| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,017 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,051 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,224 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,563 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,467 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,031 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,534 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,723 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,624 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,888 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,797 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,625 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,456 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,379 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,513 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,443 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,884 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,082 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,859 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,750 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,348 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,870 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,186 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,494 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,434 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,659 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,951 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,759 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,210 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,356 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,825 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,031 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,670 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,008 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,970 |
| Largest City by Island | 0 | - | 4.87 | 71,657 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,775 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,651 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,234 |
| Megacities on a World Map | 0 | - | 4.98 | 253,313 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,122 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,808 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,955 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,201 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,673 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,908 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,772 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,336 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,187 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,109 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,646 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,060 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,876 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,322 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,012 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,954 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,741 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,469 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,504 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,091 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,111 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,960 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,668 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,606 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,126 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,942 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,139 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,316 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,462 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,841 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,391 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,240 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,491 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,157 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,358 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,380 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,237 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.68 | 64,033 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,389 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,042 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,918 |
| Biggest City by Region | 0 | - | 4.50 | 36,118 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,050 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,149 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,321 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,161 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,358 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,043 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,544 |
| Biggest Cities in History | 0 | - | 4.52 | 89,998 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 75,686 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,445 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,346 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,956 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,351 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,387 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,300 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,353 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,824 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,036 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,351 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,109 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,448 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,197 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,513 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,098 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,865 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,848 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,010 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,441 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,190 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,914 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,302 |
| Biggest Cities in France | 0 | - | 4.70 | 223,581 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,835 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,893 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,784 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,060 |
| Biggest Cities in China | 0 | - | 4.52 | 158,212 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,160 |
| Biggest Cities in India | 0 | - | 4.63 | 67,654 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,731 |
| US States Quiz | 0 | - | 5.00 | 16,830,938 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,342 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,645 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,874 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,816 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,999 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,030 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,754 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,532 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,520 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,640 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,546 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,337 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,113 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,154 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,796 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,239 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,564 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,761 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,015 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,249 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,168 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,874 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,991 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,696 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,315 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,054 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,044 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,661 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,970 |
| Countries with Megacities | 0 | - | 4.99 | 258,578 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,960 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,125 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,966 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,927 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,366 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,866 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,814 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,522 |
| Cities of Ireland | 0 | - | 4.51 | 50,559 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,942 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,131 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,912 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,030 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,488 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,156 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,974 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,349 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,041 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,460 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,662 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,133 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,103 |
| US States with an Empty Map | 0 | - | 5.00 | 623,238 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,723 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,380 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,893 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,587 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,716 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,538 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,376 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,662 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,254 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,355 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,914 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,169 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,758 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,983 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,193 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,470 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,610 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,618 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,099 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,971 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,227 |
| Rivers of the United States | 0 | - | 4.93 | 66,072 |
