| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,115 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,419 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,498 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,845 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,978 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,742 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,597 |
| Biggest Cities in India | 0 | - | 4.64 | 68,138 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,373 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,555 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,640 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,748 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,762 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,527 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,450 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,920 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,142 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,264 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,002 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,965 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,737 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,741 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,994 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,184 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,420 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,308 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,139 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,737 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,775 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,877 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,339 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,596 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,844 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,602 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,625 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,824 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,914 |
| Largest City by Island | 0 | - | 4.87 | 72,595 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,518 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,920 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,284 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,268 |
| Megacities on a World Map | 0 | - | 4.98 | 257,596 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,225 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,431 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,872 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,871 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,039 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,651 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,497 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,067 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,857 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,904 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,625 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,880 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,630 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,270 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,920 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,395 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,624 |
| Biggest Cities in China | 0 | - | 4.53 | 160,278 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,466 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,384 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,044 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,254 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,110 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,246 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,852 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,555 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,730 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,118 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,857 |
| Biggest Cities in France | 0 | - | 4.72 | 225,706 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,410 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,373 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,367 |
| Biggest Cities in the UK | 0 | - | 4.48 | 106,003 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,703 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,525 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,801 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,042 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,229 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,687 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,189 |
| Biggest City by Region | 0 | - | 4.50 | 36,425 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,385 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,465 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,636 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,954 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,511 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,652 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,573 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,623 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,992 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,114 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,598 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,216 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,039 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,568 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,464 |
| Cities of Ireland | 0 | - | 4.51 | 50,976 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,277 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,086 |
| Biggest Cities in History | 0 | - | 4.52 | 90,728 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,245 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,654 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,151 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,744 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,745 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,453 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,241 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,292 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,278 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,107 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,726 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,360 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,908 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,440 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,128 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,793 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,738 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,472 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,414 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,757 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,833 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,708 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,217 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,237 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,916 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,227 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,209 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,733 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,156 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,520 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,936 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,599 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,543 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,615 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,986 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,949 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,800 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,169 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,723 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,674 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,530 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,297 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,453 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,604 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,128 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,608 |
| Countries with Megacities | 0 | - | 4.99 | 268,083 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,258 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,393 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,592 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,492 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,069 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,903 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,641 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,126 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,938 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,820 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,010 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,968 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,905 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,601 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,499 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,968 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,897 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,664 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,150 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,268 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,607 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,496 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,588 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,873 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,132 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,404 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,754 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,035 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,509 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,685 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,896 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,924 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,971 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,984 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,733 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,755 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,970 |
| Biggest Cities in California | 0 | - | 4.35 | 140,558 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,486 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,982 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,613 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,463 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,893 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,071 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,830 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,321 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,755 |
