| Biggest Cities in the World | 0 | - | 4.91 | 798,379 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,874 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,451 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,898 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,272 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,677 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,759 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,461 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,477 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,819 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,253 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,998 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,361 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,588 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,237 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,913 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,045 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,916 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,483 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,331 |
| Largest City by Island | 0 | - | 4.87 | 71,831 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,929 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,904 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,442 |
| Megacities on a World Map | 0 | - | 4.98 | 254,403 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,323 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,883 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,571 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,296 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,411 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,136 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,903 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,031 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,369 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,931 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,892 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,505 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,262 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,724 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,262 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,231 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,225 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,352 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,358 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,747 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,763 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,178 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,542 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,077 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,967 |
| Biggest City by Region | 0 | - | 4.50 | 36,208 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,129 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,180 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,346 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,235 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,406 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,193 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,053 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,997 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,668 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,364 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,979 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,898 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,114 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,550 |
| Biggest Cities in History | 0 | - | 4.52 | 90,120 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,287 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,395 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,451 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,914 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,029 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,188 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,659 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,531 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,320 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,614 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,382 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,953 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,357 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,077 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,995 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,033 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,056 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,815 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,547 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,598 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,544 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,465 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,288 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,940 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,182 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,202 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,381 |
| Countries with Megacities | 0 | - | 4.99 | 263,017 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,211 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,189 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,509 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,228 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,737 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,732 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,238 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,545 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,932 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,361 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,022 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,118 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,922 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,717 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,293 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,100 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,549 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,223 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,879 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,680 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,702 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,854 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,370 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,507 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,053 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,629 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,466 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,465 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,977 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,973 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,950 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,813 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,007 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,375 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,890 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,437 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,086 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,809 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,535 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,398 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,972 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,074 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,164 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,290 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,059 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,385 |
| Biggest Cities in France | 0 | - | 4.70 | 223,923 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,089 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,981 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,880 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,216 |
| Biggest Cities in China | 0 | - | 4.53 | 158,520 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,827 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,206 |
| Biggest Cities in India | 0 | - | 4.64 | 67,729 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,021 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,214 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,672 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,573 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,845 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,246 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,592 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,401 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,852 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,111 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,288 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,880 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,809 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,183 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,231 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,823 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,463 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,111 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,316 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,096 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,313 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,492 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,559 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,687 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,488 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,442 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,669 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,932 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,239 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,178 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,722 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,238 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,526 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,211 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,920 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,085 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,811 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,786 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,275 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,791 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,415 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,229 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,903 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,587 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,314 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,593 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,184 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,713 |
| Most Populous Islands | 0 | - | 4.80 | 122,900 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,296 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,529 |
