| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,031 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,035 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,083 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,329 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,755 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,735 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,928 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,570 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,860 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,126 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,789 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,642 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,149 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,475 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,064 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,197 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,551 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,326 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,592 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,748 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,625 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,764 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,857 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,436 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,470 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,521 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,727 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,758 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,160 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,445 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,423 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,264 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,096 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,127 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,223 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,282 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,643 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,601 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,100 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,366 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,129 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,144 |
| Largest City by Island | 0 | - | 4.87 | 71,743 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,833 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,761 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,310 |
| Megacities on a World Map | 0 | - | 4.98 | 253,689 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,370 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,262 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,784 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,346 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,165 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,752 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,987 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,999 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,787 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,395 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,586 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,979 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,583 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,964 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,203 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,970 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,501 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,514 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,153 |
| Countries with Megacities | 0 | - | 4.99 | 261,672 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,023 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,064 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,303 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,099 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,829 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,451 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,262 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,905 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,039 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,338 |
| Biggest Cities in France | 0 | - | 4.70 | 223,713 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,965 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,927 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,822 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,180 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,864 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,962 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,892 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,196 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,701 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,456 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,060 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,567 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,938 |
| Biggest City by Region | 0 | - | 4.50 | 36,138 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,063 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,163 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,334 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,198 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,385 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,593 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,522 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,742 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,312 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,429 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,457 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,873 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,930 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,788 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,350 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,846 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,493 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,445 |
| Biggest Cities in History | 0 | - | 4.52 | 90,048 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,700 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,372 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,415 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,963 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,164 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,492 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,256 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,571 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,174 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,931 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,455 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,813 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,231 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,532 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,296 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,774 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,035 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,207 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,014 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,042 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,765 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,542 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,385 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,040 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,772 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,494 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,557 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,227 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,982 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,123 |
| Biggest Cities in China | 0 | - | 4.52 | 158,355 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,731 |
| Biggest Cities in India | 0 | - | 4.64 | 67,693 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,820 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,155 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,119 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,601 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,192 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,473 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,128 |
| Europe Capital to Country | 0 | - | 4.99 | 249,740 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,696 |
| European Capitals by Map | 0 | - | 4.99 | 138,790 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,951 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,296 |
| European Coastal Capitals | 0 | - | 4.95 | 90,449 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,702 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,838 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,977 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,143 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,189 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,805 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,045 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,274 |
| Most Populous Islands | 0 | - | 4.80 | 122,836 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,287 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,513 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,636 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,124 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,699 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,778 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,374 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,112 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,160 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,794 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,337 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,685 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,425 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,269 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,882 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,292 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,572 |
| Cities of Ireland | 0 | - | 4.51 | 50,592 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,179 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,158 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,915 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,045 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,831 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,559 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,191 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,005 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,418 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,105 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,626 |
| Official Cities in the UK | 0 | - | 4.89 | 283,267 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,941 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,075 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,111 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,214 |
