| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 340,529 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,304 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 221,756 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,330 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 93,639 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,831 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,369 |
| Biggest Cities in the World | 0 | - | 4.91 | 786,765 |
| Biggest Cities in Asia | 0 | - | 4.95 | 114,418 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 55,500 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,367 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,501 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 36,608 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,017 |
| Biggest Cities in Europe | 0 | - | 4.70 | 540,189 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 46,876 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 111,750 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,156 |
| Biggest City in Every Country | 0 | - | 4.98 | 97,974 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 220,631 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,313 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 128,561 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,005 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 83,135 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,111 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 412,327 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,072 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,660 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 68,830 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,410 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,293 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 127,773 |
| Biggest Cities in the United States | 0 | - | 4.93 | 961,372 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,861 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 362,782 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,293 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,187 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.90 | 125,537 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,322 |
| Largest City by Island | 0 | - | 4.87 | 70,734 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,050 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,139 |
| Biggest European Cities by Century | 0 | - | 4.98 | 128,527 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 157,820 |
| Megacities on a World Map | 0 | - | 4.98 | 249,124 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,090 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 116,797 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 570,878 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,559 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,467 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,389 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,152 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 114,869 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,245 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 111,858 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,624 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 123,485 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 72,971 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,423 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,444 |
| Megacities on an Empty Map | 0 | - | 4.96 | 101,888 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,557 |
| Biggest Cities in France | 0 | - | 4.69 | 221,214 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,308 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,472 |
| Biggest Cities in the UK | 0 | - | 4.48 | 103,826 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,857 |
| Biggest Cities in Italy | 0 | - | 4.75 | 238,770 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,386 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,001 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,240 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,353 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,911 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,801 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,405 |
| Cities of Ireland | 0 | - | 4.51 | 50,175 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,416 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,917 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,204 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,298 |
| Biggest Cities in China | 0 | - | 4.52 | 156,305 |
| Biggest Cities in Canada | 0 | - | 4.53 | 131,428 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,718 |
| Biggest Cities in India | 0 | - | 4.70 | 67,152 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,357 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,629 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,457 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,204 |
| Biggest City by Region | 0 | - | 4.50 | 35,910 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,805 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,951 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,167 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,780 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,187 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,595 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,818 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,088 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,391 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,798 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 83,902 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,599 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,515 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,081 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,732 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,052 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 150,957 |
| Biggest Cities in History | 0 | - | 4.52 | 88,865 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,969 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,807 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,088 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,775 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,062 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,836 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,898 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 123,089 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,380 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,013 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,550 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 141,766 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,642 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.79 | 68,409 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,592 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,309 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 51,102 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,812 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,509 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,552 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,150 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,529 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 321,338 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,093 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,766 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,936 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 165,298 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,616 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,434 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,838 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,805 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,771 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,005 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,666 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,521 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,284 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,883 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 108,993 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,128 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,840 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,780 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 220,795 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,429,910 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,197 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,381 |
| Countries with Megacities | 0 | - | 4.99 | 244,904 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,267 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,453 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 134,783 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 79,344 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.28 | 114,271 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,117 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,672 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,692 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 20,042 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,808 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 161,279 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,315 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,399 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,427 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,112 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,275 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 50,228 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,828 |
| Cities in European Economic Areas on a Map | 0 | - | 4.63 | 16,404 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 126,792 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,422 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,087 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,513 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,240 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,182 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,993 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,569 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,200 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,197 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,227 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,867 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,933 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,252 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,102 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 72,977 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,192 |
| Biggest Cities in California | 0 | - | 4.35 | 138,965 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,629 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,255 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,114 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 31,999 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,495 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,444 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,000 |
| Countries of Europe by Population | 0 | - | 4.98 | 176,932 |
| Most Populous Countries by Year | 0 | - | 4.83 | 108,735 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,962 |
