| Biggest Cities in Asia | 0 | - | 4.94 | 98,439 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,559 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,918 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 105,379 |
| Biggest Cities in the World | 0 | - | 4.90 | 704,515 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,186 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 379,048 |
| Biggest Cities in the United States | 0 | - | 4.93 | 850,819 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 339,130 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,177 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,726 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,772 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,574 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,970 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 67,047 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,664 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,601 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 67,130 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,065 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,519 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,633 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 61,031 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,055 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,928 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,890 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,736 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,346 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,699 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,430 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,706 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,701 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 145,016 |
| Megacities on a World Map | 0 | - | 4.98 | 224,021 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,841 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 524,129 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 61,008 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,899 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 71,054 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,426 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,944 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,407 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,940 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,940 |
| Biggest Cities in Europe | 0 | - | 4.75 | 490,907 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,739 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,798 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,759 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,959 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,560 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,569 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,906 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,748 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 96,681 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,592 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 68,719 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 30,998 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,666 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,706 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,337 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,704 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,793 |
| Biggest Cities in China | 0 | - | 4.55 | 142,138 |
| Biggest Cities in India | 0 | - | 4.71 | 63,416 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,187 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,349 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,419 |
| Biggest City by Region | 0 | - | 4.50 | 34,103 |
| Most Populous 2nd Cities | 0 | - | 4.76 | 54,117 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,705 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,171 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,692 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,480 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,709 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,932 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,627 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,460 |
| Biggest City by Island | 0 | - | 4.57 | 46,165 |
| Biggest Cities in History | 0 | - | 4.50 | 82,023 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,622 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,400 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 79,031 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,364 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,688 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,915 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,462 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,573 |
| Biggest World Cities in 1850 | 0 | - | 4.64 | 65,241 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,357 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,771 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,300 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,542 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,495 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,504 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 131,212 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 116,576 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,137 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 47,017 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,321 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,731 |
| Biggest Cities in France | 0 | - | 4.72 | 203,668 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,612 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,301 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,175 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,575 |
| Cities of Ireland | 0 | - | 4.49 | 46,728 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,661 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,186 |
| Biggest Cities in Italy | 0 | - | 4.70 | 221,889 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,065 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,781 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,721 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,290 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,163 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,417 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,464 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,255 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,909 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,825 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,961 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 155,018 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,935 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,310 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,119 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.49 | 21,253 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,291 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 35,071 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 67,171 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 23,027 |
| Biggest World Cities A-Z | 0 | - | 4.58 | 206,415 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,331,014 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,819 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,384 |
| Countries with Megacities | 0 | - | 4.99 | 202,310 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,756 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,166 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,538 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,127 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,676 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,822 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 38,000 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 95,709 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 53,023 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,362 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,698 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,363 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,194 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,916 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,171 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,620 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,994 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,590 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,710 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,226 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,137 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,818 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 118,112 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,735 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,273 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,613 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,701 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,759 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,379 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,474 |
| Countries by Population Range - Tile Select | 0 | - | 4.84 | 51,457 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,632 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,679 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,379 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,480 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,620 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,779 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,983 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,615 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,686 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,593 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 84,032 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,670 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,341 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,955 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,207 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,506 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,897 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,492 |
| Biggest Cities in California | 0 | - | 4.35 | 132,195 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,267 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,561 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,222 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,335 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,681 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,745 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,921 |
| Most Populous Countries by Year | 0 | - | 4.81 | 96,032 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,458 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,592 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,117 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,229 |
| Densest Countries Bordering Each Other | 0 | - | 4.94 | 73,162 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 87,069 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,293 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 19,776 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 208,086 |
