| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,272 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,338 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,567 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,826 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,895 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,139 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,788 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,025 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,105 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,101 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,830 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,559 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,006 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,194 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,204 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,257 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,039 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,410 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,826 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,378 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,321 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,450 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,743 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,267 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,612 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,218 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,903 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,976 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,593 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,122 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,385 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,953 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,849 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,546 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,101 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,946 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,749 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,068 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,543 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,660 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,365 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,882 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,960 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,142 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,299 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,744 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,336 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,533 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,569 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,427 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,453 |
| Largest City by Island | 0 | - | 4.87 | 71,887 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,009 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,978 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,544 |
| Megacities on a World Map | 0 | - | 4.98 | 254,612 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 88,561 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,359 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,958 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,977 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,838 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,403 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,710 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,180 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,045 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,082 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,204 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,765 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,565 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,215 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,408 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,084 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,267 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,433 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,196 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,574 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,306 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,918 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,541 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,497 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,301 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,215 |
| US States and State Capitals | 0 | - | 4.99 | 162,515 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,058 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,203 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,400 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,757 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,333 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,145 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,069 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,411 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,261 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,782 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,197 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,915 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,392 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,496 |
| Countries with Megacities | 0 | - | 4.99 | 263,518 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,343 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,270 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,630 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,304 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,512 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,417 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,676 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,583 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,089 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,664 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,992 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,473 |
| Biggest City by Region | 0 | - | 4.50 | 36,227 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,145 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,991 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,191 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,355 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,268 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,005 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,096 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,418 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,322 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,115 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,431 |
| Biggest Cities in France | 0 | - | 4.70 | 224,031 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,179 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,003 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,910 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,641 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,269 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,918 |
| Biggest Cities in China | 0 | - | 4.53 | 158,628 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,222 |
| Biggest Cities in India | 0 | - | 4.64 | 67,761 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,123 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,581 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,373 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,119 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,978 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,891 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,242 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,486 |
| Rivers of the United States | 0 | - | 4.93 | 66,211 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,730 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,836 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,921 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,404 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,553 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,091 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,606 |
| Biggest Cities in History | 0 | - | 4.52 | 90,167 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,537 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,411 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,844 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,470 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,399 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,388 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 28,394 |
| Biggest Cities in California | 0 | - | 4.35 | 139,897 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,120 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,688 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,170 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,758 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,894 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,652 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,938 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,983 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,601 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,427 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,894 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,352 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,038 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,368 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,665 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,447 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,016 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,414 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,134 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,050 |
| Which City in Canada? | 0 | - | 4.83 | 57,081 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,275 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,186 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,134 |
| U.S. State Flags | 0 | - | 4.89 | 170,530 |
| Hawaiian Islands | 0 | - | 4.83 | 42,719 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,976 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,322 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,855 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,642 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,617 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,456 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,911 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,170 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,322 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,897 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,056 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,593 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,066 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,825 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,555 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,628 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,599 |
