| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,541 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,788 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,876 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,654 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,537 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,728 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,659 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,862 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,221 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,114 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,568 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,092 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,741 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,480 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,549 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,078 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,203 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,904 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,390 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,422 |
| Largest City by Island | 0 | - | 4.87 | 72,286 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,328 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,512 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,004 |
| Megacities on a World Map | 0 | - | 4.98 | 256,251 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,976 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,662 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,483 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,826 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,438 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,899 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,833 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,915 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,342 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,024 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,398 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,241 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,903 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,356 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,469 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,185 |
| US States and State Capitals | 0 | - | 4.99 | 164,656 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,863 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,829 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,064 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,057 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,288 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,870 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,757 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,444 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,428 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,075 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,400 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,457 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,242 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,511 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,748 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,728 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,377 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,963 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,614 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,109 |
| Biggest City by Region | 0 | - | 4.50 | 36,343 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,271 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,064 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,276 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,415 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,479 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,523 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,000 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,447 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,384 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,713 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,883 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,394 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,203 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,622 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,511 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,573 |
| Biggest Cities in History | 0 | - | 4.52 | 90,467 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,763 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,017 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,557 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,696 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,436 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,760 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,635 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,356 |
| Biggest Cities in California | 0 | - | 4.35 | 140,250 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,316 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,858 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,501 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,371 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,791 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,925 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,582 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,253 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,992 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,045 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,839 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,432 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,898 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,561 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,583 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,056 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,139 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,919 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,123 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,127 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,894 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,790 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,832 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,721 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,441 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,422 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,837 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,713 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,856 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,755 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,779 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,936 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,547 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,057 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,680 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,120 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,058 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,965 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,492 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,694 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,125 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,976 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,607 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,697 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,408 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,204 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,689 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,935 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,139 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,791 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,295 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,599 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,153 |
| Countries with Megacities | 0 | - | 4.99 | 266,084 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,679 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,482 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,347 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,758 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,804 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,620 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,023 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,930 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,441 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,934 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,391 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,277 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,991 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,691 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,093 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,901 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,475 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,313 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,320 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,606 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,398 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,684 |
| Biggest Cities in France | 0 | - | 4.70 | 224,956 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,888 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,198 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,189 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,668 |
| Biggest Cities in China | 0 | - | 4.53 | 159,558 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,328 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,400 |
| Biggest Cities in India | 0 | - | 4.64 | 67,981 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,042 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,426 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,655 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,745 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,794 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,860 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,633 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,617 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,837 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,493 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,171 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,266 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,865 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,986 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,044 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,044 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,696 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,257 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,471 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,978 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,130 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,550 |
| U.S. State Flags | 0 | - | 4.89 | 172,200 |
| Hawaiian Islands | 0 | - | 4.83 | 42,864 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,462 |
