| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,856 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,108 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,414 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,263 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,915 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,939 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,123 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,068 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,338 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,794 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,654 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,343 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,708 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,741 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,304 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,057 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,808 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,554 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,119 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,295 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,614 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,930 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,640 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,638 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,194 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,180 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,452 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,054 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,293 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,694 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,419 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,253 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,532 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,581 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,635 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,120 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,214 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,541 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,701 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,282 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,068 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,560 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,775 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,723 |
| Largest City by Island | 0 | - | 4.87 | 71,523 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,661 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,472 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,088 |
| Megacities on a World Map | 0 | - | 4.98 | 252,669 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,919 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,085 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,095 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,522 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,860 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,547 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,899 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,187 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,543 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,543 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,863 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,331 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,786 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,627 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,534 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,623 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,082 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,328 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,823 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,084 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,019 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,409 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,734 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,338 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,447 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,089 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,305 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,199 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,428 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,328 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,085 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,296 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,017 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,878 |
| Biggest City by Region | 0 | - | 4.50 | 36,088 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,021 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,129 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,074 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,101 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,121 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,334 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,923 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,468 |
| Biggest Cities in History | 0 | - | 4.52 | 89,906 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,246 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,418 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,284 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,930 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,313 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,343 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,231 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,774 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,016 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,219 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,094 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,004 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,975 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,354 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,064 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,394 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,961 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,677 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,339 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,746 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,969 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,351 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,105 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,834 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,235 |
| Biggest Cities in France | 0 | - | 4.70 | 223,292 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,623 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,840 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,716 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,963 |
| Biggest Cities in China | 0 | - | 4.52 | 157,922 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,118 |
| Biggest Cities in India | 0 | - | 4.70 | 67,575 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,468 |
| US States Quiz | 0 | - | 5.00 | 16,803,554 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,449 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,687 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,798 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,969 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,013 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,733 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,518 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,459 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,577 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,524 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,186 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,784 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,148 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,529 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,721 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,960 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,182 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,147 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,737 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,877 |
| Biggest Cities in California | 0 | - | 4.35 | 139,599 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,966 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,562 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,324 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,193 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,692 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,149 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,133 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,467 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,374 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,335 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,213 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,572 |
| Countries with Megacities | 0 | - | 4.99 | 249,572 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,418 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,723 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,762 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,688 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,912 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,838 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,803 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,487 |
| Cities of Ireland | 0 | - | 4.51 | 50,517 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,910 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,887 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,347 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,074 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,901 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,220 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,916 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,571 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,517 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,991 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,037 |
| US States with an Empty Map | 0 | - | 5.00 | 622,112 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,533 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,229 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,689 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,540 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,523 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,383 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,108 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,478 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,167 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,206 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,760 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,066 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,714 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,967 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,175 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,378 |
