| Biggest Cities in the World | 0 | - | 4.91 | 792,515 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,861 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,980 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,135 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,753 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,225 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,097 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,834 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,765 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,679 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,882 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,279 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,372 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,901 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,929 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,921 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,071 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,551 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,385 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,085 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,207 |
| Largest City by Island | 0 | - | 4.87 | 71,253 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,518 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,797 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,714 |
| Megacities on a World Map | 0 | - | 4.98 | 251,735 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,520 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,948 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,156 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,227 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,336 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,451 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,758 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,902 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,253 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,885 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,657 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,264 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,260 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,478 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,633 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,214 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,934 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,921 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,146 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,149 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,532 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,652 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,597 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,894 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,033 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,820 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,704 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,830 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,562 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,323 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,986 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,028 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,088 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,950 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,790 |
| Biggest City by Region | 0 | - | 4.50 | 36,038 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,962 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,736 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,066 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,259 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,991 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,986 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,005 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,029 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,292 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,048 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,910 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,053 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,804 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,463 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,011 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,472 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,183 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,964 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,626 |
| Biggest Cities in History | 0 | - | 4.52 | 89,261 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,180 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,242 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,520 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,153 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,260 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,128 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,023 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,338 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,724 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,162 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,808 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,138 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,673 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,188 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,696 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,180 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,110 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,139 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,084 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,323 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,739 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,436 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,899 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,532 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,991 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,901 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,700 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,491 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,326 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,938 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,828 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,978 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,450 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,637 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,002 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,779 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,332 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,879 |
| Countries with Megacities | 0 | - | 4.99 | 248,122 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,762 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,340 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,148 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,283 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,121 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,799 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,047 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,897 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,761 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,980 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,643 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,068 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,450 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,334 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,354 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,857 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,891 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,434 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,768 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,677 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,915 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,217 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,586 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,866 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,944 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,147 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,946 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,663 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,108 |
| Biggest Cities in France | 0 | - | 4.69 | 222,796 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,194 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,731 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,560 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,574 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,351 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,629 |
| Biggest Cities in China | 0 | - | 4.52 | 157,406 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,028 |
| Biggest Cities in India | 0 | - | 4.70 | 67,432 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,926 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,867 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,603 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,625 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,792 |
| Rivers of the United States | 0 | - | 4.93 | 65,692 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,289 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,148 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,536 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,146 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,622 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,944 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,512 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,698 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,756 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,627 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,640 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,165 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,207 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,455 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,270 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,184 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,419 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,438 |
| Which City in Canada? | 0 | - | 4.82 | 56,796 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,661 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,782 |
| U.S. State Flags | 0 | - | 4.89 | 168,066 |
| Hawaiian Islands | 0 | - | 4.83 | 42,503 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,091 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,158 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,739 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,565 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,261 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,651 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,187 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,610 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,780 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,493 |
