| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,286 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,945 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,045 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,757 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,595 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,495 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,596 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,099 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,547 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,469 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,008 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,608 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,648 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,401 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,478 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 64,996 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,125 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,691 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,704 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,324 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,309 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,316 |
| Largest City by Island | 0 | - | 4.87 | 72,223 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,424 |
| Megacities on a World Map | 0 | - | 4.98 | 256,010 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,961 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,561 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,628 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,401 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,629 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,293 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,407 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,602 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,174 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,650 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,302 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,936 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,335 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,885 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,391 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,567 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,787 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,191 |
| Biggest Cities in History | 0 | - | 4.52 | 90,427 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,644 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,205 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,864 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,208 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,366 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,030 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,602 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,592 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,782 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,756 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,811 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,235 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,785 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,689 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,968 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,919 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,599 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,090 |
| Biggest City by Region | 0 | - | 4.50 | 36,323 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,247 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,920 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,267 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,408 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,441 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,505 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,541 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,699 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,051 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,759 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,358 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,979 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,470 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,539 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,563 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,724 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,952 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,752 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,346 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,805 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,466 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,665 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,417 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,424 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,281 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,543 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,665 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,700 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,009 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,009 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,121 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,902 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,114 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,064 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,881 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,592 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,977 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,793 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,895 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,658 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,670 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,378 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,373 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,713 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,850 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,617 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,377 |
| Countries with Megacities | 0 | - | 4.99 | 265,715 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,171 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,721 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,437 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,802 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,015 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,035 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,881 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,971 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,467 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,604 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,346 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,117 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,605 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,326 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,782 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,900 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,539 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,332 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,252 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,050 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,971 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,408 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,674 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,097 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,948 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,082 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,481 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,948 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,304 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,561 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,350 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,649 |
| Biggest Cities in France | 0 | - | 4.70 | 224,818 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,768 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,168 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,153 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,622 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,097 |
| Biggest Cities in China | 0 | - | 4.53 | 159,454 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,266 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,380 |
| Biggest Cities in India | 0 | - | 4.64 | 67,941 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,888 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,460 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,189 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,243 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,098 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,565 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,396 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,703 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,938 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,376 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,914 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,374 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,436 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,314 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,487 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,380 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,609 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,710 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,761 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,841 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,613 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,593 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,817 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,191 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,102 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,795 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,983 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,377 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,511 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,654 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,065 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,657 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,469 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,541 |
| Cities of Ireland | 0 | - | 4.51 | 50,800 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,234 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,359 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,176 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,489 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,674 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,384 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,055 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,407 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,720 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,568 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,400 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,611 |
