| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 150,835 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,198 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,808 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,508 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.83 | 52,081 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,653 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 56,936 |
| Biggest Cities in the World | 0 | - | 4.91 | 736,713 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,422 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,480 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,506 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,015 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,039 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,048 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,068 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,364 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,797 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 392,765 |
| Biggest Cities in the United States | 0 | - | 4.93 | 895,471 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,469 |
| Biggest City by Time Zone | 0 | - | 4.85 | 59,996 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,577 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,393 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,711 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 99,932 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,787 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,529 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,570 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,533 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,308 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 48,950 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,222 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,768 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 105,674 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,092 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,477 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,619 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 116,722 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 102,997 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,769 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,098 |
| Largest City by Island | 0 | - | 4.90 | 64,391 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,012 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,846 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,883 |
| Megacities on a World Map | 0 | - | 4.98 | 230,516 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 45,953 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 109,743 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 542,762 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,343 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,305 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,829 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 158,696 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,340 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,328 |
| Biggest Cities in Europe | 0 | - | 4.74 | 510,696 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,222 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,299 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,094 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,167 |
| Biggest Cities in Germany | 0 | - | 4.95 | 276,780 |
| Biggest Cities in Canada | 0 | - | 4.57 | 126,071 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,523 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,178 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 103,406 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,481 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 41,809 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,010 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,057 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 43,886 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,056 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,359 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,687 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,624 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,052 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,574 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,028 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,475 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,702 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,948 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,042 |
| Biggest City by Region | 0 | - | 4.49 | 34,770 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,310 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,946 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,320 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,095 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,723 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,340 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,202 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,748 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,486 |
| Biggest Cities in History | 0 | - | 4.49 | 84,550 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,868 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,213 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 80,883 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,654 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,409 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 33,670 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,247 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 17,149 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 34,906 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,204 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,538 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,664 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,294 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 102,753 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 116,023 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,236 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,257 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 61,854 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 39,537 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.93 | 60,281 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,668 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,287 |
| Biggest Cities in Russia | 0 | - | 4.49 | 79,458 |
| Biggest Cities in France | 0 | - | 4.70 | 210,214 |
| Biggest Cities in Spain | 0 | - | 4.55 | 161,639 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,080 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,747 |
| Biggest Cities in the UK | 0 | - | 4.47 | 98,725 |
| Biggest Cities in China | 0 | - | 4.47 | 147,648 |
| Cities of Ireland | 0 | - | 4.50 | 48,153 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,251 |
| Biggest Cities in India | 0 | - | 4.71 | 64,934 |
| Biggest Cities in Italy | 0 | - | 4.70 | 228,679 |
| US States Quiz | 0 | - | 5.00 | 15,637,447 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,841 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 115,885 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,641 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,833 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,451 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,874 |
| Biggest Cities by Latitude | 0 | - | 4.75 | 26,868 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,548 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,492 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 158,995 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,047 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,089 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,128 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,596 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,619 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 71,973 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,436 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 102,867 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,388 |
| Biggest Cities in California | 0 | - | 4.34 | 134,901 |
| Biggest Cities in Florida | 0 | - | 4.22 | 69,647 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,583 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,005 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,244 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,277 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 24,262 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 212,176 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,588 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,837 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,102 |
| Countries with Megacities | 0 | - | 4.99 | 213,798 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,040 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,785 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,266 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,493 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,876 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,217 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,046 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,121 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.82 | 20,186 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,733 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,277 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,147 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,641 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,534 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,376 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 121,752 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,599,541 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 66,271 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,005 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 300,294 |
| 10 Longest Rivers in the United States | 0 | - | 4.83 | 36,689 |
| US States with an Empty Map | 0 | - | 5.00 | 584,909 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 85,964 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 40,825 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 122,418 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 20,997 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,483 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,772 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,207 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,627 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,929 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,889 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,074 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,302 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 66,787 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,726 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,883 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 133,553 |
| Countries Closest to Alaska | 0 | - | 4.91 | 103,871 |
| Countries Closest to Maine | 0 | - | 4.85 | 62,258 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 42,788 |
| Rivers of the United States | 0 | - | 4.92 | 60,862 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 194,932 |
