| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,635 |
| Biggest Cities in the World | 0 | - | 4.89 | 685,922 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,751 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,373 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,810 |
| Biggest Cities in the United States | 0 | - | 4.92 | 814,969 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,497 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,278 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,660 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,467 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,932 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,020 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,803 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,008 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,314 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,156 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,108 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,313 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,702 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,335 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,626 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,332 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,110 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,226 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,933 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,772 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,778 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,341 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,687 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,568 |
| Megacities on a World Map | 0 | - | 4.98 | 220,550 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,892 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,771 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,877 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,805 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,334 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,399 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,864 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,280 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,184 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,072 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,739 |
| Biggest Cities in Europe | 0 | - | 4.76 | 463,800 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,885 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,995 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,640 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,461 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,712 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,969 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,211 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,914 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,702 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,816 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,167 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,528 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,724 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,531 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,806 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,313 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,516 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,047 |
| Biggest City by Region | 0 | - | 4.49 | 33,617 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,344 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,350 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,513 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,997 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,145 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,580 |
| Biggest City by Island | 0 | - | 4.57 | 45,751 |
| Biggest Cities in History | 0 | - | 4.50 | 80,140 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,927 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,893 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,876 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,891 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,103 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,296 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,955 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,552 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,898 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,094 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,790 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,548 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,372 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,683 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,596 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,526 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,764 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,977 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,275 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,351 |
| Biggest Cities in France | 0 | - | 4.76 | 199,176 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,338 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,124 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,020 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,341 |
| Biggest Cities in China | 0 | - | 4.64 | 138,249 |
| Cities of Ireland | 0 | - | 4.43 | 39,693 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,320 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,530 |
| Biggest Cities in India | 0 | - | 4.72 | 62,332 |
| Biggest Cities in Italy | 0 | - | 4.65 | 216,902 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,035 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,618 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,161 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,964 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,021 |
| Biggest City by Region #2 | 0 | - | 4.45 | 23,101 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,229 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,215 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,846 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,055 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,647 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,355 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,265 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,471 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,456 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,696 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,871 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,685 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,332 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,360 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,552 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,890 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,748 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,706 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,819 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,016 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,575 |
| Countries with Megacities | 0 | - | 4.99 | 196,768 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,162 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,726 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,055 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,686 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,420 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,604 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,172 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,004 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,564 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,028 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,425 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,217 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,670 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,529 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,773 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,805 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,916 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,899 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,927 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,707 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,548 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,146 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,891 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,999 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,797 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,889 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,876 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,045 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,429 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,962 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,163 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,106 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,190 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,244 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,539 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,681 |
| Saint Lucia Country Quiz | 0 | - | 4.70 | 16,267 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 83,240 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 69,669 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,990 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,616 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,975 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,741 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,974 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,411 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,044 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,896 |
| Biggest Cities in California | 0 | - | 4.35 | 130,339 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,306 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,791 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,640 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,666 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,285 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,355 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,175 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,571 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,402 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,129 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,310 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,336 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,852 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 28,394 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,345 |
| Cities on Interstate 90 on a Map | 0 | - | 4.40 | 25,219 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,020 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,033 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,476 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,543 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,062 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,615 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,877 |
