,892 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,094 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,807 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,948 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,929 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,827 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,172 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,976 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,920 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,890 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,705 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,288 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,096 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,537 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,210 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,313 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,641 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,353 |
| Countries with Megacities | 0 | - | 4.99 | 262,917 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,190 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,171 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,492 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,213 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,371 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,004 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,062 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,206 |
| Which City in Canada? | 0 | - | 4.83 | 57,061 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,116 |
| U.S. State Flags | 0 | - | 4.89 | 170,270 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,307 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,867 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,675 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,648 |
