| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,610 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,327 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,099 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,551 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,609 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,544 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,699 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,018 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,453 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,244 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,652 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,815 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,068 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,904 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,275 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,235 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,775 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,403 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,223 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,207 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,145 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,871 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,970 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,272 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,938 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,868 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,170 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,025 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,928 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,640 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,446 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,244 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,806 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,354 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,887 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,983 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,335 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,268 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,791 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,938 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,135 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,085 |
| Largest City by Island | 0 | - | 4.87 | 72,112 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,215 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,271 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,832 |
| Megacities on a World Map | 0 | - | 4.98 | 255,531 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,800 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,769 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,544 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,252 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,358 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,783 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,416 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,331 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,036 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,163 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,657 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,614 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,469 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,682 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,796 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,135 |
| US States Quiz | 0 | - | 5.00 | 16,927,031 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,838 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,648 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,289 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,306 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,294 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,693 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,040 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,667 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,519 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,416 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,836 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,605 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,382 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,079 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,262 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,555 |
| US States with an Empty Map | 0 | - | 5.00 | 626,266 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,787 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,059 |
| Biggest City by Region | 0 | - | 4.50 | 36,297 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,237 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,387 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,325 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,373 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,375 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,474 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,451 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,889 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,582 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,813 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,517 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,677 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,033 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,035 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,104 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,834 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,308 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,147 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,969 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,703 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,562 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,368 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,010 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,389 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,036 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,096 |
| Biggest Cities in History | 0 | - | 4.52 | 90,335 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,329 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,501 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,481 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,556 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,515 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,584 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,823 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,621 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,226 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,664 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,343 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,258 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,321 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,228 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,475 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,276 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,562 |
| Biggest Cities in France | 0 | - | 4.70 | 224,528 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,557 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,111 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,058 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,504 |
| Biggest Cities in China | 0 | - | 4.53 | 159,155 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,320 |
| Biggest Cities in India | 0 | - | 4.64 | 67,886 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,592 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,546,131 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,934 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,487 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,504 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,085 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,927 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,096 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,635 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,893 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,860 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,577 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,742 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,876 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,550 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,647 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,245 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,433 |
| Cities of Ireland | 0 | - | 4.51 | 50,746 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,214 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,282 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,299 |
| Biggest Cities in California | 0 | - | 4.35 | 140,091 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,230 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,776 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,445 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,313 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,723 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,859 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,461 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,220 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,489 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,705 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,421 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,086 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,192 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,059 |
| Countries with Megacities | 0 | - | 4.99 | 264,950 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,885 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,566 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,149 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,639 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,017 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,606 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,990 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,012 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,867 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,062 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,952 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,020 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,478 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,251 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,985 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,494 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,016 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,751 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,252 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,088 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,335 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,742 |
