| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,636 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,251 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,259 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,448 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,601 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,125 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,237 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,987 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,924 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,714 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,690 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,983 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,412 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,123 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,729 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,863 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,329 |
| 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 | 132,828 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,815 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,894 |
| Largest City by Island | 0 | - | 4.87 | 72,592 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,511 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,909 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,272 |
| Megacities on a World Map | 0 | - | 4.98 | 257,562 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,369 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,869 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,858 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,838 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,891 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,489 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,178 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,407 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,494 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,383 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,633 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,376 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,042 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,166 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,963 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,745 |
| US States and State Capitals | 0 | - | 4.99 | 166,074 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,261 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,218 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,583 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,026 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,644 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,486 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,059 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,905 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,620 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,854 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,536 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,612 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,616 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,650 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,717 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,842 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,872 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,223 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,686 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,185 |
| Biggest City by Region | 0 | - | 4.50 | 36,424 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,383 |
| 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 | 83,627 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,734 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,733 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,525 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,411 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,107 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,529 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,295 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,104 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,906 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,071 |
| Biggest Cities in History | 0 | - | 4.52 | 90,721 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,228 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,240 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,652 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,846 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,549 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,694 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,741 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,509 |
| Biggest Cities in California | 0 | - | 4.35 | 140,546 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,481 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,979 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,571 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,461 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,889 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,028 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,823 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,316 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,269 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,261 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,080 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,701 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,257 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,883 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,824 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,222 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,209 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,036 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,153 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,509 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,936 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,983 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,976 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,937 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,717 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,668 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,425 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,428 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,061 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,197 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,216 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,567 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,622 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,111 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,579 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,210 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,123 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,036 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,568 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,757 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,251 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,009 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,950 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,892 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,582 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,481 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,949 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 43,004 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,057 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,895 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,597 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,568 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,487 |
| Countries with Megacities | 0 | - | 4.99 | 268,006 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,570 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,853 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,220 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,036 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,372 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,550 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,476 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,748 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,033 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,658 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,437 |
| 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 with a Tropical Climate | 0 | - | 4.38 | 32,148 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,953 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,729 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,467 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,411 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,106 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,621 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,851 |
| Biggest Cities in France | 0 | - | 4.72 | 225,680 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,395 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,364 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,362 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,996 |
| Biggest Cities in China | 0 | - | 4.53 | 160,261 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,694 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,520 |
| Biggest Cities in India | 0 | - | 4.64 | 68,134 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,781 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,680 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,887 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,921 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,967 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,982 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,730 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,751 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,969 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,705 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 29,454 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,334 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,934 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,095 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,129 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,093 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,779 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,351 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,517 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 21,010 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,234 |
| Which City in Canada? | 0 | - | 4.83 | 57,419 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,844 |
| U.S. State Flags | 0 | - | 4.88 | 173,555 |
| Hawaiian Islands | 0 | - | 4.83 | 43,020 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,580 |
