| Biggest Cities in Asia | 0 | - | 4.95 | 116,916 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,039 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,731 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,033 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,358 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,547 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,443 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,381 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,468 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,937 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,933 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,672 |
| 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 | 224,276 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,505 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,278 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,005 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,061 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,885 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,463 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,923 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,280 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,709 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,769 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,474 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,832 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,321 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,006 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,394 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,592 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,252 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,242 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,232 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,953 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,534 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,750 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,775 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,184 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,497 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,350 |
| Largest City by Island | 0 | - | 4.87 | 71,837 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,939 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,910 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,456 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,054 |
| Megacities on a World Map | 0 | - | 4.98 | 254,422 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,013 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,325 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,889 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,672 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,585 |
| Biggest Cities in China | 0 | - | 4.53 | 158,539 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,312 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,164 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,216 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,373 |
| 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 | 68,893 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,511 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,890 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,467 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,288 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,983 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,292 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,063 |
| Biggest Cities in France | 0 | - | 4.70 | 223,933 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,099 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,218 |
| Biggest Cities in India | 0 | - | 4.64 | 67,733 |
| 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 | 64,738 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,549 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,079 |
| 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 | 57,131 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,443 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,182 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,346 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,237 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,406 |
| Cities of Ireland | 0 | - | 4.51 | 50,650 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,534 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,559 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,631 |
| Biggest Cities in History | 0 | - | 4.52 | 90,125 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,320 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,467 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,090 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,978 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,811 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 85,638 |
| 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 | 36,816 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,378 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,973 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,076 |
| 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 | 32,168 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,393 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,984 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,884 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,835 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,207 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,326 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,618 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,387 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,961 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,362 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,084 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,187 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,234 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,115 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,320 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,042 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,742 |
| 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 | 28,057 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,551 |
| 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 | 20,601 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,365 |
| 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 | 110,038 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,123 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,193 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,067 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,990 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,286 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,218 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,910 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,133 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,812 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,950 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,941 |
| 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 | 162,724 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,295 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,101 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,561 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,233 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,648 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,389 |
| Countries with Megacities | 0 | - | 4.99 | 263,081 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,232 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,199 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,524 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,237 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,510 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,012 |
| 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 | 139,847 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,089 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,660 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,392 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,242 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,767 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,319 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,180 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,882 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,687 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,692 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,719 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,588 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,860 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,376 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,515 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,595 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,409 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,863 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,118 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,294 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,882 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,058 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,811 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,865 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,463 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,381 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,102 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,319 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,495 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,564 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,691 |
