| Biggest Cities in Asia | 0 | - | 4.95 | 116,920 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,042 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,735 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,040 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,359 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,548 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,456 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,385 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,491 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,941 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,938 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,675 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,538 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,285 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,511 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,283 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,029 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,069 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,887 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,469 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,934 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,283 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,718 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,772 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,481 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,837 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,339 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,007 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,397 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,597 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,259 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,248 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,236 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,968 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,717 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,755 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,777 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,187 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,497 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,353 |
| Largest City by Island | 0 | - | 4.87 | 71,839 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,944 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,911 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,460 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,055 |
| Megacities on a World Map | 0 | - | 4.98 | 254,428 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,018 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,326 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,891 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,673 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,587 |
| Biggest Cities in China | 0 | - | 4.53 | 158,548 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,315 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,170 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,226 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,379 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,191 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,241 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,896 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,513 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,892 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,468 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,288 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,997 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,294 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,064 |
| Biggest Cities in France | 0 | - | 4.70 | 223,936 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,099 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,219 |
| Biggest Cities in India | 0 | - | 4.64 | 67,734 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,035 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,826 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,740 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,550 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,080 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,970 |
| Biggest City by Region | 0 | - | 4.50 | 36,210 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,132 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,447 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,183 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,346 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,239 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,407 |
| Cities of Ireland | 0 | - | 4.51 | 50,651 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,535 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,560 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,632 |
| Biggest Cities in History | 0 | - | 4.52 | 90,128 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,329 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,468 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,092 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,978 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,813 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 85,864 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,537 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,399 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,953 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,818 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,382 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,973 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,078 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,453 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,377 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,170 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,394 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,984 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,886 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,838 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,207 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,331 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,618 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,391 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,962 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,365 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,085 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,189 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,237 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,116 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,321 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,054 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,743 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,034 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,587 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,060 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,553 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,816 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,548 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,318 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,602 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,366 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,593 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,184 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,041 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,125 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,194 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,070 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,990 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,310 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,225 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,914 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,137 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,813 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,950 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,949 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,400 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,933 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,832 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,177 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,979 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,479 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,922 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,726 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,297 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,102 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,561 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,235 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,649 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,394 |
| Countries with Megacities | 0 | - | 4.99 | 263,102 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,236 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,200 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,526 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,237 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,525 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,014 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,629 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,064 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,221 |
| Biggest Cities in California | 0 | - | 4.35 | 139,852 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,093 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,662 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,395 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,247 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,767 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,322 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,181 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,883 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,687 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,699 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,722 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,589 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,862 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,377 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,516 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,595 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,413 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,864 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,122 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,294 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,883 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,061 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,811 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,867 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,463 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,383 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,105 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,322 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,498 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,566 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,695 |
