| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,742 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,036 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,288 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,113 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,817 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,850 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,212 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,685 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,181 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,748 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,156 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,608 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,840 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,720 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,279 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,011 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,591 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,383 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,183 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,449 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,907 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,363 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,489 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,832 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,054 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,276 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,971 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,162 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,453 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,650 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,386 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,144 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,460 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,423 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,522 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,051 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,106 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,313 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,050 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,200 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,882 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,547 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,489 |
| Largest City by Island | 0 | - | 4.87 | 71,423 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,611 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,986 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,982 |
| Megacities on a World Map | 0 | - | 4.98 | 252,392 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,811 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,575 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,042 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,398 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,680 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,471 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,770 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,153 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,806 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,224 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,378 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,433 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,768 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,882 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,482 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,452 |
| US States Quiz | 0 | - | 5.00 | 16,783,176 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,589 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,147 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,732 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,055 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,865 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,345 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,708 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,291 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,408 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,034 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,311 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,263 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,172 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,335 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,063 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,253 |
| US States with an Empty Map | 0 | - | 5.00 | 621,486 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,227 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,995 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,850 |
| Biggest City by Region | 0 | - | 4.50 | 36,073 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,007 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,108 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,288 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,047 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,060 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,084 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,323 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,373 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,108 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,541 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,421 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,400 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,224 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,912 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,731 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,998 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,112 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,054 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,980 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,115 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,999 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,816 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,232 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,095 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,539 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,701 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,829 |
| Biggest Cities in History | 0 | - | 4.52 | 89,591 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,221 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,289 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,311 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,283 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,317 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,200 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,870 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,263 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,948 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,269 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,825 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,327 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,877 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,684 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,936 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,056 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,775 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,197 |
| Biggest Cities in France | 0 | - | 4.70 | 223,120 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,472 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,799 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,659 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,673 |
| Biggest Cities in China | 0 | - | 4.52 | 157,792 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,083 |
| Biggest Cities in India | 0 | - | 4.70 | 67,523 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,294 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,658 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,309 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,566 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,014 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,515 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,946 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,512 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,009 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,075 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,723 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,513 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,412 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,773 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,085 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,512 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,690 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,917 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,126 |
| Cities of Ireland | 0 | - | 4.51 | 50,488 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,144 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,606 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,783 |
| Biggest Cities in California | 0 | - | 4.35 | 139,541 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,939 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,518 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,288 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,177 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,659 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,096 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,119 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,312 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,885 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,166 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,901 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,342 |
| Countries with Megacities | 0 | - | 4.99 | 249,069 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,194 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,578 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,531 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,546 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,050 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,935 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,903 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,826 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,790 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,466 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,894 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,881 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,222 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,996 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,836 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,112 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,802 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,426 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,841 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,950 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,672,368 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,744 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,509 |
