| Biggest Cities in Asia | 0 | - | 4.94 | 96,146 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 43,608 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 117,449 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,471 |
| Biggest Cities in the World | 0 | - | 4.89 | 688,997 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,876 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,952 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 372,068 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,887 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,836 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,302 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,657 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,278 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,606 |
| Biggest City in Every Country | 0 | - | 4.97 | 79,145 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,369 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,357 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,518 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,656 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 44,054 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,153 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 71,713 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,479 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,470 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,647 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,866 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,526 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,530 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,455 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,442 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,690 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,165 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,230 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,934 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,778 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,993 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,018 |
| Megacities on a World Map | 0 | - | 4.98 | 221,076 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,486 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,146 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,985 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,591 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,998 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,660 |
| Biggest Cities in Germany | 0 | - | 4.95 | 263,662 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,483 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,240 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,318 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,609 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,115 |
| Biggest Cities in Europe | 0 | - | 4.75 | 466,042 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,128 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,706 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,695 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,851 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,963 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,733 |
| Biggest Cities in China | 0 | - | 4.64 | 139,032 |
| Biggest Cities in India | 0 | - | 4.72 | 62,514 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,911 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,643 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,495 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,959 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,754 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,080 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,481 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,590 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,109 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,109 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,980 |
| Biggest City by Region | 0 | - | 4.49 | 33,709 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,472 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,710 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,409 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,405 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,836 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 34,028 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,067 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 33,033 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,625 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,815 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,175 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,758 |
| Biggest Cities in France | 0 | - | 4.76 | 200,055 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,848 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,321 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,198 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,691 |
| Cities of Ireland | 0 | - | 4.43 | 39,797 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,955 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,642 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,656 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,336 |
| Biggest City by Island | 0 | - | 4.57 | 45,807 |
| Biggest Cities in History | 0 | - | 4.50 | 80,401 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,028 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,282 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,194 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,391 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,632 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,657 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,497 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,788 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,400 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,015 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,852 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,735 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,087 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,927 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,642 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,249 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,007 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,702 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,041 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 152,707 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,155 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,259 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,638 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,913 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,660 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,593 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,089 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,768 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,786 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,030 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,303 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,397 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 350,022 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,457 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,018 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,081 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,315 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,843 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,395 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,475 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,403 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,960 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,152 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,348 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,589 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,832 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,109 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,830 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,286 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,118 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,904 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,979 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,451 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,113 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,565 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,269 |
| Countries with Megacities | 0 | - | 4.99 | 197,891 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,365 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,228 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 172,102 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 101,699 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,275 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,929 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,228 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,252 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,630 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,632 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,304 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,566 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,200 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,347 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,356 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,509 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,843 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 87,541 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,521 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 65,017 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,516 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,863 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 130,700 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 29,454 |
| Biggest Cities in California | 0 | - | 4.35 | 130,579 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,457 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,916 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,731 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 45,760 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,505 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,414 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,466 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,969 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,828 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,840 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,558 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,695 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,510 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,032 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,566 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 22,334 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,407 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,574 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,752 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,716 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,241 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,747 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,020 |
