| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,647 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,991 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,716 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,208 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,296 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,560 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,285 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,443 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,559 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,555 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,779 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,451 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,740 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,630 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,586 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,641 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,868 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,833 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,247 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,988 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,474 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,504 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,437 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,271 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,566 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,043 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,711 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,761 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,151 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,476 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,521 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,665 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,503 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,419 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,835 |
| Largest City by Island | 0 | - | 4.87 | 71,028 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,384 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,527 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,117 |
| Megacities on a World Map | 0 | - | 4.98 | 250,909 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,204 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,164 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,788 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,854 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,816 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,702 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,230 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,134 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,287 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,939 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,007 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,049 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,462 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,009 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,103 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,991 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,485 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,379 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,530 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,275 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,755 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,107 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,923 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,911 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,027 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,902 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,578 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,470 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,902 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,903 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,221 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,693 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,307 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,894 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,850 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,855 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,225 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,696 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,219 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,917 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,610 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,164 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,250 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,866 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,549 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,754 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,533 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,469 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,242 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,423 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,723 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,774 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,997 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,921 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,784 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,515 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,017 |
| Biggest Cities in France | 0 | - | 4.69 | 222,006 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,811 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,646 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,440 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,136 |
| Biggest Cities in China | 0 | - | 4.53 | 156,999 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,808 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,946 |
| Biggest Cities in India | 0 | - | 4.70 | 67,325 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,417 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,218 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,378 |
| Biggest Cities in History | 0 | - | 4.52 | 89,118 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,117 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,181 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,191 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 35,998 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,726 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,961 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,334 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,494 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,952 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,584 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,897 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,152 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,978 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,707 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,302 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,859 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,450 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,977 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,638 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,664 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,462 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,992 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,215 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,207 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,772 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,418 |
| Cities of Ireland | 0 | - | 4.51 | 50,323 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,093 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,278 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,391 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,937 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,880 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,338 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,832 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,569 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,598 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,944 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,003 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,746 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,552 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,555 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,970 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,807 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,839 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,751 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,582 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,622 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,759 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,429 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,382 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,102 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,110 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,813 |
| Countries with Megacities | 0 | - | 4.99 | 246,756 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,881 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,864 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,038 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,464 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,916 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,461 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,579 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,808 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,247 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,644 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,644 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,878 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,256 |
| Cities in European Economic Areas on a Map | 0 | - | 4.68 | 16,946 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,937 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,468 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,477 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,035 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,085 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,368 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,191 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,108 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,313 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,770 |
| Biggest Cities in California | 0 | - | 4.35 | 139,199 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,785 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,410 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,194 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,073 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,581 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,604 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,047 |
