| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 155,152 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,729 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,795 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,340 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 332,376 |
| Biggest Cities in the World | 0 | - | 4.91 | 766,469 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,036 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,264 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,337 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,542 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,672 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,744 |
| Biggest Cities in Washington State | 0 | - | 4.42 | 35,163 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,282 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,352 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,390 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,640 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,237 |
| Biggest Cities in the United States | 0 | - | 4.94 | 935,054 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 357,284 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,495 |
| Biggest City in Every Country | 0 | - | 4.98 | 93,226 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 194,142 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,861 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 114,303 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,239 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,859 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,078 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,325 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,873 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,992 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,421 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,260 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,264 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 559,751 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,521 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,327 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,740 |
| Largest City by Island | 0 | - | 4.89 | 68,845 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,704 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,851 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,552 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,607 |
| Megacities on a World Map | 0 | - | 4.98 | 236,298 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,236 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,255 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,375 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,495 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 35,342 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 103,066 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,777 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,686 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,390 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,061 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,742 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,080 |
| Biggest Cities in Europe | 0 | - | 4.74 | 528,820 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,757 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,166 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,613 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,588 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,468 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 67,432 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,868 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,053 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,014 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,050 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,640 |
| Biggest Cities in California | 0 | - | 4.34 | 137,407 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,820 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,640 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,342 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,886 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,502 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,350 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,151 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,063 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,246 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,151 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,977 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,841 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 26,632 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 24,638 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,150 |
| Biggest Cities in Alaska | 0 | - | 4.28 | 25,295 |
| Biggest Cities in Illinois | 0 | - | 4.34 | 26,309 |
| Biggest Cities in Louisiana | 0 | - | 4.14 | 19,513 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 29,818 |
| Biggest Cities in Missouri | 0 | - | 4.23 | 16,993 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,479 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,300 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,645 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,759 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,042 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,573 |
| Biggest City by Region | 0 | - | 4.50 | 35,426 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,258 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 36,975 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,735 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,549 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,824 |
| Two Largest Cities by First Two Letters | 0 | - | 4.55 | 81,896 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,788 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,686 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,604 |
| Biggest Cities in History | 0 | - | 4.52 | 87,459 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,319 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,858 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,486 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,528 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 110,253 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,630 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,892 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,412 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,321 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,066 |
| Biggest Cities in Japan | 0 | - | 4.65 | 81,192 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,896 |
| Biggest Cities in France | 0 | - | 4.72 | 217,116 |
| Biggest Cities in Spain | 0 | - | 4.63 | 166,216 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,618 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,346 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,737 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,584 |
| Biggest Cities in China | 0 | - | 4.48 | 152,834 |
| Cities of Ireland | 0 | - | 4.50 | 49,358 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,299 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,242 |
| Biggest Cities in India | 0 | - | 4.70 | 66,265 |
| Biggest Cities in Italy | 0 | - | 4.75 | 234,816 |
| Biggest Cities in Arizona | 0 | - | 4.29 | 30,821 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 33,692 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 121,194 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,739 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 106,061 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 119,250 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 139,508 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,468 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,413 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,738 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,901 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,655 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,364 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,033 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,757 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,725 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,294 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,215 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,017 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,887 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,819 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,914 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,785 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,087 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,451 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,358 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,369 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.83 | 54,566 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,403,305 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,367 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,701 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,015 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,782 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,568 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,496 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,457 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,356 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,608 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 159,053 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,842 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,844 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 123,480 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 125,103 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,331 |
| Countries with Megacities | 0 | - | 4.99 | 225,359 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,630 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,832 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,611 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,353 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,791 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,893 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,271 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,608 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,959 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,691 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,635 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,888 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,948 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,884 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,171 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,455 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,193 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,817 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 123,852 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,571 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 109,668 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,991 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,922 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,450 |
