| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,386 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,440 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,799 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,654 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,762 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,675 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,195 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,528 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,088 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,250 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,578 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,345 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,650 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,781 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,873 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,779 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,483 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,039 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,137 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,159 |
| Largest City by Island | 0 | - | 4.87 | 71,754 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,844 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,781 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,325 |
| Megacities on a World Map | 0 | - | 4.98 | 253,738 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,433 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,269 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,793 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,373 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,177 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,083 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,991 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,751 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,934 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,219 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,866 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,841 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,460 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,055 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,599 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,099 |
| US States and State Capitals | 0 | - | 4.99 | 161,685 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,107 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,136 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,232 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,291 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,656 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,616 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,112 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,942 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,004 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,809 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,143 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,191 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,579 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,277 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,146 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,796 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,465 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,062 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,941 |
| Biggest City by Region | 0 | - | 4.50 | 36,141 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,065 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,167 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,335 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,205 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,390 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,771 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,979 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,162 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,459 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,504 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,423 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,165 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,052 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,201 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,516 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,819 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,454 |
| Biggest Cities in History | 0 | - | 4.52 | 90,054 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,765 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,373 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,426 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,265 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,337 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,420 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,052 |
| Biggest Cities in California | 0 | - | 4.35 | 139,769 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,056 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,618 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,378 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,229 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,737 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,261 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,164 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,172 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,495 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,259 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,577 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,184 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,936 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,448 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,691 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,016 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,707 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,044 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,441 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,767 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,542 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,388 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,560 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,303 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,942 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,060 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,849 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,084 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,915 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,771 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,996 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,588 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,457 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,964 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,883 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,930 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,885 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,790 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,353 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,616 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,851 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,916 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,568 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,194 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,007 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,428 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,110 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,803 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,894 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,618 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,800 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,169 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,603 |
| Countries with Megacities | 0 | - | 4.99 | 261,876 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,537 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,745 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,033 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,316 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,079 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,327 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,436 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,113 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,984 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,795 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 61,483 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,045 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,779 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,503 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,996 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,806 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,912 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,041 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,134 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,232 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,986 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,344 |
| Biggest Cities in France | 0 | - | 4.70 | 223,727 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,973 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,935 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,822 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,132 |
| Biggest Cities in China | 0 | - | 4.52 | 158,373 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,744 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,180 |
| Biggest Cities in India | 0 | - | 4.64 | 67,696 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,875 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,048 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,264 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,461 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,518 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,658 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,466 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,418 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,634 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,166 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,260 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,145 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,712 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,865 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,609 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,902 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,967 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,558 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,168 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,405 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,873 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,001 |
| Which City in Canada? | 0 | - | 4.82 | 57,003 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,049 |
| U.S. State Flags | 0 | - | 4.89 | 170,008 |
| Hawaiian Islands | 0 | - | 4.83 | 42,669 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,288 |
