| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,518 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,757 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,242 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,628 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,580 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,820 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,770 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,320 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,476 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,582 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,642 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,673 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,503 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,308 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,080 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,029 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,895 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,065 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,682 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,794 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,421 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,640 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,067 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,146 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,933 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,756 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,621 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,478 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,918 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,362 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,069 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,703 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,822 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,288 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,536 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,685 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,490 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,196 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,161 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,499 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,694 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,920 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,584 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,390 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,024 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,756 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,820 |
| Largest City by Island | 0 | - | 4.87 | 72,551 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,479 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,819 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,230 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,421 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,592 |
| Megacities on a World Map | 0 | - | 4.98 | 257,365 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,103 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,774 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,825 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,819 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,561 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,722 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,399 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,813 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,100 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,674 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,335 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,440 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,409 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,024 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,514 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,589 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,751 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,079 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,359 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,021 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,239 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,211 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,741 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,619 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,833 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,526 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,554 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,068 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,586 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,824 |
| Biggest Cities in France | 0 | - | 4.72 | 225,574 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,337 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,338 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,338 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,943 |
| Biggest Cities in China | 0 | - | 4.53 | 160,152 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,502 |
| Biggest Cities in India | 0 | - | 4.64 | 68,111 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,673 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,185 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,177 |
| Biggest City by Region | 0 | - | 4.50 | 36,415 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,366 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,953 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,326 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,457 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,601 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,597 |
| Cities of Ireland | 0 | - | 4.51 | 50,952 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,270 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,003 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,529 |
| Biggest Cities in History | 0 | - | 4.52 | 90,678 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,173 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,607 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,102 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,469 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,638 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,193 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,029 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,554 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,695 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,439 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,440 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,727 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,724 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,214 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,668 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,221 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,228 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,049 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,661 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,194 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,836 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,947 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,408 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,200 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,195 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,719 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,151 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,456 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,934 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,586 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,957 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,904 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,782 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,679 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,617 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,501 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,287 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,327 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,739 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,889 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,125 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,164 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,061 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,115 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,931 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,809 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,000 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,902 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,863 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,559 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,443 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,907 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,769 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,881 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,451 |
| Countries with Megacities | 0 | - | 4.99 | 267,736 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,096 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,305 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,432 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,409 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,625 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,139 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,217 |
| Biggest Cities in California | 0 | - | 4.35 | 140,503 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,457 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,954 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,559 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,445 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,871 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,011 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,789 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,304 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,958 |
| Which City in Canada? | 0 | - | 4.83 | 57,399 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,811 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,260 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,676 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,520 |
| U.S. State Flags | 0 | - | 4.89 | 173,346 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,226 |
| Hawaiian Islands | 0 | - | 4.83 | 42,994 |
| Rivers of the United States | 0 | - | 4.93 | 66,764 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,965 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,564 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,556 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,441 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,539 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,487 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,577 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,793 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,982 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,342 |
