| Biggest Cities in Asia | 0 | - | 4.94 | 102,839 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,710 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,629 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 110,087 |
| Biggest Cities in the World | 0 | - | 4.91 | 739,669 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 322,413 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,777 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,265 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 393,901 |
| Biggest Cities in the United States | 0 | - | 4.94 | 899,346 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 349,321 |
| Biggest City by Time Zone | 0 | - | 4.85 | 60,331 |
| Biggest City in Every Country | 0 | - | 4.98 | 88,304 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 185,588 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 100,401 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 108,408 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,889 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 211,073 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,847 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,590 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,926 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 106,132 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 64,373 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,604 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,927 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 117,358 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,072 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,007 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,507 |
| Largest City by Island | 0 | - | 4.90 | 65,010 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,190 |
| Most Populous World Capitals | 0 | - | 4.93 | 168,221 |
| Biggest European Cities by Century | 0 | - | 4.98 | 124,480 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 151,319 |
| Megacities on a World Map | 0 | - | 4.98 | 231,060 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,883 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 544,443 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,513 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 68,622 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 74,454 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 34,124 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,979 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 57,150 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 98,328 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 159,045 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,622 |
| Biggest Cities in Europe | 0 | - | 4.74 | 512,520 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 53,401 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,236 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,628 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,363 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,383 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,611 |
| Biggest Cities in Germany | 0 | - | 4.95 | 277,605 |
| Biggest Cities in China | 0 | - | 4.47 | 148,116 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,128 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,639 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 103,511 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,194 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,490 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,832 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,174 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,661 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,166 |
| Biggest Cities in India | 0 | - | 4.70 | 65,040 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,635 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,012 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,092 |
| Biggest City by Region | 0 | - | 4.49 | 34,820 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,400 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,002 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 80,505 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,077 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,259 |
| All Cities in China with Population of 1 Million | 0 | - | 4.77 | 42,060 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,889 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,647 |
| Biggest Cities in History | 0 | - | 4.50 | 84,743 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,996 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,285 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,061 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,013 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,356 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,737 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,193 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,423 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,875 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,515 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 33,783 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,377 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 35,229 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,950 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,523 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 103,070 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 116,313 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,554 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,554 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,520 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 49,063 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 39,733 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,871 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,571 |
| Biggest Cities in France | 0 | - | 4.70 | 210,856 |
| Biggest Cities in Spain | 0 | - | 4.56 | 162,240 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,230 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,906 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,049 |
| Cities of Ireland | 0 | - | 4.50 | 48,297 |
| Biggest Cities in Canada | 0 | - | 4.56 | 126,311 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,345 |
| Biggest Cities in Italy | 0 | - | 4.70 | 229,304 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,246 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,280 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,708 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,893 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,477 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,904 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,908 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,703 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,538 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 159,319 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,541 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,233 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,848 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,295 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,198 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,725 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,739 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 72,304 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,462 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 103,283 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,770 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 212,683 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,372,116 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,515 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 156,361 |
| Countries with Megacities | 0 | - | 4.99 | 215,412 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,953 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,305 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 123,391 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,116 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 267,243 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,247 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,269 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 104,159 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 61,934 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,369 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,167 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,567 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,768 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,777 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 18,695 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,284 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,316 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,599 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,500 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,832 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,953 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,634 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 122,013 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 21,109 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,739 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 81,033 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,858 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,000 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,137 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,226 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,356 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,348 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 66,883 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,755 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,943 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,471 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,530 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,204 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 95,714 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 101,358 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 75,369 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 70,715 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.25 | 70,022 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.31 | 71,338 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 134,958 |
| Biggest Cities in California | 0 | - | 4.34 | 135,080 |
| Biggest Cities in Florida | 0 | - | 4.22 | 69,741 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,694 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,075 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,330 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,407 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 24,307 |
| Countries of Europe by Population | 0 | - | 4.98 | 143,437 |
| Most Populous Countries by Year | 0 | - | 4.81 | 101,398 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,320 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,737 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,777 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,637 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,046 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,174 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 46,876 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,493 |
