| Biggest Cities in the World | 0 | - | 4.91 | 746,964 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 396,593 |
| Biggest Cities in the United States | 0 | - | 4.94 | 909,014 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,371 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,223 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,518 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 187,751 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,563 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 109,887 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 72,798 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 78,631 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,504 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,305 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 65,087 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,937 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,782 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 548,549 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,657 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,518 |
| Largest City by Island | 0 | - | 4.90 | 66,340 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,643 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,144 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,104 |
| Megacities on a World Map | 0 | - | 4.98 | 232,409 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,980 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,373 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,457 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 160,120 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,723 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,656 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,168 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 325,221 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,067 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,821 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,522 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,879 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,580 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,762 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,333 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,351 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,518 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 110,986 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,129 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,074 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,195 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,796 |
| Biggest Cities in Europe | 0 | - | 4.74 | 516,941 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,157 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,237 |
| Biggest City by Region | 0 | - | 4.49 | 34,968 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,618 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,770 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,795 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,155 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,490 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,882 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 50,925 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,933 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,400 |
| Biggest Cities in Germany | 0 | - | 4.95 | 279,599 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.83 | 83,629 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,450 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,488 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,535 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,361 |
| Biggest Cities in History | 0 | - | 4.50 | 85,258 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,434 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,945 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,761 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,008 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,685 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,038 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 104,047 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 117,069 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 136,690 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,288 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,446 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,271 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,887 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,992 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,542 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,988 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,984 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,432 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,886 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,501 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,220 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,380,547 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,582 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,572 |
| Countries with Megacities | 0 | - | 4.99 | 217,690 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,526 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,153 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,512 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,084 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,626 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,166 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,919 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,121 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,126 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,739 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,418 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,827 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,387 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 213,823 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,401 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,309 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,385 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,294 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 122,892 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,073 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,443 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,135 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,116 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,431 |
| Biggest "Saint" Cities - United States | 0 | - | 4.49 | 35,608 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,081 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,717 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,609 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,813 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,238 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,846 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,623 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,079 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,904 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,506 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,565 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,901 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,438 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,830 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,352 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,369 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,012 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,910 |
| Biggest Cities in France | 0 | - | 4.70 | 212,730 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,292 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,630 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,295 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,804 |
| Biggest Cities in China | 0 | - | 4.47 | 149,486 |
| Cities of Ireland | 0 | - | 4.50 | 48,617 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,252 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,600 |
| Biggest Cities in India | 0 | - | 4.71 | 65,345 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,594 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,631 |
| Countries of Europe by Population | 0 | - | 4.98 | 157,307 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,599 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,660 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,365 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,685 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,311 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,852 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,637 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,687 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 20,538 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 96,924 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,385 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,806 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.18 | 76,540 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,782 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,017 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 214,406 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 130,033 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 72,587 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 80,556 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 64,453 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 70,417 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 92,511 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 159,527 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 163,560 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 69,401 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,213 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,655 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,956 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 47,173 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,538 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 77,206 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,157 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,368 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,965 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,055 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,626 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,557 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,563 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,823 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 220,018 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 172,789 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 169,948 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 98,585 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 104,744 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 153,496 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 68,971 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 19,625 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,334 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,527 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 105,940 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 62,112 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 31,168 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,263 |
