| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,151 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,432 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,410 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,448 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,651 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,050 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,908 |
| Biggest Cities in the World | 0 | - | 4.89 | 687,960 |
| Biggest Cities in Asia | 0 | - | 4.94 | 96,005 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,507 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,793 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,500 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,982 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,085 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,216 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,456 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,038 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,596 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,667 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,352 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,421 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,799 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,413 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,337 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,559 |
| Biggest Cities in the United States | 0 | - | 4.93 | 822,724 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,333 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 133,865 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 43,999 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 514,587 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,575 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,334 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,460 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,436 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,096 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,110 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,892 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,658 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,910 |
| Megacities on a World Map | 0 | - | 4.98 | 220,911 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,928 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,518 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,516 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,366 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,973 |
| Biggest Cities in Germany | 0 | - | 4.95 | 263,383 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,013 |
| Biggest Cities in Europe | 0 | - | 4.75 | 465,509 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,427 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,160 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,633 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,272 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,409 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,805 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,910 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,140 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,243 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,644 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,597 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,802 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,568 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,860 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,618 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,120 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,906 |
| Cities on Interstate 90 on a Map | 0 | - | 4.41 | 27,742 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,533 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,354 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,586 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,308 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,569 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,089 |
| Biggest City by Region | 0 | - | 4.49 | 33,681 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,423 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,057 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,384 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,744 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,737 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,051 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,329 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,283 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,041 |
| Biggest City by Island | 0 | - | 4.57 | 45,790 |
| Biggest Cities in History | 0 | - | 4.50 | 80,316 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,995 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,954 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,279 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,351 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.49 | 40,159 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,638 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,371 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 34,000 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,348 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,624 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,987 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,571 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,301 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,945 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,756 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,621 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,977 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,815 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,265 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,487 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,649 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,720 |
| Biggest Cities in France | 0 | - | 4.76 | 199,855 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,714 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,245 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,133 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,578 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,657 |
| Biggest Cities in China | 0 | - | 4.64 | 138,835 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,702 |
| Cities of Ireland | 0 | - | 4.43 | 39,765 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,613 |
| Biggest Cities in India | 0 | - | 4.72 | 62,444 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,041 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,412 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,327 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,902 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,230 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,993 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,681 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,036 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,136 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,253 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,892 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,906 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,779 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,993 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,312,318 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,811 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,572 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 152,596 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,627 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,302 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,021 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,456 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,868 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,819 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,825 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,128 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,168 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,047 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,841 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,772 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,356 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,064 |
| Countries with Megacities | 0 | - | 4.99 | 197,494 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,754 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,067 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,560 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,019 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,192 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,044 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,203 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,075 |
| Rivers of the United States | 0 | - | 4.91 | 57,026 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,052 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,187 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,197 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,129 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 90,017 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 69,941 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,568 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,279 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,559 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,183 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,714 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 86,983 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,196 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,476 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 87,182 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,154 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,656 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,405 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,770 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 29,321 |
| Biggest Cities in California | 0 | - | 4.35 | 130,516 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,411 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,877 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,699 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,727 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,443 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,403 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 119,970 |
| Biggest Trading Partners - Colombia | 0 | - | 4.89 | 35,533 |
| Hawaiian Islands | 0 | - | 4.85 | 38,500 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,146 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,818 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,479 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,044 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,514 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,934 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 85,642 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 146,210 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,488 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,780 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,742 |
