| Biggest Cities in the World | 0 | - | 4.91 | 798,686 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,919 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,519 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,003 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,312 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,795 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,795 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,502 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,573 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,873 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,537 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,033 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,460 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,618 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,284 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,265 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,127 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,515 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,381 |
| Largest City by Island | 0 | - | 4.87 | 71,854 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,966 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,938 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,492 |
| Megacities on a World Map | 0 | - | 4.98 | 254,483 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,083 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,336 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,914 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,631 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,349 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,571 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,214 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,953 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,057 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,396 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,958 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,342 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,635 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,408 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,985 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,383 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,103 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,902 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,523 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,329 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,777 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,311 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,561 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,085 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,976 |
| Biggest City by Region | 0 | - | 4.50 | 36,214 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,136 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,281 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,276 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,394 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,184 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,349 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,248 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.88 | 80,777 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,783 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,820 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 62,225 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,412 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,751 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,310 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,119 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,254 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,940 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,302 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,074 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,066 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,687 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,426 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,179 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,578 |
| Biggest Cities in History | 0 | - | 4.52 | 90,147 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,398 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,404 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,456 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,045 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,063 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,818 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,548 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,618 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,973 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,057 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,195 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,704 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,546 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,551 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,559 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,436 |
| Countries with Megacities | 0 | - | 4.99 | 263,278 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,270 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,229 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,569 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,268 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,480 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,290 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,068 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,509 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,293 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,246 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,936 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,924 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,652 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,749 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,748 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,568 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,373 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,057 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,134 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,014 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,890 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,713 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,778 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,882 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,389 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,531 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,074 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,644 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,469 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,660 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,980 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.45 | 87,374 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,968 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,829 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,017 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,391 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,899 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,747 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,607 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,855 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,250 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,600 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,431 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,873 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,141 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,303 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,814 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,458 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,097 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,819 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,544 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,987 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,468 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,081 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,180 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,302 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,082 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,405 |
| Biggest Cities in France | 0 | - | 4.70 | 223,956 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,127 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,990 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,891 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,240 |
| Biggest Cities in China | 0 | - | 4.53 | 158,575 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,853 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,211 |
| Biggest Cities in India | 0 | - | 4.64 | 67,738 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,061 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,118 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,340 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,512 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,574 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,699 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,496 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,456 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,681 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,241 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,978 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,268 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,189 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,248 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,534 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,238 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,948 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,114 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,194 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,245 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,827 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,131 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,325 |
| Most Populous Islands | 0 | - | 4.80 | 122,922 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,301 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,531 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,864 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,830 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,315 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,819 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,813 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,422 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,258 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,217 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,932 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,408 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,590 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,324 |
