| Cities of Ireland | 0 | - | 4.51 | 50,362 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,383 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,647 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,685 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,535 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,239 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,573 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,602 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,361 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,502 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,198 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,657 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,705 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,987 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,912 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,828 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,071 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,768 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,821 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,221 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,015 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,395 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,625 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,612 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,701 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,132 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,242 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,807 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,779 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,646 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,305 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,381 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,533 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,420 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,732 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,801 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,894 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,623 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,593 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,703 |
| Biggest Cities by Language | 0 | - | 4.96 | 234,266 |
| Largest City by Island | 0 | - | 4.87 | 71,114 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,435 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,640 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,288 |
| Megacities on a World Map | 0 | - | 4.98 | 251,238 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,442 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,861 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,942 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,908 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,931 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,849 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,243 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,271 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,142 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,493 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,618 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,970 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,098 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,054 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,327 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,570 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,151 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,582 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,863 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,149 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,056 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,007 |
| Biggest Cities in France | 0 | - | 4.69 | 222,558 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,003 |
| Biggest Cities in China | 0 | - | 4.53 | 157,161 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,665 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,569 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,379 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,500 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,986 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,744 |
| Biggest City by Region | 0 | - | 4.50 | 36,013 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,924 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,039 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,241 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,948 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,267 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,851 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,477 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,264 |
| Biggest Cities in History | 0 | - | 4.52 | 89,181 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,144 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,793 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,866 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,523 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,318 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,282 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,217 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,729 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,638 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,186 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,504 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,735 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,816 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,217 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,043 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,959 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,593 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,055 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,691 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,498 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,907 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,992 |
| Biggest Cities in India | 0 | - | 4.70 | 67,375 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,569 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,028 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,674 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,976 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,271 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,060 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,949 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,943 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,739 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,767 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,998 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,808 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,357 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,876 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,461 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,983 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,759 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,680 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,478 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,035 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,260 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,852 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,447 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,106 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,347 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,477 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,972 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,907 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,490 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,184 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,922 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,800 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,172 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,250 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,238 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,771 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,995 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,842 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,856 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,865 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,679 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,675 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,844 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,511 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,419 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,598 |
| Countries with Megacities | 0 | - | 4.99 | 247,511 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,438 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,186 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,855 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,115 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,758 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,892 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,561 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,959 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,806 |
| Biggest Cities in California | 0 | - | 4.35 | 139,269 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,815 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,431 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,214 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,114 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,598 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,671 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,064 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,192 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,008 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,321 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,258 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,378 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,014 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,557 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,795 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,200 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,468 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,059 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,493 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,680 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,348 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,393 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,665 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,631 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,338 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,273 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,248 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,531 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,545 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,090 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,141 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,402 |
