| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,238 |
| Biggest Cities in the World | 0 | - | 4.91 | 758,057 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 329,386 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,055 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,801 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 47,671 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,763 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 401,409 |
| Biggest Cities in the United States | 0 | - | 4.94 | 923,262 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 354,513 |
| Biggest City by Time Zone | 0 | - | 4.87 | 62,455 |
| Biggest City in Every Country | 0 | - | 4.98 | 91,609 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 191,159 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 103,481 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 112,543 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 74,174 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 214,703 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 79,886 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 130,290 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 73,913 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,899 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 108,957 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,059 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,362 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,015 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 121,547 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 554,673 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 115,598 |
| Biggest Cities by Language | 0 | - | 4.95 | 225,461 |
| Largest City by Island | 0 | - | 4.89 | 68,016 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,240 |
| Most Populous World Capitals | 0 | - | 4.93 | 170,475 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,923 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,053 |
| Megacities on a World Map | 0 | - | 4.98 | 234,540 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,455 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 112,247 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,644 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 70,522 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,084 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 36,755 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 109,716 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,673 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 101,617 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 162,137 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,204 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,008 |
| Biggest Cities in Europe | 0 | - | 4.74 | 523,869 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 98,593 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 52,333 |
| Megacities on an Empty Map | 0 | - | 4.95 | 94,061 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,718 |
| Biggest Cities in Germany | 0 | - | 4.95 | 282,479 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.81 | 21,816 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,023 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,424 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.86 | 87,436 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,868 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 91,068 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,196 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 107,013 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,682 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,341 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,843 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,443 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,905 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,551 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,466 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,394 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 173,156 |
| Biggest Cities in the UK | 0 | - | 4.47 | 100,901 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,332 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,420 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,440 |
| Biggest City by Region | 0 | - | 4.50 | 35,223 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 55,969 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,476 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,353 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,664 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 58,867 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,629 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,450 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,293 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,612 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 37,314 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,218 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 124,069 |
| Biggest Cities in History | 0 | - | 4.50 | 86,493 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,036 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,336 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,214 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,278 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,761 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,864 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,408 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 53,621 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,120 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,492 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,162 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 120,102 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,977 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,154 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,193 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,219 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 122,515 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,510 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 118,885 |
| Fastest Growing U.S. Cities | 0 | - | 4.37 | 72,145 |
| Second Biggest Cities by Country | 0 | - | 4.36 | 44,745 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,645 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,162 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,111 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,930 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,222 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,699 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,467 |
| Biggest Cities in France | 0 | - | 4.70 | 215,199 |
| Biggest Cities in Spain | 0 | - | 4.63 | 164,888 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,183 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,902 |
| Biggest Cities in China | 0 | - | 4.47 | 151,372 |
| Cities of Ireland | 0 | - | 4.50 | 49,052 |
| Biggest Cities in Canada | 0 | - | 4.56 | 128,475 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,983 |
| Biggest Cities in India | 0 | - | 4.70 | 65,862 |
| Biggest Cities in Italy | 0 | - | 4.70 | 232,768 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,386 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,527 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,322 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,393,616 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,352 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,671 |
| Countries with Megacities | 0 | - | 4.99 | 222,284 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,566 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,678 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,886 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,076 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 301,819 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,152 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,884 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 161,483 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,525 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 89,291 |
| Flags to Largest Cities | 0 | - | 4.55 | 36,359 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,644 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,670 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 105,938 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 90,345 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,515 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 215,943 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 157,990 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,164 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,273 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,334 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,263 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.40 | 47,071 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 108,438 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,085 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,194 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,156 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,925 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,037 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,550 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,841 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,422 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,151 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,540 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,307 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 55,730 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,716 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,382 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,929 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,165 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,229 |
| Countries of Europe by Population | 0 | - | 4.98 | 167,614 |
| Most Populous Countries by Year | 0 | - | 4.81 | 104,344 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 82,225 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 110,936 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,186 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,528 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 85,968 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,425 |
| Jewish Cities Quiz | 0 | - | 4.33 | 60,884 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 30,971 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,757 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,791 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,471 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 98,295 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 103,856 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,074 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.16 | 78,233 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.37 | 32,017 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 65,931 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 71,686 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,865 |
| Biggest Cities in California | 0 | - | 4.34 | 136,670 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,471 |
| Biggest Cities in New York State | 0 | - | 4.31 | 58,332 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,480 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,780 |
