| Biggest Cities in the World | 0 | - | 4.91 | 807,704 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,183 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,337 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,038 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,069 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,792 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,890 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,034 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,460 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,478 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,650 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,170 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,775 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,920 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,368 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,628 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,892 |
| Biggest Cities in the United States | 0 | - | 4.94 | 990,071 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,712 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,751 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,699 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,870 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,954 |
| Largest City by Island | 0 | - | 4.87 | 72,631 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,539 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,949 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,314 |
| Megacities on a World Map | 0 | - | 4.98 | 257,715 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,895 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,899 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,705 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,957 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,945 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,426 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,476 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,514 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,436 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,676 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,730 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,396 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,057 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,311 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,260 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,259 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 138,019 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,650 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,102 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,683 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,827 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,551 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,113 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,706 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,919 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,937 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,984 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,995 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,740 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,768 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,982 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,257 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,291 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,195 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,651 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,943 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,661 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,832 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,826 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,774 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,857 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,539 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,531 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,132 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,096 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,277 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,715 |
| Countries with Megacities | 0 | - | 4.99 | 268,284 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,343 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,438 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,688 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,557 |
| Biggest Cities in Europe | 0 | - | 4.70 | 550,071 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,251 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,699 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,134 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,195 |
| Biggest City by Region | 0 | - | 4.50 | 36,433 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,396 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,338 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,472 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,645 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,618 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,647 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,530 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,892 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,656 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,760 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,909 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,285 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,448 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,008 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,670 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,944 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,967 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,129 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,302 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,782 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,134 |
| Biggest Cities in History | 0 | - | 4.52 | 90,751 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,279 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,262 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,665 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,647 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,866 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,569 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,745 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,828 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,760 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,345 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,324 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,152 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,772 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,533 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,954 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,144 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,087 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,656 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,339 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,600 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,967 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,932 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,913 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,500 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,076 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,597 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,446 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,172 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,019 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,209 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,912 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,782 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,257 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,217 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,052 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,591 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,160 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,629 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,554 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,940 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 85,021 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,118 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,664 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,223 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,044 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,996 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,578 |
| Flags to Largest Cities | 0 | - | 4.54 | 52,060 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,263 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 224,521 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,435 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 195,039 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,544 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,390 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,080 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,430 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,964 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,907 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,903 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,042 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,691 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,455 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,136 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,800 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,559 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,629 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,134 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,155 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,958 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,782 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,481 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,139 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,638 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,873 |
| Biggest Cities in France | 0 | - | 4.72 | 225,761 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,462 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,386 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,540 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,387 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,669 |
| Biggest Cities in the UK | 0 | - | 4.48 | 106,030 |
| Biggest Cities in China | 0 | - | 4.53 | 160,322 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,741 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,534 |
| Biggest Cities in India | 0 | - | 4.64 | 68,152 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,873 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,011 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 164,030 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,947 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,634 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,547 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 129,009 |
