| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,316 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,763 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,820 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,543 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,163 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,703 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,420 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,579 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,313 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,368 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,088 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,078 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,541 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,634 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,762 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,834 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,089 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,900 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,686 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,736 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,031 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,909 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,132 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,528 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,553 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,483 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,346 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,627 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,937 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,925 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,074 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,198 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,558 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,773 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,713 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,564 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,545 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,887 |
| Largest City by Island | 0 | - | 4.87 | 71,071 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,406 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,580 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,922 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,664 |
| Megacities on a World Map | 0 | - | 4.98 | 251,069 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,316 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,423 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,816 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,895 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,855 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,827 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,366 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,945 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,194 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,894 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,767 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,954 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,078 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,275 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,546 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,620 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,548 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,132 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,278 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,714 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,629 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,173 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,291 |
| Biggest Cities in California | 0 | - | 4.35 | 139,226 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,796 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,425 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,208 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,080 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,585 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,644 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,052 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,493 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,262 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,941 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,017 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,129 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,037 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,949 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,356 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,489 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,945 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,913 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,244 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,716 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,320 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,909 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,017 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,859 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,023 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,225 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,228 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,932 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,262 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,566 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,096 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,461 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,793 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,816 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,541 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,033 |
| Biggest Cities in France | 0 | - | 4.69 | 222,341 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,916 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,667 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,471 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,182 |
| Biggest Cities in China | 0 | - | 4.53 | 157,062 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,857 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,970 |
| Biggest Cities in India | 0 | - | 4.70 | 67,346 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,541 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,122 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,013 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,582 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,721 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,428 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,764 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,891 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,406 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,060 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,295 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,772 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,846 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,417 |
| Biggest Cities in History | 0 | - | 4.52 | 89,148 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,125 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,192 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,726 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,557 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,204 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,743 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,979 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,535 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,989 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,626 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,935 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,215 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,018 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,458 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,329 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,334 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,865 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,454 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,701 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,672 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,466 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,858 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,229 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,811 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,434 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,263 |
| Cities of Ireland | 0 | - | 4.51 | 50,343 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,098 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,312 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,419 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,405 |
| Vietnam War Countries | 0 | - | 4.83 | 93,641 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,622 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,482 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,757 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,680 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,066 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,550 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,756 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,728 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,559 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,984 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,821 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,846 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,769 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,812 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,614 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,646 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,801 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,478 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,399 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,140 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,411 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,876 |
| Countries with Megacities | 0 | - | 4.99 | 247,209 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,004 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,928 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,252 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,516 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,073 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,689 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,652 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,988 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,321 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,658 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,698 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,886 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,948 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,493 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,513 |
