| Biggest Cities in Asia | 0 | - | 4.94 | 98,291 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,476 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,765 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,607 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 105,186 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,696 |
| Biggest Cities in the World | 0 | - | 4.90 | 703,189 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,082 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,179 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,866 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,433 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,031 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,497 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,386 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,320 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,710 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,856 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,412 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,433 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,477 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,980 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,012 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,018 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,373 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,925 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,006 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,788 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,617 |
| Biggest Cities in the United States | 0 | - | 4.93 | 849,558 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 338,751 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,234 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,485 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,387 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,392 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,591 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,613 |
| Megacities on a World Map | 0 | - | 4.98 | 223,791 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,785 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 523,290 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,938 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,745 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,940 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,233 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,832 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,108 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,422 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,672 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,687 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,581 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,783 |
| Biggest Cities in Europe | 0 | - | 4.75 | 489,819 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,824 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,704 |
| Biggest Cities in China | 0 | - | 4.55 | 141,854 |
| Biggest Cities in India | 0 | - | 4.71 | 63,323 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,455 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,677 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,842 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,499 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,608 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 30,771 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,687 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,563 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,714 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,645 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,298 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,635 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,645 |
| Biggest Cities in France | 0 | - | 4.71 | 203,240 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,368 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,216 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,103 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,213 |
| Cities of Ireland | 0 | - | 4.48 | 45,997 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,481 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,143 |
| Biggest Cities in Italy | 0 | - | 4.66 | 221,542 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,121 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,301 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,388 |
| Biggest City by Region | 0 | - | 4.50 | 34,065 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,055 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,684 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,029 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,453 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,210 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 34,983 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,797 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,574 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,377 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,352 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 78,966 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,224 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,858 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,414 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,522 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 23,002 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,530 |
| Biggest City by Island | 0 | - | 4.57 | 46,124 |
| Biggest Cities in History | 0 | - | 4.50 | 81,910 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,573 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,652 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 65,172 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,304 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,091 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,892 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,141 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,141 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,426 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,356 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,331 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 131,010 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 116,403 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,087 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 46,712 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,216 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,422 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,800 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,901 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,620 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,706 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,680 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,257 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,933 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,152 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,850 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,393 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,445 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,234 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,884 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,243 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,025 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,206 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,590 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,552 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 206,112 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,329,427 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,501 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,138 |
| Countries with Megacities | 0 | - | 4.99 | 201,988 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,497 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,017 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,322 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,953 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,230 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,806 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,936 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 95,337 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,998 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,176 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,666 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,231 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,978 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,491 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,123 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,046 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,557 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,928 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,687 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,605 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,637 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,152 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,484 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,457 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,628 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,288 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,317 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,374 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,590 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,764 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,367 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,952 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,541 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,472 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 83,898 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,530 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,240 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,848 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,141 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,458 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,438 |
| Biggest Cities in California | 0 | - | 4.35 | 132,057 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,209 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,514 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,190 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,298 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,535 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,724 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,461 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,864 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,400 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,454 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 84,801 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,119 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 73,022 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 87,001 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,234 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 19,745 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 207,886 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,967 |
