| Biggest Cities in the World | 0 | - | 4.91 | 738,374 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 151,107 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,790 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,324 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,958 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,763 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 57,045 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,687 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,613 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,961 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,157 |
| Biggest City by Time Zone | 0 | - | 4.85 | 60,205 |
| Biggest City in Every Country | 0 | - | 4.98 | 88,091 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 185,202 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 100,192 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 108,137 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,727 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,707 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 393,417 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,438 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,858 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,258 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,550 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,797 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 117,079 |
| Biggest Cities in the United States | 0 | - | 4.94 | 897,608 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,935 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,859 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,496 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 105,911 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 543,615 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,909 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,327 |
| Largest City by Island | 0 | - | 4.90 | 64,740 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,122 |
| Most Populous World Capitals | 0 | - | 4.93 | 168,077 |
| Biggest European Cities by Century | 0 | - | 4.98 | 124,371 |
| Megacities on a World Map | 0 | - | 4.98 | 230,826 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 109,928 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,447 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,486 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 98,081 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 158,889 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,500 |
| Biggest Cities in Europe | 0 | - | 4.74 | 511,672 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 53,337 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,150 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,474 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,252 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,275 |
| Biggest Cities in Germany | 0 | - | 4.95 | 277,202 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,590 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,139 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,448 |
| All Cities in China with Population of 1 Million | 0 | - | 4.77 | 41,949 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,075 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,369 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 43,989 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,226 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,138 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,392 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,850 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,721 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,124 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,623 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,111 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,992 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,755 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,073 |
| Biggest City by Region | 0 | - | 4.49 | 34,797 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,362 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,973 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,345 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 80,432 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,238 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,466 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,039 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,104 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,830 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,584 |
| Biggest Cities in History | 0 | - | 4.50 | 84,660 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,938 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,249 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 45,994 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,706 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,474 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,316 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 35,087 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,839 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,424 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 102,934 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 116,196 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,415 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,426 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,677 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,869 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,465 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,890 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,889 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 80,987 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,459 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 49,026 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 39,638 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,769 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,363 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,518 |
| Biggest Cities in France | 0 | - | 4.70 | 210,548 |
| Biggest Cities in Spain | 0 | - | 4.55 | 161,853 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,166 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,838 |
| Biggest Cities in the UK | 0 | - | 4.47 | 98,897 |
| Biggest Cities in China | 0 | - | 4.47 | 147,924 |
| Cities of Ireland | 0 | - | 4.50 | 48,243 |
| Biggest Cities in Canada | 0 | - | 4.56 | 126,192 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,302 |
| Biggest Cities in India | 0 | - | 4.70 | 64,988 |
| Biggest Cities in Italy | 0 | - | 4.70 | 229,043 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,370,430 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,174 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,618 |
| Countries with Megacities | 0 | - | 4.99 | 214,660 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,378 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,002 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,548 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,741 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,413 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,627 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 159,181 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,175 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,783 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,064 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,225 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,200 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,651 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,686 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 72,165 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 103,155 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,653 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,299 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 212,459 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,342 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,765 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,882 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,519 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 121,904 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 21,055 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,519 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,160 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,505 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,451 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,248 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,573 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,620 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,905 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,607 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,812 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,033 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,064 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 181,746 |
| Top 10 Most Populous U.S. States | 0 | - | 4.96 | 158,663 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,205 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,331 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,235 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 103,877 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,743 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,147 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,530 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,744 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,755 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,238 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 61,901 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,925 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 134,883 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 91,011 |
| Countries of Europe by Population | 0 | - | 4.98 | 143,006 |
| Most Populous Countries by Year | 0 | - | 4.81 | 101,144 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 69,079 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,026 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,239 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,525 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,608 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,472 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,910 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,066 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,452 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 66,848 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,456 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 20,376 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,176 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 95,589 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 101,237 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 75,287 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 70,635 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.25 | 69,785 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.31 | 71,261 |
| Biggest Cities in California | 0 | - | 4.34 | 134,996 |
| Biggest Cities in Florida | 0 | - | 4.22 | 69,693 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,645 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,053 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,301 |
