| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,280 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,452 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,660 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,600 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,305 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,195 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,940 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,160 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,924 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,471 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,259 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,097 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,242 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,981 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,775 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,674 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,692 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,088 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,741 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,740 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,054 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,605 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,212 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,126 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,652 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,254 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,788 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,864 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,005 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,682 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,680 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,018 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,917 |
| Largest City by Island | 0 | - | 4.87 | 72,036 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,139 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,166 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,733 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,618 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,512 |
| Megacities on a World Map | 0 | - | 4.98 | 255,240 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,507 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,692 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,240 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,484 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,152 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,897 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,008 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,410 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,457 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,131 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,954 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,657 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,480 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,497 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,096 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,634 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,671 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,198 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,638 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,552 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,988 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,617 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,899 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,628 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,178 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,566 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,356 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,250 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,180 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,802 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,423 |
| Biggest Cities in France | 0 | - | 4.70 | 224,351 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,393 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,072 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,404 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,293 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,416 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,809 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,710 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,561 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,037 |
| Biggest City by Region | 0 | - | 4.50 | 36,274 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,187 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,222 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,376 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,282 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,336 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,349 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,867 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,453 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,759 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,507 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,023 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,330 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,046 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,886 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,443 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,235 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,678 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,002 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,739 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,449 |
| Biggest Cities in History | 0 | - | 4.52 | 90,281 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,017 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,978 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,477 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,709 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,525 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,472 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,038 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,497 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,761 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,547 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,147 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,565 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,252 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,903 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,616 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,244 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,201 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,500 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,993 |
| Biggest Cities in China | 0 | - | 4.53 | 158,961 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,025 |
| Biggest Cities in India | 0 | - | 4.64 | 67,829 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,394 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,400 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,460 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,872 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,079 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,616 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,091 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,785 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,843 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,572 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,380 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,704 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,501 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,621 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,204 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,401 |
| Cities of Ireland | 0 | - | 4.51 | 50,718 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,199 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,212 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,249 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,283 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,121 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,330 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,937 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,904 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,841 |
| Countries with Megacities | 0 | - | 4.99 | 264,456 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,708 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,451 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,963 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,517 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,485 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,466 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,994 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,234 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,943 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,931 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,406 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,191 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,741 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,409 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,717 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,073 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,053 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,653 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,786 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,661 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,347 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,038 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,898 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,150 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,122 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,543 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,718 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,205 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,862 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,408 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,093 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,236 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,470 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,605 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,660 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,772 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,552 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,521 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,738 |
| Biggest Cities in California | 0 | - | 4.35 | 140,023 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,194 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,738 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,432 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,299 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,701 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,827 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,414 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,214 |
