| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,200 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,505 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,875 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,966 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,975 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,182 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,352 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,377 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,038 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,297 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,347 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,982 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,752 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,719 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,021 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,389 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,463 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,417 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,844 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,812 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,145 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,339 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,598 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,680 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,564 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,177 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,597 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,268 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,872 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,557 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,317 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,625 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,142 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,313 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,140 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,902 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,800 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,929 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,474 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,445 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,498 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,838 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,545 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,485 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,548 |
| Largest City by Island | 0 | - | 4.87 | 72,378 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,375 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,609 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,073 |
| Megacities on a World Map | 0 | - | 4.98 | 256,615 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,720 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,575 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,028 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,424 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,559 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,229 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,478 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,281 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,904 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,749 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,564 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,105 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,391 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,175 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,280 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,946 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,952 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,024 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,151 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,988 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,517 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,158 |
| Biggest Cities in California | 0 | - | 4.35 | 140,332 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,354 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,890 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,526 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,390 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,812 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,949 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,618 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,277 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,082 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,320 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,030 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,721 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,737 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,458 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,532 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,347 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,018 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,353 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,666 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,454 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,727 |
| Biggest Cities in France | 0 | - | 4.70 | 225,157 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,020 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,245 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,246 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,745 |
| Biggest Cities in China | 0 | - | 4.53 | 159,727 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,424 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,426 |
| Biggest Cities in India | 0 | - | 4.64 | 68,024 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,211 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,955 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,706 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,037 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,631 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,133 |
| Biggest City by Region | 0 | - | 4.50 | 36,371 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,310 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,598 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,520 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,845 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,296 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,429 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,511 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,728 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,553 |
| Cities of Ireland | 0 | - | 4.51 | 50,880 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,253 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,713 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,991 |
| Biggest Cities in History | 0 | - | 4.52 | 90,533 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,890 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,563 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,073 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,586 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,267 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,665 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,365 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,159 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,269 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,286 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,890 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,018 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,058 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,052 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,719 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,268 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,481 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,982 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,149 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,073 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,118 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,896 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,516 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,003 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,658 |
| Hawaiian Islands | 0 | - | 4.83 | 42,914 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,911 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,553 |
| US States and State Capitals | 0 | - | 4.99 | 165,011 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,861 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,891 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,781 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,166 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,685 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,133 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,901 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,869 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,467 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,140 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,620 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,266 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,907 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,175 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,104 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,236 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,031 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,078 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,765 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,905 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,713 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,517 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,482 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,981 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,005 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,726 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,752 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,464 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,286 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,780 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,646 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,814 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,933 |
| Countries with Megacities | 0 | - | 4.99 | 266,676 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,636 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,991 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,942 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,109 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,462 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,101 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,701 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,013 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,372 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,259 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,871 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,569 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,844 |
