| Biggest Cities in Asia | 0 | - | 4.95 | 117,265 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,188 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,027 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,182 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,656 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,620 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,433 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,469 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,145 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,857 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,424 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,047 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,628 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,217 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,944 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,697 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,646 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,588 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,060 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,691 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,714 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,497 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,187 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,093 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,615 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,238 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,769 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,839 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,968 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,392 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,627 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,991 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,881 |
| Largest City by Island | 0 | - | 4.87 | 72,015 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,119 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,135 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,700 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,492 |
| Megacities on a World Map | 0 | - | 4.98 | 255,157 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,481 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,110 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,472 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,121 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,783 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,991 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,367 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,431 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,046 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,623 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,269 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,434 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,919 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,467 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,989 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,639 |
| Biggest Cities in China | 0 | - | 4.53 | 158,919 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,250 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,517 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,979 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,606 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 37,990 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,438 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,551 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,554 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,347 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,712 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,412 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,191 |
| Biggest Cities in France | 0 | - | 4.70 | 224,304 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,369 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,381 |
| Biggest Cities in India | 0 | - | 4.64 | 67,816 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,383 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,796 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,698 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,555 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,028 |
| Biggest City by Region | 0 | - | 4.50 | 36,269 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,181 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,219 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,371 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,342 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,866 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,450 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,746 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,500 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,606 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,018 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,203 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,038 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,880 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,440 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,230 |
| Cities of Ireland | 0 | - | 4.51 | 50,714 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,717 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,164 |
| Biggest Cities in History | 0 | - | 4.52 | 90,262 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,929 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,468 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,693 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,519 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,464 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,486 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,750 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,537 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,130 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,541 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,235 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,166 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,894 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,606 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,231 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,166 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,240 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,489 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,060 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,985 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,004 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,281 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,361 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,364 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,296 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,860 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,078 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,611 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,089 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,752 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,839 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,568 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,376 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,271 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,325 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,692 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,487 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,619 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,194 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,395 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,199 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,194 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,240 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,279 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,112 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,290 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,623 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,840 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,792 |
| Countries with Megacities | 0 | - | 4.99 | 264,357 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,651 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,419 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,921 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,487 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,977 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,445 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,459 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,990 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,853 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,673 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,230 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,026 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,556 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,942 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,914 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,400 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,186 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,727 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,393 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,710 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,049 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,048 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,760 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,653 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,335 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,021 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,865 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,112 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,091 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,525 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,692 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,193 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,852 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,405 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,092 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,231 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,462 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,594 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,647 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,767 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,543 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,516 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,731 |
| Biggest Cities in California | 0 | - | 4.35 | 140,006 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,183 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,730 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,428 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,290 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,699 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,819 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,404 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,211 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,300 |
