| Biggest Cities in Asia | 0 | - | 4.95 | 117,493 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,256 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,664 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,207 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,312 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,709 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,825 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,008 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,149 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,253 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,248 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,696 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,314 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,334 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,830 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,455 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,296 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,250 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,920 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 146,283 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,310 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,987 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,894 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,157 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,490 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,275 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,857 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,379 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,912 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,016 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,402 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,076 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,005 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,180 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,130 |
| Largest City by Island | 0 | - | 4.87 | 72,135 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,233 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,315 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,850 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,647 |
| Megacities on a World Map | 0 | - | 4.98 | 255,633 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,636 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,930 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,566 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,281 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,412 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,125 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,611 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,591 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,421 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,824 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,339 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,706 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,067 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,647 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,576 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,830 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,290 |
| Biggest Cities in China | 0 | - | 4.53 | 159,215 |
| Biggest Cities in India | 0 | - | 4.64 | 67,898 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,865 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,118 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,768 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,051 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,529 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,869 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,620 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,388 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,170 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,490 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,582 |
| Biggest Cities in France | 0 | - | 4.70 | 224,593 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,603 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,123 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,081 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,529 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,159 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,331 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,629 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,853 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,814 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,585 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,065 |
| Biggest City by Region | 0 | - | 4.50 | 36,301 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,217 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,243 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,398 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,881 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,479 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,257 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,441 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,828 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,523 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,699 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,036 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,931 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,073 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,911 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,454 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,286 |
| Cities of Ireland | 0 | - | 4.51 | 50,759 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,216 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,203 |
| Biggest Cities in History | 0 | - | 4.52 | 90,349 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,420 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,507 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,790 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,567 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,521 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,274 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,082 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,598 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,836 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,645 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,248 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,685 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,368 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,219 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,939 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,647 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,346 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,241 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,273 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,677 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,615 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,406 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,519 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,533 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,303 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,945 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,104 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,639 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,935 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,864 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,578 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,427 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,340 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,387 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,752 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,576 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,653 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,108 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,302 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,317 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,312 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,152 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,540 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,461 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,284 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,127 |
| Countries with Megacities | 0 | - | 4.99 | 265,112 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,943 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,602 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,204 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,671 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,993 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,725 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,494 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,015 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,869 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,699 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,955 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,045 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,488 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,266 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,006 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,509 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,748 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,222 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,066 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,856 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,129 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,018 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,381 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,263 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,634 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,828 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,290 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,893 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,422 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,313 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,539 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,651 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,714 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,806 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,580 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,553 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,780 |
| Biggest Cities in California | 0 | - | 4.35 | 140,110 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,239 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,785 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,451 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,316 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,728 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,862 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,473 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,221 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,775 |
