| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,799 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,488 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,863 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,997 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,755 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,613 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,750 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,788 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,819 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,646 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,548 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,308 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,431 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,973 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,979 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,974 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,145 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,833 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,833 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,082 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,595 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,533 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,471 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,666 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,938 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,292 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,256 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,934 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,062 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,606 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,164 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,939 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,795 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,735 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,456 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,831 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,253 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,336 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,872 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,893 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,836 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,998 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,935 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,721 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,282 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,995 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,035 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,782 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,989 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,357 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,876 |
| Largest City by Island | 0 | - | 4.87 | 71,205 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,498 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,747 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,633 |
| Megacities on a World Map | 0 | - | 4.98 | 251,589 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,402 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,923 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,076 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,757 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,664 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,208 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,136 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,929 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,732 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,415 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,998 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,392 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,163 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,396 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,222 |
| Megacities on an Empty Map | 0 | - | 4.96 | 111,674 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,015 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,326 |
| Hawaiian Islands | 0 | - | 4.83 | 42,492 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,677 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,606 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,194 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,171 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,097 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,100 |
| US States and State Capitals | 0 | - | 4.99 | 159,239 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,030 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,265 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,474 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,523 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,065 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,806 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,975 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,985 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,922 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,310 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,195 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,785 |
| Countries with Megacities | 0 | - | 4.99 | 247,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,667 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,283 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,049 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,238 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,100 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,255 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,866 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,050 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,942 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,315 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,781 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,342 |
| Biggest City by Region | 0 | - | 4.50 | 36,031 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,946 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,883 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,061 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,248 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,982 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,562 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,849 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,286 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,917 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,640 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,095 |
| Biggest Cities in France | 0 | - | 4.69 | 222,729 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,123 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,717 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,539 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,572 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,316 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,620 |
| Biggest Cities in China | 0 | - | 4.53 | 157,329 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,013 |
| Biggest Cities in India | 0 | - | 4.70 | 67,409 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,840 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,932 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,537 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,581 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,693 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,674 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,072 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,750 |
| Rivers of the United States | 0 | - | 4.93 | 65,657 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,109 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,406 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,110 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,597 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,888 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,468 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,583 |
| Biggest Cities in History | 0 | - | 4.52 | 89,240 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,173 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,239 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,240 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,099 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,286 |
| Biggest Cities in California | 0 | - | 4.35 | 139,336 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,848 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,443 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,231 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,128 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,607 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,722 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,079 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,689 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,134 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,774 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,105 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,622 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,156 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,403 |
| Which City in Canada? | 0 | - | 4.82 | 56,786 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,460 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,607 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,756 |
| U.S. State Flags | 0 | - | 4.89 | 167,930 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,993 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,141 |
| State Quiz - Florida | 0 | - | 4.47 | 62,036 |
| State Quiz - Texas | 0 | - | 4.43 | 62,586 |
| State Quiz - New York | 0 | - | 4.52 | 45,827 |
| State Quiz - California | 0 | - | 4.68 | 64,074 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,547 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,577 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,506 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,243 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,588 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,144 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,570 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,755 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,383 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,890 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,477 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,695 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,486 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,303 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,464 |
| Cities of Ireland | 0 | - | 4.51 | 50,395 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,115 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,703 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,484 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,762 |
