| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,209 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,947 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,871 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,085 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,481 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,241 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,435 |
| Biggest Cities in the World | 0 | - | 4.89 | 685,264 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,500 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,348 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,699 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,678 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,344 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,587 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,532 |
| Biggest Cities in the United States | 0 | - | 4.92 | 814,284 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,203 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,213 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,586 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,287 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,830 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 95,889 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,717 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,187 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,046 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,286 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,915 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,573 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,299 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 55,054 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,875 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,661 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,729 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,249 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,588 |
| Megacities on a World Map | 0 | - | 4.98 | 220,431 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,869 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,688 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,772 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,270 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,095 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,949 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,630 |
| Biggest Cities in Europe | 0 | - | 4.75 | 463,320 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,848 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,578 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,389 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,527 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,284 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,671 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,784 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,193 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,775 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,856 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,280 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,936 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,143 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,694 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,507 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,772 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,480 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,505 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,753 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 90,853 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,261 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,495 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,027 |
| Biggest City by Region | 0 | - | 4.49 | 33,596 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,315 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,331 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,439 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,973 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,689 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,260 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,108 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,528 |
| Biggest City by Island | 0 | - | 4.57 | 45,734 |
| Biggest Cities in History | 0 | - | 4.50 | 80,078 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,903 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,876 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,799 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,136 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,083 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,531 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,864 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,511 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,032 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,740 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,482 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,307 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,602 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,514 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,952 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,537 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,131 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,950 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,014 |
| Biggest City by Region #2 | 0 | - | 4.45 | 23,094 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,219 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,197 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,831 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,916 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,237 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,327 |
| Biggest Cities in France | 0 | - | 4.76 | 199,043 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,224 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,071 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,993 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,268 |
| Biggest Cities in China | 0 | - | 4.64 | 138,160 |
| Cities of Ireland | 0 | - | 4.43 | 39,676 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,504 |
| Biggest Cities in India | 0 | - | 4.72 | 62,288 |
| Biggest Cities in Italy | 0 | - | 4.65 | 216,767 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,235 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,441 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,451 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,314 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,277 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,530 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,840 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,082 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,845 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,418 |
| Countries with Megacities | 0 | - | 4.99 | 196,559 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,980 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,618 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,900 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,568 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,209 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 98,997 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,639 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,253 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,530 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 80,930 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,829 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,678 |
| Saint Lucia Country Quiz | 0 | - | 4.70 | 16,258 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,745 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,802 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,566 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,816 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,893 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,676 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,483 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,080 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,416 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,178 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,623 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,766 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,903 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 273,073 |
| US States with an Empty Map | 0 | - | 5.00 | 552,720 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,835 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,943 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,664 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,809 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,827 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,514 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,383 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,929 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,594 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,541 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,155 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,098 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,166 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,011 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,841 |
| Rivers of the United States | 0 | - | 4.91 | 56,765 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,019 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,537 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,321 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,071 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,230 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 68,743 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,234 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 28,357 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,332 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 83,207 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 69,639 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,959 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,584 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,958 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,724 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,956 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,393 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,881 |
| Biggest Cities in California | 0 | - | 4.35 | 130,281 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,291 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,769 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,628 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,646 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,242 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,341 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,945 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,414 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,516 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,020 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,585 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,849 |
