| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,278 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,818 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,144 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,071 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,031 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,103 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,010 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,416 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,834 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,753 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,383 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,648 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,223 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,884 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,978 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,597 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,139 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,390 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,965 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,855 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,549 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,954 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,759 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,075 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,550 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,666 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,392 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,340 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,325 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,459 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,317 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,612 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,830 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,902 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,269 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,572 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,435 |
| Largest City by Island | 0 | - | 4.87 | 71,889 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,015 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,981 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,549 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,106 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,146 |
| Megacities on a World Map | 0 | - | 4.98 | 254,630 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,832 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,559 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,362 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,963 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,747 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,720 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,196 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,538 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,413 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,271 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,465 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,437 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,050 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,196 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,085 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,208 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,777 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,566 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,205 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,258 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,341 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,575 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,313 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,918 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,541 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,112 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,417 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,500 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,303 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,241 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,147 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,757 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,589 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,091 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,994 |
| Biggest City by Region | 0 | - | 4.50 | 36,229 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,145 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,514 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,191 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,355 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,271 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,418 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,069 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,585 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,609 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,667 |
| Biggest Cities in History | 0 | - | 4.52 | 90,168 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,547 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,473 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,991 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 88,620 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,415 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,981 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,839 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,405 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,006 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,097 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,180 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,471 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,401 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,324 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,117 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,433 |
| Biggest Cities in France | 0 | - | 4.70 | 224,034 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,183 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,004 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,913 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,270 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,920 |
| Biggest Cities in China | 0 | - | 4.53 | 158,640 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,223 |
| Biggest Cities in India | 0 | - | 4.64 | 67,761 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,126 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,372 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,667 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,450 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,017 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,419 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,136 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,982 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,845 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,642 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,426 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,776 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,056 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,593 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,066 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,620 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,825 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,555 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,333 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,630 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,401 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,600 |
| Cities of Ireland | 0 | - | 4.51 | 50,664 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,189 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,092 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,156 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,216 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,084 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,087 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,962 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,406 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,086 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,207 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.80 | 72,774 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,959 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,950 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,839 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,991 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,932 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,787 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,336 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,138 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,611 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,289 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,688 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,672 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,506 |
| Countries with Megacities | 0 | - | 4.99 | 263,537 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,356 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,273 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,637 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,311 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,762 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,027 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,657 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,264 |
| Biggest Cities in California | 0 | - | 4.35 | 139,902 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,122 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,688 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,411 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,263 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,655 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,782 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,355 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,197 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,053 |
| Which City in Canada? | 0 | - | 4.83 | 57,082 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,187 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,374 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,120 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,136 |
| U.S. State Flags | 0 | - | 4.89 | 170,559 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,489 |
| Hawaiian Islands | 0 | - | 4.83 | 42,719 |
| Rivers of the United States | 0 | - | 4.93 | 66,212 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,322 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,904 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,731 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,871 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,838 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,649 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,928 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,406 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,557 |
