| Biggest Cities in the World | 0 | - | 4.91 | 799,857 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,145 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,825 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,515 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,561 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,353 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,985 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,657 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,222 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,112 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,987 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,183 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,700 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,765 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,749 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,647 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,448 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,857 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,743 |
| Largest City by Island | 0 | - | 4.87 | 71,972 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,074 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,076 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,643 |
| Megacities on a World Map | 0 | - | 4.98 | 254,958 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,794 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,437 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,065 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,915 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,536 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,200 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,399 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,175 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,156 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,545 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,099 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,950 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,574 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,575 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,950 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,531 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,656 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,392 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,020 |
| Biggest City by Region | 0 | - | 4.50 | 36,253 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,170 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,433 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,430 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,578 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,209 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,366 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,323 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,467 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,930 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,247 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,376 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,435 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,294 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,293 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,786 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,246 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,317 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,861 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,735 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,928 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 162,384 |
| Biggest Cities in History | 0 | - | 4.52 | 90,230 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,759 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,446 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,502 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,435 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,447 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,712 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,499 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,069 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,499 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,196 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,069 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,081 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,835 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,563 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,667 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,262 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,149 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,238 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,949 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,596 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,670 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,428 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,600 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,693 |
| Countries with Megacities | 0 | - | 4.99 | 264,048 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,528 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,369 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,799 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,423 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,531 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,328 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,500 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,925 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,661 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,399 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,972 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,937 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,857 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,373 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,168 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,684 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,351 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,698 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,831 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,779 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,709 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,459 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,159 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,215 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,193 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,963 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,811 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,012 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,014 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,482 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,632 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,151 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,714 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,490 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,947 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,001 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,782 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,015 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,867 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,042 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,427 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,956 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,128 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,759 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,882 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,273 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,658 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,567 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,008 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,245 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,416 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,939 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,838 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,573 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,136 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,871 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,580 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,184 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,477 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,140 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,219 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,373 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,164 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,462 |
| Biggest Cities in France | 0 | - | 4.70 | 224,191 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,293 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,037 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,959 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,333 |
| Biggest Cities in China | 0 | - | 4.53 | 158,822 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,948 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,251 |
| Biggest Cities in India | 0 | - | 4.64 | 67,795 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,273 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,199 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,428 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,566 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,620 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,747 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,529 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,501 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,716 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,302 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,103 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,401 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,254 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,827 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,290 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,594 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,328 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,066 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,231 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,248 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,295 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,858 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,177 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,377 |
| Most Populous Islands | 0 | - | 4.80 | 122,977 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,313 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,549 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,088 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,014 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,481 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,131 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,851 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,496 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,386 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,257 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,053 |
