| Biggest Cities in the World | 0 | - | 4.91 | 801,477 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,377 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,189 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,099 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,846 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,282 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,253 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,848 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,977 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,414 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,231 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,345 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,878 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,969 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,251 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,649 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,905 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,707 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,119 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,062 |
| Largest City by Island | 0 | - | 4.87 | 72,104 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,198 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,263 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,826 |
| Megacities on a World Map | 0 | - | 4.98 | 255,494 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,539 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,233 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,328 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,773 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,956 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,599 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,436 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,236 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,777 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,225 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,029 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,658 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,924 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,157 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,778 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,592 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,599 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,784 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,279 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,088 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,531 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,533 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,779 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,576 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,294 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,207 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,234 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,386 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,372 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,470 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,409 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,322 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,637 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,016 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,122 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,654 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,475 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,474 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,488 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,032 |
| Biggest Cities in History | 0 | - | 4.52 | 90,330 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,283 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,496 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,554 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,616 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,270 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,297 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,264 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,685 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,577 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,818 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,618 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,218 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,654 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,340 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,947 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,095 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,098 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,858 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,576 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,740 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,594 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,377 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,040 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,929 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,154 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,021 |
| Countries with Megacities | 0 | - | 4.99 | 264,875 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,857 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,542 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,115 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,618 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,923 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,836 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,509 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,879 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,011 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,546 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,276 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,293 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,951 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,012 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,472 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,246 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,979 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,490 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,741 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,826 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,104 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,988 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,302 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,225 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,605 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,781 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,260 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,802 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,515 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,182 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,032 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,753 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,065 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,901 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,063 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,031 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,666 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,204 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,926 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,636 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,475 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,309 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,224 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,266 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,470 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,270 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,556 |
| Biggest Cities in France | 0 | - | 4.70 | 224,501 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,541 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,103 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,047 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,494 |
| Biggest Cities in China | 0 | - | 4.53 | 159,136 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,122 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,318 |
| Biggest Cities in India | 0 | - | 4.64 | 67,880 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,576 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,391 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,616 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,915 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,913 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,310 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,723 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,780 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,202 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,364 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,528 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,008 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,880 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,319 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,364 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,872 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,502 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,237 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,430 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,288 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,518 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,636 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,696 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,796 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,576 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,539 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,769 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,285 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,547 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,322 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,946 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,356 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,662 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,437 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,244 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,405 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,423 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,301 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,733 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,394 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,601 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,567 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,188 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,633 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,411 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,642 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,212 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,942 |
| Most Populous Islands | 0 | - | 4.80 | 123,080 |
