| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,331 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,720 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,861 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,961 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,443 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,092 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,742 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,728 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,668 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,203 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,769 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,193 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,289 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,844 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,842 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,719 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,313 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,187 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,971 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,863 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,134 |
| Largest City by Island | 0 | - | 4.87 | 71,161 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,470 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,697 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,484 |
| Megacities on a World Map | 0 | - | 4.98 | 251,411 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,892 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,989 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,034 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,572 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,181 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,680 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,621 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,674 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,400 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,586 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,170 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,735 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,758 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,985 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,434 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,555 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,481 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,825 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,948 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,690 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,625 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,019 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,928 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,760 |
| Biggest City by Region | 0 | - | 4.50 | 36,024 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,931 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,054 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,246 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,962 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,277 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,675 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,703 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,520 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,953 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,651 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,860 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,983 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,210 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,545 |
| Biggest Cities in History | 0 | - | 4.52 | 89,216 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,162 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,229 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,228 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,643 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,986 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,294 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,125 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,623 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,070 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,711 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,022 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,308 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,097 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,161 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,884 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,988 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,688 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,482 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,281 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,315 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,158 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,078 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,053 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,712 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,048 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,697 |
| Countries with Megacities | 0 | - | 4.99 | 247,740 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,545 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,235 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,948 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,175 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,385 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,512 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,663 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,806 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,777 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,884 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,392 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,578 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,567 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,931 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,815 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,698 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,879 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,550 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,223 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,065 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,329 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,067 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,575 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,852 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,440 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,292 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,334 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,796 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,878 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,358 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,738 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,649 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,899 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,196 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,607 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,078 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,804 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,539 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,293 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,536 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,833 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,883 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,619 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,076 |
| Biggest Cities in France | 0 | - | 4.69 | 222,644 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,071 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,708 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,521 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,277 |
| Biggest Cities in China | 0 | - | 4.53 | 157,272 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,960 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,003 |
| Biggest Cities in India | 0 | - | 4.70 | 67,390 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,753 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,831 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,428 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,441 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,688 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,120 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,218 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,528 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,100 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,523 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,717 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,367 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,673 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,963 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,959 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,748 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,340 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,786 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,024 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,391 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,571 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,585 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,119 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,167 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,425 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,248 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,160 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,386 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,648 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,442 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,376 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,730 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,651 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,911 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,343 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,269 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,287 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,216 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,197 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,031 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,100 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,885 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,541 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,239 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,470 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,048 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,456 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,109 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,705 |
| Most Populous Islands | 0 | - | 4.79 | 122,061 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,215 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,427 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,649 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,903 |
