| Biggest Cities in Asia | 0 | - | 4.95 | 116,417 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,815 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,361 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,876 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,432 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,993 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,467 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,640 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,245 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,692 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,744 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,446 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,096 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,113 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,690 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,346 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,704 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,795 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,727 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,395 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,232 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,557 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,095 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,010 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,310 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,563 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,666 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,670 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,144 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,258 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,651 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,299 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,279 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,879 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,814 |
| Largest City by Island | 0 | - | 4.87 | 71,564 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,690 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,523 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,138 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,913 |
| Megacities on a World Map | 0 | - | 4.98 | 252,864 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,958 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,402 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,134 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,581 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,143 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,463 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,333 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,969 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,974 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,962 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,881 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,452 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,384 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,588 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,858 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,901 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,866 |
| Biggest Cities in China | 0 | - | 4.52 | 158,069 |
| Biggest Cities in India | 0 | - | 4.63 | 67,604 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,791 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,276 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,753 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,355 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,792 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,106 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,335 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,214 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 50,795 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,137 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,262 |
| Biggest Cities in France | 0 | - | 4.70 | 223,400 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,707 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,862 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,739 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,004 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,584 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,133 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,555 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,635 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,331 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,029 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,891 |
| Biggest City by Region | 0 | - | 4.50 | 36,100 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,028 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,136 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,308 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,140 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,343 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,978 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,205 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,397 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,494 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,428 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,306 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,932 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,749 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,883 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,758 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,319 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,083 |
| Cities of Ireland | 0 | - | 4.51 | 50,535 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,151 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,969 |
| Biggest Cities in History | 0 | - | 4.52 | 89,943 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,254 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,324 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,386 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,358 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,259 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,095 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,923 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,036 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,395 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,114 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,445 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,026 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,790 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,944 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,708 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,440 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,775 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,979 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,092 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,602 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,064 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,533 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,761 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,141 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,596 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,980 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,530 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,018 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,251 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,743 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,524 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,205 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,087 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,126 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,490 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,195 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,547 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,023 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,795 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,928 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,107 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,018 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,561 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,003 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,384 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,704 |
| Countries with Megacities | 0 | - | 4.99 | 249,813 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,530 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,794 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,861 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,785 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,916 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,171 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,353 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,846 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,807 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,903 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,413 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,115 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,935 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,278 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,977 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,557 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,110 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,739 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,975 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,415 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,571 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,437 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,195 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,547 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,194 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,253 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,814 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,762 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,337 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,923 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,147 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,368 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,423 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,588 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,412 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,348 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,565 |
| Biggest Cities in California | 0 | - | 4.35 | 139,628 |
| Biggest Cities in Florida | 0 | - | 4.24 | 71,990 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,577 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,336 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,205 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,706 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,180 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,146 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,822 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,242 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,443 |
