| All 1M Cities by Proximity | 0 | - | 5.00 | 549,389 |
| Biggest Cities in the World | 0 | - | 4.91 | 748,414 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,388 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,776 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 188,381 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,798 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 110,175 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 72,955 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 78,800 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 397,631 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,697 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,382 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 65,208 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,996 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,936 |
| Biggest Cities in the United States | 0 | - | 4.94 | 910,887 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,784 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,775 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,701 |
| Largest City by Island | 0 | - | 4.89 | 66,595 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,727 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,318 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,226 |
| Megacities on a World Map | 0 | - | 4.98 | 232,682 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,531 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,689 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 160,344 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 325,729 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,871 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,784 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,238 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,222 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,941 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,990 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,585 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,951 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,876 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,944 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,529 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,188 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,270 |
| Biggest City by Region | 0 | - | 4.49 | 35,016 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,657 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,537 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,632 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 111,163 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,178 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,509 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,955 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,239 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,267 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,396 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,877 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,428 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,686 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,524 |
| Biggest Cities in Europe | 0 | - | 4.74 | 517,783 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,841 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,917 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 51,122 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,014 |
| Biggest Cities in Germany | 0 | - | 4.95 | 279,989 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,448 |
| Biggest Cities in History | 0 | - | 4.50 | 85,343 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,468 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,807 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,815 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,145 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 104,194 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 117,212 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 136,840 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,414 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,925 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 40,016 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,554 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,019 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,003 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.83 | 84,182 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,506 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,786 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,613 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,047 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,019 |
| Countries with Megacities | 0 | - | 4.99 | 218,269 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,883 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,307 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,767 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,311 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,087 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,494 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,162 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,565 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,382,173 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,945 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,283 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,288 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,403 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,563 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,398 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,482 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,414 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 123,022 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,288 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,970 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,278 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,841 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,563 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,956 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 214,097 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,719 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,946 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,547 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 116,018 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,900 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,252 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 55,022 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,154 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,474 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,527 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,155 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,282 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,473 |
| Biggest "Saint" Cities - United States | 0 | - | 4.45 | 35,640 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,842 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,133 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,764 |
| Countries of Europe by Population | 0 | - | 4.98 | 163,714 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,783 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 69,449 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,243 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,728 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,535 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,881 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,454 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,979 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,663 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,654 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,948 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,494 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,732 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,483 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 20,565 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,461 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,126 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,992 |
| Biggest Cities in France | 0 | - | 4.70 | 213,071 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,507 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,709 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,382 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,955 |
| Biggest Cities in China | 0 | - | 4.47 | 149,734 |
| Cities of Ireland | 0 | - | 4.50 | 48,679 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,438 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,645 |
| Biggest Cities in India | 0 | - | 4.71 | 65,416 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,879 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 97,062 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,520 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,926 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.18 | 77,179 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.01 | 59,730 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,866 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,084 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,713 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 214,631 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 130,179 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 72,657 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 80,658 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 64,521 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 70,481 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 92,644 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 159,660 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 163,725 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,580 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,266 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,169 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,004 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,114 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,701 |
| Most Populous Islands | 0 | - | 4.77 | 118,577 |
| Islands by Largest City #1 | 0 | - | 4.47 | 93,575 |
| Islands by Largest City #2 | 0 | - | 4.78 | 34,079 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 220,417 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 173,093 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 170,257 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 98,792 |
| Countries by Population Decrease | 0 | - | 4.46 | 48,487 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 104,888 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 153,679 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.62 | 61,911 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 69,076 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 19,751 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,676 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,040 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 47,234 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 31,198 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,398 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,574 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,625 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,851 |
