| Biggest Cities in Asia | 0 | - | 4.95 | 117,463 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,245 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,176 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,764 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,802 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,036 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,236 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,659 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,049 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,849 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,945 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,409 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,235 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,157 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,879 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,228 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,277 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,946 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,874 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,456 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,249 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,811 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,359 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,890 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,992 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,356 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,294 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,696 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,794 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,141 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,098 |
| Largest City by Island | 0 | - | 4.87 | 72,116 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,216 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,285 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,834 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,615 |
| Megacities on a World Map | 0 | - | 4.98 | 255,554 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,612 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,549 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,254 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,343 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,102 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,559 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,558 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,368 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,795 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,620 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,487 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,332 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,663 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,040 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,803 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,172 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,053 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,678 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,654 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,308 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,296 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,792 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,606 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,383 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,085 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,521 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,281 |
| Biggest Cities in China | 0 | - | 4.53 | 159,159 |
| Biggest Cities in India | 0 | - | 4.64 | 67,889 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,842 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,790 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,060 |
| Biggest City by Region | 0 | - | 4.50 | 36,298 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,841 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,240 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,376 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,877 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,475 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,492 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,839 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,123 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,817 |
| Biggest Cities in History | 0 | - | 4.52 | 90,337 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,350 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,518 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,678 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,033 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,841 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,501 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,069 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,906 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,452 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,277 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,559 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,516 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,041 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,586 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,825 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,625 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,229 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,666 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,347 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,493 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,508 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,129 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,098 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,861 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,577 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,208 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,930 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,643 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,743 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,323 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,230 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,269 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,476 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,565 |
| Biggest Cities in France | 0 | - | 4.70 | 224,536 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,566 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,114 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,069 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,509 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,141 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,322 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,596 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,326 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,374 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,246 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,435 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,131 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,207 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,073 |
| Countries with Megacities | 0 | - | 4.99 | 264,978 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,893 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,574 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,156 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,647 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,930 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,635 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,900 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,417 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,013 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,555 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,649 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,216 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,286 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,304 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,952 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,021 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,479 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,255 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,990 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,497 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,742 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,691 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,867 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,265 |
| Cities of Ireland | 0 | - | 4.51 | 50,751 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,063 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,604 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,309 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,148 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,114 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,998 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,337 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,245 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,612 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,801 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,273 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,202 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,990 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,481 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,065 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,844 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,675 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,395 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,672 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,931 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,727 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,796 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,217 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,378 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,540 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,014 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,891 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,506 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,418 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,105 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,302 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,526 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,643 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,702 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,804 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,579 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,547 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,776 |
| Biggest Cities in California | 0 | - | 4.35 | 140,095 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,233 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,780 |
