| Biggest English Cities by Century | 0 | - | 4.90 | 99,655 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,983 |
| Biggest Cities in Asia | 0 | - | 4.94 | 96,031 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,525 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,807 |
| Biggest Cities in the World | 0 | - | 4.89 | 688,172 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,478 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,433 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,516 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,686 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,021 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 44,012 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,068 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,746 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,593 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,372 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,476 |
| Biggest Cities in the United States | 0 | - | 4.93 | 823,036 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,385 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,514 |
| Biggest City in Every Country | 0 | - | 4.97 | 79,013 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,141 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,245 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,493 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,061 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,624 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,163 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 514,702 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,377 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,429 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,920 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,809 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,422 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,353 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,576 |
| Biggest Cities in Germany | 0 | - | 4.95 | 263,432 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,108 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,132 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,898 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,689 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,926 |
| Megacities on a World Map | 0 | - | 4.98 | 220,942 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,936 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,532 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,179 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,537 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,285 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,444 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,388 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,041 |
| Biggest Cities in Europe | 0 | - | 4.75 | 465,612 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,652 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,248 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,601 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,818 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,930 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,460 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,868 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,363 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,598 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,622 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,488 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,915 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,436 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,633 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,571 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,052 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,095 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,960 |
| Biggest City by Region | 0 | - | 4.49 | 33,683 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,431 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,050 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,433 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,806 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,380 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,761 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 34,007 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,130 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,054 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,687 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,731 |
| Biggest Cities in France | 0 | - | 4.76 | 199,910 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,751 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,269 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,146 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,595 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,996 |
| Biggest Cities in China | 0 | - | 4.64 | 138,889 |
| Cities of Ireland | 0 | - | 4.43 | 39,772 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,593 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,617 |
| Biggest Cities in India | 0 | - | 4.72 | 62,463 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,447 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,292 |
| Biggest City by Island | 0 | - | 4.57 | 45,790 |
| Biggest Cities in History | 0 | - | 4.50 | 80,334 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,005 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.49 | 40,165 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,629 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,445 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,683 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,716 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,048 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,314 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,955 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,771 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,639 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,992 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,828 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,587 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,234 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,995 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,684 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,037 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 152,621 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,140 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,253 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,266 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,282 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,620 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,898 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,641 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.47 | 29,765 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,032 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,357 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,743 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,888 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,572 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,820 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,780 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,002 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,159 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,312,539 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,864 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,353 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,931 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,327 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 22,322 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,142 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,320 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,334 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 124,004 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 29,360 |
| Biggest Cities in California | 0 | - | 4.35 | 130,532 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,418 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,883 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,703 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,826 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 45,742 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,462 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,406 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,178 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,052 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,847 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,782 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,366 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,059 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,180 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,199 |
| Countries with Megacities | 0 | - | 4.99 | 197,588 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,231 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,157 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,835 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 93,166 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,125 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,644 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 69,994 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,077 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,284 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,581 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,285 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,562 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,187 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,063 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,265 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,555 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 87,265 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,234 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,740 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,437 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,793 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,232 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,848 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,530 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,081 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,556 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 80,957 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 87,053 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 146,336 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,508 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,794 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,759 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,472 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,618 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,341 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,998 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,524 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 30,041 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,395 |
