| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,738 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,033 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,287 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,106 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,813 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,848 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,183 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,666 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,175 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,747 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,150 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,603 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,838 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,719 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,279 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,008 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,588 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,374 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,181 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,436 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,906 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,357 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,481 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,821 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,052 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,268 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,967 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,158 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,440 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,649 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,385 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,142 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,456 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,418 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,522 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,050 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,099 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,307 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,049 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,146 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,875 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,539 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,481 |
| Largest City by Island | 0 | - | 4.87 | 71,423 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,607 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,983 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,979 |
| Megacities on a World Map | 0 | - | 4.98 | 252,388 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,806 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,563 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,039 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,394 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,675 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,468 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,765 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,150 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,802 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,220 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,366 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,430 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,753 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,879 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,466 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,451 |
| US States Quiz | 0 | - | 5.00 | 16,782,398 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,588 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,143 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,728 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,055 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,857 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,343 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,706 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,289 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,406 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,031 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,310 |
| 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 | 49,332 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,063 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,208 |
| US States with an Empty Map | 0 | - | 5.00 | 621,468 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,223 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,994 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,848 |
| Biggest City by Region | 0 | - | 4.50 | 36,073 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,006 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,108 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,287 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,046 |
| 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 | 49,322 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,365 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,103 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,538 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,417 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,400 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,222 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,911 |
| 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 | 41,110 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,054 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,979 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,107 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,996 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,812 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,232 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,094 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,530 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,699 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,826 |
| Biggest Cities in History | 0 | - | 4.52 | 89,547 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,220 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,288 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,307 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,278 |
| 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 | 123,866 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,260 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,946 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,265 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,823 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,323 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,874 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,681 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,934 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,056 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,774 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,196 |
| Biggest Cities in France | 0 | - | 4.70 | 223,114 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,471 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,799 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,658 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,652 |
| Biggest Cities in China | 0 | - | 4.52 | 157,787 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,083 |
| Biggest Cities in India | 0 | - | 4.70 | 67,521 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,291 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,597 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,305 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,558 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,987 |
| 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 | 166,068 |
| 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 | 20,410 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,772 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,083 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,511 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,689 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,916 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,125 |
| Cities of Ireland | 0 | - | 4.51 | 50,488 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,142 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,604 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,780 |
| Biggest Cities in California | 0 | - | 4.35 | 139,533 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,937 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,516 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,286 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,176 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,658 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,094 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,119 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,306 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,870 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,131 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,892 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,334 |
| Countries with Megacities | 0 | - | 4.99 | 249,054 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,182 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,569 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,519 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,541 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,038 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,925 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,902 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,823 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,788 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,465 |
| 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 | 162,219 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,993 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,832 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,107 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,794 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,419 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,837 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,945 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,672,237 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,660 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,508 |
