| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,258 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,439 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,721 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,771 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,484 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,527 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,213 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,254 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,007 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,305 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,561 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,288 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,474 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,633 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,653 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,881 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,838 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,009 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,474 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,452 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,508 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,569 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,572 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,572 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,047 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,783 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,153 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,736 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,671 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,506 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,785 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,527 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,756 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,433 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,844 |
| Largest City by Island | 0 | - | 4.87 | 71,034 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,388 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,534 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,286 |
| Megacities on a World Map | 0 | - | 4.98 | 250,922 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,274 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,228 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,184 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,790 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,860 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,699 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,611 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,165 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,719 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,868 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,136 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,143 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,647 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,822 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,240 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,021 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,120 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,755 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,475 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,245 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,495 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,923 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,815 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,294 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,940 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,009 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,056 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,470 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,993 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,115 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,275 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,591 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,937 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,011 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,107 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,028 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,908 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,971 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,905 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,903 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,698 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,895 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,016 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,220 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,917 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,254 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,727 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,961 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,221 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,310 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,993 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,855 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,256 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,550 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,760 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,380 |
| Biggest Cities in History | 0 | - | 4.52 | 89,124 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,118 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,182 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,002 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,195 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 35,998 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,494 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,954 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,590 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,898 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,164 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,983 |
| US States Quiz | 0 | - | 5.00 | 16,699,104 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,424 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,775 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,790 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,518 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,017 |
| Biggest Cities in France | 0 | - | 4.69 | 222,016 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,820 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,647 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,441 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,555 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,143 |
| Biggest Cities in China | 0 | - | 4.53 | 157,003 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,948 |
| Biggest Cities in India | 0 | - | 4.70 | 67,328 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,425 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,602 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,964 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,776 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,305 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,859 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,450 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,643 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,665 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,463 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,924 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,911 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,212 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,716 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,773 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,419 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,580 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,334 |
| Cities of Ireland | 0 | - | 4.51 | 50,325 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,093 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,284 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,394 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,937 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,884 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,344 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,439 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,922 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,903 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,585 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,135 |
| Countries with Megacities | 0 | - | 4.99 | 246,794 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,056 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,934 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,479 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,823 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,850 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,217 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,747 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,724 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,379 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,807 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,839 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,755 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,585 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,624 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,765 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,432 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,513 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,070 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,411 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,803 |
| US States with an Empty Map | 0 | - | 5.00 | 618,781 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,701 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,576 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,925 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,386 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,645 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,536 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,880 |
| Cities in European Economic Areas on a Map | 0 | - | 4.68 | 16,951 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,773 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,343 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,306 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,437 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,902 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,569 |
| Rivers of the United States | 0 | - | 4.93 | 65,507 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,682 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,859 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,655 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,052 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,548 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,108 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,824 |
