| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,629 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,336 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,492 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,809 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 105,256 |
| Biggest Cities in China | 0 | - | 4.55 | 141,942 |
| Biggest Cities in the World | 0 | - | 4.90 | 703,612 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,124 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,293 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,530 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,081 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,570 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,514 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,395 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,780 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,920 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,511 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,485 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,644 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 67,028 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,031 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,182 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,473 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,956 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,025 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,828 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,731 |
| Biggest Cities in the United States | 0 | - | 4.93 | 849,948 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 338,875 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,265 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,554 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,395 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,495 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,623 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,698 |
| Megacities on a World Map | 0 | - | 4.98 | 223,848 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,801 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 523,566 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,960 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,774 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,988 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,300 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,883 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,194 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,766 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,695 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,734 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,642 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,826 |
| Biggest Cities in Europe | 0 | - | 4.75 | 490,157 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,858 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,727 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,494 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,881 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 96,349 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,539 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 68,661 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 30,878 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,703 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,596 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,665 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,312 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,655 |
| Biggest Cities in France | 0 | - | 4.72 | 203,446 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,450 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,257 |
| Biggest Cities in India | 0 | - | 4.71 | 63,356 |
| Biggest Cities in Italy | 0 | - | 4.66 | 221,651 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,134 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,312 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,397 |
| Biggest City by Region | 0 | - | 4.50 | 34,074 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,075 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,695 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,077 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,683 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,458 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 67,000 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,865 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,398 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,362 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 78,980 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,259 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,874 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,429 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,537 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.79 | 39,303 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,553 |
| Biggest City by Island | 0 | - | 4.57 | 46,137 |
| Biggest Cities in History | 0 | - | 4.50 | 81,944 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,592 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,664 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 65,191 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,323 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,124 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,193 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,462 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,396 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,387 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 131,087 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 116,467 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,107 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 46,845 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,250 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,672 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,238 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,126 |
| Cities of Ireland | 0 | - | 4.49 | 46,468 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,539 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,153 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,777 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,947 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,659 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,759 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,690 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,267 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,944 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,153 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,901 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,401 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,450 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,237 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,894 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,264 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,051 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,227 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,228 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 35,006 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 23,008 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,564 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 206,210 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,329,908 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,608 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,212 |
| Countries with Megacities | 0 | - | 4.99 | 202,087 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,585 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,069 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,396 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,996 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,369 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,818 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,956 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 95,454 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 53,004 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,241 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,679 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,301 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,901 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,148 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,588 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,983 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,551 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,159 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,076 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,710 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,980 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,700 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,610 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,647 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,447 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,838 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,192 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,525 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,520 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,674 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,313 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,367 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,398 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,597 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,767 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,369 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,965 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,599 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,584 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,523 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 83,941 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,566 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,274 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,884 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,160 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,481 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,457 |
| Biggest Cities in California | 0 | - | 4.35 | 132,116 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,230 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,532 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,199 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,314 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,582 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,729 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,581 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,918 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,414 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,495 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 84,894 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,167 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 73,069 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 87,027 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,253 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 19,759 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 207,950 |
