| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 48,822 |
| Biggest Cities in the World | 0 | - | 4.91 | 772,951 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,692 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,575 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 334,849 |
| Biggest City by Time Zone | 0 | - | 4.87 | 64,188 |
| Biggest City in Every Country | 0 | - | 4.98 | 94,708 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 196,062 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 105,922 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 115,868 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,992 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 81,532 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 407,094 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,906 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,593 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 67,436 |
| Ten Southernmost Megacities | 0 | - | 4.83 | 49,978 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 64,729 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 124,694 |
| Biggest Cities in the United States | 0 | - | 4.94 | 944,025 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 359,093 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 217,544 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 132,217 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 111,128 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 563,599 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,873 |
| Biggest Cities by Language | 0 | - | 4.95 | 227,669 |
| Largest City by Island | 0 | - | 4.90 | 69,433 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.93 | 69,100 |
| Most Populous World Capitals | 0 | - | 4.94 | 172,619 |
| Biggest European Cities by Century | 0 | - | 4.98 | 127,089 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 155,983 |
| Megacities on a World Map | 0 | - | 4.98 | 237,738 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,886 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 114,133 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,666 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 72,038 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 77,264 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 38,374 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 112,677 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 60,148 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 104,798 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 164,340 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,803 |
| Biggest Cities in Europe | 0 | - | 4.70 | 532,833 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 54,883 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,728 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 54,168 |
| Megacities on an Empty Map | 0 | - | 4.96 | 95,329 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 35,779 |
| Biggest Cities in Germany | 0 | - | 4.95 | 286,470 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,719 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,159 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 90,981 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,380 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 93,908 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 46,116 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,800 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,420 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,239 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,541 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 57,569 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,172 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,775 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,694 |
| Biggest City by Region | 0 | - | 4.50 | 35,558 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,437 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,684 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,944 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 82,199 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,930 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,903 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,572 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,925 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 142,432 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 124,998 |
| Biggest Cities in History | 0 | - | 4.52 | 87,957 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,551 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,981 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,589 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,687 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,719 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,193 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,191 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,789 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,638 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,104 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,865 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 39,064 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 121,825 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 114,234 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 106,791 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 119,998 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 140,237 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 124,097 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,507 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,813 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,387 |
| Biggest Cities by Latitude | 0 | - | 4.78 | 27,289 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,108 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,083 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,128 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,794 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 50,610 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 42,368 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,491 |
| Biggest Cities in Japan | 0 | - | 4.68 | 81,614 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,248 |
| Biggest Cities in France | 0 | - | 4.72 | 218,538 |
| Biggest Cities in Spain | 0 | - | 4.63 | 167,205 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,913 |
| Biggest Cities in Poland | 0 | - | 4.61 | 52,673 |
| Biggest Cities in the UK | 0 | - | 4.47 | 102,602 |
| Biggest Cities in China | 0 | - | 4.52 | 154,023 |
| Biggest Cities in Canada | 0 | - | 4.56 | 130,210 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,449 |
| Biggest Cities in India | 0 | - | 4.70 | 66,552 |
| Biggest Cities in Italy | 0 | - | 4.74 | 236,344 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,411,635 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 371,302 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 166,908 |
| Countries with Megacities | 0 | - | 4.99 | 227,754 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,186 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,697 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 131,989 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,331 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 312,791 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 106,317 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 163,670 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,396 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,280 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,501 |
| Flags to Largest Cities | 0 | - | 4.54 | 37,271 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 52,049 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 38,265 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 44,273 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,716 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 92,157 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,685 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 218,538 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 159,783 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 103,282 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 85,284 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 124,052 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 125,890 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 22,795 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,150 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,308 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 22,995 |
| Cities of Ireland | 0 | - | 4.50 | 49,597 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,871 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,431 |
| Biggest Cities in North Carolina | 0 | - | 4.70 | 34,469 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 125,632 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,248 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,233 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,014 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,967 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,858 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,010 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 45,013 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.28 | 111,547 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,646 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,555 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 31,510 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,603 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,477 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,645 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,822 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,343 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 137,560 |
| Countries of Europe by Population | 0 | - | 4.98 | 173,102 |
| Most Populous Countries by Year | 0 | - | 4.83 | 106,865 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,202 |
| Demographics Multiple Choice | 0 | - | 4.70 | 41,787 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,145 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 125,543 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 104,473 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 110,302 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 87,626 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 91,395 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,263 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,983 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,344 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,064 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 22,020 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,689 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 99,978 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 105,297 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,208 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,272 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 32,788 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,709 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,492 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,687 |
| Biggest Cities in California | 0 | - | 4.35 | 137,975 |
| Biggest Cities in Florida | 0 | - | 4.22 | 71,103 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,847 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,855 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,724 |
