| Biggest Cities in Germany | 0 | - | 4.95 | 293,213 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,518 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,818 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,189 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,017 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,607 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,117 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,149 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,174 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,685 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,800 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,957 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,884 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,943 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,997 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,742 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,284 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,653 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,143 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,385 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,647 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,380 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,641 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,964 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,710 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 56,587 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,923 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,000 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,522 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,102 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,049 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,251 |
| Biggest Cities in France | 0 | - | 4.70 | 223,810 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,007 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,838 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,148 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,919 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,521 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,310 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,225 |
| Largest City by Island | 0 | - | 4.87 | 71,782 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,871 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,812 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,359 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,147 |
| Megacities on a World Map | 0 | - | 4.98 | 254,022 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,970 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,163 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,258 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,589 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,289 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,833 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,320 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,690 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,660 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,127 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,436 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,216 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,857 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,439 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,557 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,032 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,252 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,932 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,051 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,947 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,186 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,512 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,048 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,600 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,458 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,859 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,480 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,862 |
| Cities of Ireland | 0 | - | 4.51 | 50,619 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,210 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,274 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,361 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,834 |
| Biggest Cities in China | 0 | - | 4.53 | 158,408 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,969 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,716 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,479 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,068 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,948 |
| Biggest City by Region | 0 | - | 4.50 | 36,167 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,095 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,170 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,339 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,214 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,391 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,575 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,407 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,897 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,939 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,797 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,361 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,139 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,444 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,478 |
| Biggest Cities in History | 0 | - | 4.52 | 90,080 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,916 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,941 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,380 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,823 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,528 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,432 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,349 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,222 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,540 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,305 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,621 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,242 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,984 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,789 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,052 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,789 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,511 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,143 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,005 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,767 |
| Biggest Cities in India | 0 | - | 4.63 | 67,706 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,813 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,031 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,621 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,703 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,026 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,047 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,480 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,786 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,544 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,285 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,157 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,203 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,570 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,811 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,322 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,580 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,069 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,286 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,180 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,963 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,081 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,171 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,054 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,894 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,395 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,999 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,234 |
| Countries with Megacities | 0 | - | 4.99 | 262,282 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,071 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,107 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,378 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,156 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,657 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,390 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,899 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,158 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,918 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,624 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,232 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,033 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,467 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,148 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,167 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,624 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 62,549 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,997 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,554 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,619 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,170 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,267 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,824 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,631 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,585 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,776 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,333 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,454 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,009 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,802 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,369 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,053 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,059 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,279 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,469 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,533 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,667 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,470 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,428 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,647 |
| Biggest Cities in California | 0 | - | 4.35 | 139,792 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,067 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,626 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,383 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,231 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,743 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,278 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,168 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,487 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,491 |
