| Biggest Cities in the World | 0 | - | 4.90 | 697,059 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,984 |
| Biggest Cities in the United States | 0 | - | 4.93 | 843,751 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,284 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,394 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,546 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,665 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,438 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,586 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,158 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,751 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,357 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,797 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,464 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,772 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,184 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,774 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,653 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,196 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,822 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,897 |
| Megacities on a World Map | 0 | - | 4.98 | 222,874 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,847 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,517 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,217 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,805 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,564 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,972 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,260 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,130 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,362 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,607 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,422 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,652 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,260 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,221 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,354 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,142 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,906 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,874 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,272 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,518 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,005 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,484 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,237 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,454 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,016 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,372 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,336 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,178 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,915 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,060 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,124 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,258 |
| Biggest City by Region | 0 | - | 4.50 | 33,936 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,791 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,567 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,545 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,939 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,279 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,856 |
| Biggest City by Island | 0 | - | 4.57 | 45,991 |
| Biggest Cities in History | 0 | - | 4.50 | 81,428 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,347 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,412 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,935 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,417 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,421 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,658 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,708 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,593 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,070 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,734 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,203 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,366 |
| Biggest Cities in France | 0 | - | 4.76 | 201,830 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,389 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,864 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,713 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,603 |
| Biggest Cities in China | 0 | - | 4.57 | 140,627 |
| Cities of Ireland | 0 | - | 4.43 | 40,122 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,779 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,930 |
| Biggest Cities in India | 0 | - | 4.71 | 62,979 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,915 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,414 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,972 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,993 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,511 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,134 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,221 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,096 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,300 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,370 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,443 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,104 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,324 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,106 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,360 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,238 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,836 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,108 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,651 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,926 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,685 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 65,957 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,222 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,479 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,919 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,841 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,322,739 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,162 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,015 |
| Countries with Megacities | 0 | - | 4.99 | 200,371 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,879 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,229 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,372 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,219 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,248 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,929 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,195 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,552 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,862 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,682 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,261 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,167 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,438 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,606 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,771 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,022 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,917 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,649 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,679 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,446 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,836 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,269 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,709 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,993 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,185 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,039 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,985 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,669 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,070 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,607 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,285 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,269 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,444 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,884 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,182 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 56,678 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,008 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,602 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,792 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,486 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,861 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,876 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 83,136 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 88,937 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 70,748 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,287 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,886 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,229 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,929 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,022 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,129 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,766 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,917 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,493 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,123 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,829 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,994 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,626 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,031 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,344 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,866 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,433 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,122 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,687 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,045 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,384 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,761 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 145,127 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,454 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,309 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,287 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,613 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,974 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,356 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,444 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,282 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,055 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,227 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 7,383 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,730 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,676 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 93,915 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.39 | 30,241 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,588 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,848 |
