| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,869 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,226 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,191 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,536 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,912 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,747 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,476 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,992 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,384 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,442 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,160 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,486 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,412 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,839 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,942 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,505 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,565 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,141 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,280 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,541 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,710 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,408 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,818 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,774 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,074 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,309 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,475 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,653 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,155 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,838 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,543 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,606 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,125 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,282 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,097 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,388 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,136 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,936 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,901 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,150 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,351 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,283 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,355 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,975 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,818 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,460 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,505 |
| Largest City by Island | 0 | - | 4.87 | 72,361 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,366 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,578 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,055 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,306 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,463 |
| Megacities on a World Map | 0 | - | 4.98 | 256,532 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,023 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,712 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,705 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,556 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,329 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,966 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,348 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,526 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,886 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,660 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,083 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,357 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,144 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,951 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,433 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,483 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,704 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,780 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,271 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,937 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,152 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,064 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,210 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,559 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,725 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,453 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,948 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,651 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,440 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,717 |
| Biggest Cities in France | 0 | - | 4.70 | 225,094 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,986 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,231 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,232 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,722 |
| Biggest Cities in China | 0 | - | 4.53 | 159,696 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,421 |
| Biggest Cities in India | 0 | - | 4.64 | 68,012 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,171 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,017 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,627 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,129 |
| Biggest City by Region | 0 | - | 4.50 | 36,367 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,302 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,526 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,834 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,291 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,427 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,503 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,547 |
| Cities of Ireland | 0 | - | 4.51 | 50,872 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,251 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,675 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,977 |
| Biggest Cities in History | 0 | - | 4.52 | 90,519 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,861 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,559 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,069 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,937 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,581 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,144 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,981 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,504 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,519 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,338 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,382 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,958 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,661 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,628 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,151 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,539 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,048 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,098 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,878 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,492 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,977 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,623 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,908 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,599 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,093 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,162 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,681 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,131 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,202 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,900 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,511 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,856 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,754 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,722 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,499 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,466 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,415 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,222 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,966 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,608 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,095 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,836 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,868 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,029 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,072 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,902 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,702 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,978 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,689 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,739 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,449 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,253 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,748 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,484 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,806 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,869 |
| Countries with Megacities | 0 | - | 4.99 | 266,542 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,576 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,956 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,869 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,062 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,445 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,101 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 18,054 |
| Biggest Cities in California | 0 | - | 4.35 | 140,306 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,349 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,881 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,514 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,382 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,805 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,943 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,602 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,272 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,708 |
| Which City in Canada? | 0 | - | 4.83 | 57,314 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,604 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,995 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,513 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,388 |
| U.S. State Flags | 0 | - | 4.89 | 172,451 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,010 |
| Hawaiian Islands | 0 | - | 4.83 | 42,899 |
| Rivers of the United States | 0 | - | 4.93 | 66,584 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,378 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,477 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,351 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,231 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,594 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,830 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,277 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,547 |
