| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,461 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,843 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,970 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,718 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,571 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,648 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,953 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,669 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,728 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,638 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,419 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,578 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,382 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,749 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,658 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,200 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,919 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,350 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,620 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,237 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,904 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,028 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,809 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,540 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,138 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,860 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,773 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,788 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,705 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,805 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,541 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,301 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,802 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,224 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,038 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,311 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,859 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,875 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,768 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,043 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,969 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,771 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,924 |
| Biggest Cities by Language | 0 | - | 4.96 | 242,456 |
| Largest City by Island | 0 | - | 4.87 | 71,187 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,483 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,719 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,563 |
| Megacities on a World Map | 0 | - | 4.98 | 251,502 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,510 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,148 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,911 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,029 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,093 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,265 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,368 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,063 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,196 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,785 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,717 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,985 |
| Megacities on an Empty Map | 0 | - | 4.96 | 107,738 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,732 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,979 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,519 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,425 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,688 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,991 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,344 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,137 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,599 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,185 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,320 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,671 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,165 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,090 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,078 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,283 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,009 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,034 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,937 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,771 |
| Biggest City by Region | 0 | - | 4.50 | 36,028 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,940 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,059 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,248 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,971 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,964 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,971 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,283 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,569 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,306 |
| Biggest Cities in History | 0 | - | 4.52 | 89,229 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,169 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,339 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,091 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,881 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,236 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,234 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,080 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,611 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,973 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,910 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,981 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,917 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,660 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,109 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,744 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,069 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,475 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,134 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,250 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,550 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,842 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,099 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,907 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,634 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,086 |
| Biggest Cities in France | 0 | - | 4.69 | 222,694 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,097 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,715 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,530 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,303 |
| Biggest Cities in China | 0 | - | 4.53 | 157,308 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,007 |
| Biggest Cities in India | 0 | - | 4.70 | 67,399 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,808 |
| US States Quiz | 0 | - | 5.00 | 16,731,534 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,019 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,243 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,355 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,888 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,694 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,484 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,291 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,396 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,476 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,836 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,752 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,904 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,463 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,633 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,795 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,027 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,404 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,113 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,405 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,593 |
| Biggest Cities in California | 0 | - | 4.35 | 139,325 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,842 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,439 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,226 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,126 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,602 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,711 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,072 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,751 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,774 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,047 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,139 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,745 |
| Countries with Megacities | 0 | - | 4.99 | 247,854 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,619 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,260 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,007 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,209 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,871 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,788 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,755 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,407 |
| Cities of Ireland | 0 | - | 4.51 | 50,388 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,852 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,861 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,977 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,849 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,726 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,917 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,583 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,652 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,207 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,584 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,855 |
| US States with an Empty Map | 0 | - | 5.00 | 619,783 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,946 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,749 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,156 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,435 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,242 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,095 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,369 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,092 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,587 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,870 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,456 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,817 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,585 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,907 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,106 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,568 |
