| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,539 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,887 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,121 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,308 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,901 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,126 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,984 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,938 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,289 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,349 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,998 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,696 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,411 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,326 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,407 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,465 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,994 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,394 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,499 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,205 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,845 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,091 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,949 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,776 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,900 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,575 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,312 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,756 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,698 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,925 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,251 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,218 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,590 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,112 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,110 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,765 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,501 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,565 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,090 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,229 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,940 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,349 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,629 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,437 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,107 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,263 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,523 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,798 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,735 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,406 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,450 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,440 |
| Largest City by Island | 0 | - | 4.87 | 72,309 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,335 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,533 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,018 |
| Megacities on a World Map | 0 | - | 4.98 | 256,366 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,777 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,676 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,498 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,127 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,968 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,495 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,867 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,366 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,047 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,463 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,394 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,740 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,902 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,398 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,466 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,208 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,846 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,034 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,342 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,630 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,249 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,912 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,705 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,443 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,819 |
| US States and State Capitals | 0 | - | 4.99 | 164,715 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,779 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,808 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,837 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,929 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,501 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,032 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,367 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,131 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,503 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,374 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,929 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,258 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,921 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,934 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,723 |
| Countries with Megacities | 0 | - | 4.99 | 266,245 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,445 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,864 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,741 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,976 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,802 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,547 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,228 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,977 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,618 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,952 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,113 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,551 |
| Biggest City by Region | 0 | - | 4.50 | 36,351 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,283 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,236 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,061 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,281 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,419 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,490 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,483 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,323 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,529 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,620 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,408 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,693 |
| Biggest Cities in France | 0 | - | 4.70 | 225,004 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,906 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,204 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,199 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,695 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,682 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,135 |
| Biggest Cities in China | 0 | - | 4.53 | 159,589 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,407 |
| Biggest Cities in India | 0 | - | 4.64 | 67,988 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,079 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,074 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,939 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,479 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,128 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,974 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,331 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,973 |
| Rivers of the United States | 0 | - | 4.93 | 66,564 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,178 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,714 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,497 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,783 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,059 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,460 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,600 |
| Biggest Cities in History | 0 | - | 4.52 | 90,484 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,796 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,563 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,902 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,920 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,642 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,609 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,453 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,196 |
| Biggest Cities in California | 0 | - | 4.35 | 140,265 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,328 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,864 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,268 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,869 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,988 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,793 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,047 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,046 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,698 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,472 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,978 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,585 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,132 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,006 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,067 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,853 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,450 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,922 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,581 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,636 |
| Which City in Canada? | 0 | - | 4.83 | 57,280 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,626 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,563 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,361 |
| U.S. State Flags | 0 | - | 4.89 | 172,251 |
| Hawaiian Islands | 0 | - | 4.83 | 42,877 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,261 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,470 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,450 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,198 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,840 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,121 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,487 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,612 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,744 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,116 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,153 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,670 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,127 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,897 |
