| Biggest Cities in the World | 0 | - | 4.92 | 803,247 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,689 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,768 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,320 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,353 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,600 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,713 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,665 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,995 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,394 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,636 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,542 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,670 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,135 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,763 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,498 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,251 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,037 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,393 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,680 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,419 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,076 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,499 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,024 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,150 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,736 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,924 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,412 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,606 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,335 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,351 |
| Largest City by Island | 0 | - | 4.87 | 72,244 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,305 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,453 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,963 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,797 |
| Megacities on a World Map | 0 | - | 4.98 | 256,091 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,773 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,986 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,647 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,638 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,424 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,889 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,250 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,802 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,700 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,672 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,360 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,779 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,151 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,411 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,960 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,200 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,967 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,368 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,857 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,319 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,219 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,877 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,607 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,679 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,424 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,607 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,566 |
| Biggest Cities in France | 0 | - | 4.70 | 224,864 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,795 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,641 |
| Biggest Cities in China | 0 | - | 4.53 | 159,485 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,920 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,982 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,907 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,933 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,604 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,092 |
| Biggest City by Region | 0 | - | 4.50 | 36,330 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,252 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,269 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,412 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,456 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,508 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,497 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,916 |
| Biggest Cities in History | 0 | - | 4.52 | 90,436 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,679 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,541 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,765 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,050 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,480 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,544 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,109 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,950 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,487 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,335 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,613 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,582 |
| Cities of Ireland | 0 | - | 4.51 | 50,813 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,000 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,857 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,993 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,792 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,373 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,847 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,511 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,259 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,978 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,677 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,435 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,293 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,879 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,308 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,361 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,654 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,179 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,165 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,280 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,386 |
| Biggest Cities in India | 0 | - | 4.64 | 67,950 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,692 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,722 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,145 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,128 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,115 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,885 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 29,908 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,804 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,024 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,662 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,087 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,474 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,376 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,442 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,897 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,676 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,689 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,990 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,320 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,492 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,238 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,401 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,384 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,746 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,089 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,678 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,422 |
| Countries with Megacities | 0 | - | 4.99 | 265,807 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,217 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,748 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,478 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,832 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,016 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,960 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,529 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,045 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,884 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,735 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,316 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,126 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,370 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,972 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,179 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,548 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,648 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,376 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,154 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,640 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,785 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,258 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,117 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,601 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,425 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,725 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,969 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,391 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,352 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,084 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,960 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,690 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,917 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,443 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,126 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,393 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,622 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,717 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,766 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,843 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,620 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,598 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,820 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,467 |
| Biggest Cities in California | 0 | - | 4.35 | 140,209 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,282 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,825 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,495 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,356 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,773 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,897 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,557 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,241 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,248 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,117 |
