| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,554 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,936 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,137 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,726 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,566 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,224 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,125 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,345 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,380 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,774 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,817 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,144 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,388 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,275 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,446 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,710 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,008 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,934 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,096 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,418 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,497 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,032 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,077 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,261 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,708 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,795 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,777 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,429 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,014 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,248 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,068 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,829 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,480 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,394 |
| Largest City by Island | 0 | - | 4.87 | 71,396 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,589 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,953 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,955 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,794 |
| Megacities on a World Map | 0 | - | 4.98 | 252,311 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,110 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,025 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,356 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,189 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,599 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,300 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,730 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,410 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,646 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,347 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,083 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,711 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,045 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,802 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,326 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,039 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,053 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,116 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,392 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,950 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,693 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,277 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,053 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,977 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,300 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,255 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,157 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,307 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,425 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,902 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,580 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,205 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,989 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,837 |
| Biggest City by Region | 0 | - | 4.50 | 36,067 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,997 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,209 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,102 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,285 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,073 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,320 |
| Biggest Cities in California | 0 | - | 4.35 | 139,514 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,934 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,505 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,283 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,173 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,655 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,085 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,119 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,790 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,403 |
| Biggest Cities in History | 0 | - | 4.52 | 89,373 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,215 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,397 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,895 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,907 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,640 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,579 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,376 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,278 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,833 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,717 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,271 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,663 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,926 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,310 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,044 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,757 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,183 |
| Biggest Cities in France | 0 | - | 4.70 | 223,078 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,438 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,793 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,645 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,477 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,721 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,059 |
| Biggest Cities in China | 0 | - | 4.52 | 157,731 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,066 |
| Biggest Cities in India | 0 | - | 4.70 | 67,510 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,236 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,844 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,244 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,926 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,249 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,792 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,303 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,770 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,594 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,763 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,502 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,940 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,506 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,002 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,055 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,717 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,511 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,146 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,402 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,065 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,505 |
| Cities of Ireland | 0 | - | 4.51 | 50,486 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,139 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,588 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,765 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,186 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,074 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,637 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,795 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,523 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,853 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,947 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,489 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,120 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,345 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,828 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,930 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,271 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,819 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,819 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,276 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,523 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,663 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,900 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,831 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,822 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,784 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,885 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,878 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,201 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,979 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,823 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,092 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,779 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,020 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,256 |
| Countries with Megacities | 0 | - | 4.99 | 248,894 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,109 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,534 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,465 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,485 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,971 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,940 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,995 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,970 |
| Which City in Canada? | 0 | - | 4.82 | 56,849 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,783 |
| U.S. State Flags | 0 | - | 4.89 | 168,784 |
| Hawaiian Islands | 0 | - | 4.83 | 42,562 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,628 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,205 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,415 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,267 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,264 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,881 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,775 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,315 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,075 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,077 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,330 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,841 |
