| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,240 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,031 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,236 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,886 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,867 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,850 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,212 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,517 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,264 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,090 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,267 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,480 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,341 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,314 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,958 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 146,971 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,350 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,919 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,253 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,519 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,302 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,403 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,921 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,037 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,478 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,326 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,048 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,210 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,168 |
| Largest City by Island | 0 | - | 4.87 | 72,152 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,241 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,337 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,873 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,675 |
| Megacities on a World Map | 0 | - | 4.98 | 255,718 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,660 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,067 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,574 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,298 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,482 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,143 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,648 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,613 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,459 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,264 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,859 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,350 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,299 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,673 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,667 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,659 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,852 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,281 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,862 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,446 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,740 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,319 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,325 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,382 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,717 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,143 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,798 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,679 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,536 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,882 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,226 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,942 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,649 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,751 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,626 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,393 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,372 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,249 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,257 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,184 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,828 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,587 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,068 |
| Biggest City by Region | 0 | - | 4.50 | 36,304 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,221 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,244 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,349 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,402 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,408 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,483 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,844 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,525 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,711 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,040 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,021 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,077 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,918 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,458 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,660 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,295 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,061 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,112 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,884 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,268 |
| Biggest Cities in History | 0 | - | 4.52 | 90,365 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,496 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,513 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,505 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,799 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,578 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,531 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,277 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,610 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,853 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,658 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,264 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,709 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,383 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,504 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,304 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,595 |
| Biggest Cities in France | 0 | - | 4.70 | 224,622 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,645 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,131 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,090 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,547 |
| Biggest Cities in China | 0 | - | 4.53 | 159,274 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,337 |
| Biggest Cities in India | 0 | - | 4.64 | 67,905 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,670 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,544 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,560 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,432 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,952 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,110 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,643 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,964 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,868 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,581 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,430 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,763 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,883 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,590 |
| Cities of Ireland | 0 | - | 4.51 | 50,768 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,222 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,318 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,330 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,319 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,157 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,580 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,725 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,351 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,170 |
| Countries with Megacities | 0 | - | 4.99 | 265,243 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,998 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,623 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,257 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,697 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,000 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,022 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,871 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,091 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,956 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,065 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,497 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,276 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,014 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,523 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,755 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,245 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,069 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,870 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,416 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,744 |
| Rivers of the United States | 0 | - | 4.93 | 66,407 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,156 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,032 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,409 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,291 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,655 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,848 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,305 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,895 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,423 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,326 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,549 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,662 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,726 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,816 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,588 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,561 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,788 |
| Biggest Cities in California | 0 | - | 4.35 | 140,124 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,246 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,792 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,454 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,319 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,732 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,867 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,481 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,222 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,434 |
| Hawaiian Islands | 0 | - | 4.83 | 42,810 |
