| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,683 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,387 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,807 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,903 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,638 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,460 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,414 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,591 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,797 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,608 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,524 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,283 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,366 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,960 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,952 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,947 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,333 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,666 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,710 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,926 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,537 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,431 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,012 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,596 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,909 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,094 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,196 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,791 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,846 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,268 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,035 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,479 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,654 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,625 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,279 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,713 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,145 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,252 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,813 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,791 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,665 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,914 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,908 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,690 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,766 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,915 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,005 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,559 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,740 |
| Biggest Cities by Language | 0 | - | 4.96 | 236,625 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,533 |
| Largest City by Island | 0 | - | 4.87 | 71,122 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,438 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,645 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,331 |
| Megacities on a World Map | 0 | - | 4.98 | 251,263 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,324 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,870 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,947 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,732 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,641 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,188 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,950 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,905 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,520 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,972 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,214 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,098 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,277 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,149 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,624 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,997 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,308 |
| Hawaiian Islands | 0 | - | 4.83 | 42,454 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,652 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,571 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,152 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,150 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,059 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,012 |
| US States and State Capitals | 0 | - | 4.99 | 158,888 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,855 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,180 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,854 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,503 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,039 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,772 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,960 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,972 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,907 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,269 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,943 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,618 |
| Countries with Megacities | 0 | - | 4.99 | 247,541 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,452 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,198 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,871 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,124 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,060 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,241 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,411 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,991 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,922 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,271 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,746 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,328 |
| Biggest City by Region | 0 | - | 4.50 | 36,014 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,926 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,870 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,040 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,243 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,949 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,507 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,820 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,267 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,852 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,597 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,064 |
| Biggest Cities in France | 0 | - | 4.69 | 222,572 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,021 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,694 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,501 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,562 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,248 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,585 |
| Biggest Cities in China | 0 | - | 4.53 | 157,182 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,995 |
| Biggest Cities in India | 0 | - | 4.70 | 67,377 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,678 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,856 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,416 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,513 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,668 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,653 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,066 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,667 |
| Rivers of the United States | 0 | - | 4.93 | 65,594 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,020 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,270 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,020 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,561 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,810 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,400 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,490 |
| Biggest Cities in History | 0 | - | 4.52 | 89,186 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,147 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,218 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,741 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,217 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,045 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,274 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,383 |
| Biggest Cities in California | 0 | - | 4.35 | 139,277 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,816 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,431 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,218 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,115 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,598 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,680 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,064 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,577 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,035 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,678 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,981 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,274 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,064 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,320 |
| Which City in Canada? | 0 | - | 4.82 | 56,745 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,313 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,494 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,717 |
| U.S. State Flags | 0 | - | 4.89 | 167,654 |
| New Jersey Counties | 0 | - | 4.56 | 29,960 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,733 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,109 |
| State Quiz - Florida | 0 | - | 4.47 | 61,988 |
| State Quiz - Texas | 0 | - | 4.43 | 62,550 |
| State Quiz - New York | 0 | - | 4.52 | 45,798 |
| State Quiz - California | 0 | - | 4.68 | 64,028 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,529 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,343 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,391 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,207 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,477 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,069 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,498 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,690 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,351 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,877 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,463 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,983 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,680 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,478 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,262 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,448 |
| Cities of Ireland | 0 | - | 4.51 | 50,367 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,106 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,610 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,415 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,362 |
