| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,262 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,219 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,029 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,645 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,487 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,061 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,857 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,509 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,277 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,413 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,495 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,636 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,132 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,242 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,992 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,934 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,718 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,709 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,985 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,171 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,414 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,966 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,273 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,127 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,732 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,751 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,867 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,332 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,590 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,830 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,226 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,176 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,477 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,609 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,696 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,590 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,384 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,820 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,899 |
| Largest City by Island | 0 | - | 4.87 | 72,593 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,515 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,913 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,274 |
| Megacities on a World Map | 0 | - | 4.98 | 257,574 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,582 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,870 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,861 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,213 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,036 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,568 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,842 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,463 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,378 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,893 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,438 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,620 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,126 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,791 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,622 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,412 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,720 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,843 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,191 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,887 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,037 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,387 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,745 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,453 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,734 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,525 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,423 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,109 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,869 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,380 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,043 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,105 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,598 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,241 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,886 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,849 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,550 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,705 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,225 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,687 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,187 |
| Biggest City by Region | 0 | - | 4.50 | 36,424 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,384 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,984 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,464 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,629 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,168 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,458 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,075 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,569 |
| Biggest Cities in History | 0 | - | 4.52 | 90,722 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,231 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,622 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,113 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,652 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,146 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,742 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,743 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,509 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,252 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,278 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,266 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,091 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,711 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,295 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,888 |
| US States Quiz | 0 | - | 5.00 | 17,026,916 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,115 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,537 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,613 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,953 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,731 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,469 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,106 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,622 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,853 |
| Biggest Cities in France | 0 | - | 4.72 | 225,686 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,398 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,368 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,509 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,363 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,652 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,996 |
| Biggest Cities in China | 0 | - | 4.53 | 160,269 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,522 |
| Biggest Cities in India | 0 | - | 4.64 | 68,136 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,786 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,205 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,223 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,851 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,209 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,731 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,153 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,936 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,980 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,798 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,176 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,818 |
| Cities of Ireland | 0 | - | 4.51 | 50,968 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,277 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,529 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,295 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,797 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,879 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,374 |
| US States with an Empty Map | 0 | - | 5.00 | 629,711 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,476 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,082 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,225 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,513 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,068 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,637 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,124 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,942 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,937 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,239 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,719 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,669 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,009 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,429 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,955 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,898 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,592 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,485 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,956 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,649 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,433 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,468 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,430 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,475 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,642 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,895 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,584 |
| Countries with Megacities | 0 | - | 4.99 | 268,024 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,226 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,375 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,555 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,481 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,660 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,149 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,322 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,257 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,757 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,706 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,413 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,325 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,715 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,299 |
| Rivers of the United States | 0 | - | 4.93 | 66,806 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,915 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,067 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,721 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,009 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,291 |
