| Biggest Cities in Asia | 0 | - | 4.94 | 106,053 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,269 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,409 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,285 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,618 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 332,424 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,836 |
| Biggest Cities in the World | 0 | - | 4.91 | 766,669 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,352 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,570 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,695 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,752 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,377 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,704 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,273 |
| Biggest Cities in the United States | 0 | - | 4.94 | 935,288 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 357,340 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,518 |
| Biggest City in Every Country | 0 | - | 4.98 | 93,260 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 194,199 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,881 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 114,363 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,256 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,879 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,099 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,335 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,884 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,734 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 64,009 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,476 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 155,178 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,267 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 559,855 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,742 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,813 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,378 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,533 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,338 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,763 |
| Largest City by Island | 0 | - | 4.89 | 68,854 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,712 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,871 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,565 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,613 |
| Megacities on a World Map | 0 | - | 4.98 | 236,319 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,245 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,262 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,383 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,516 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 35,353 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 103,145 |
| Biggest Cities in China | 0 | - | 4.48 | 152,871 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,409 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,102 |
| Biggest Cities in Europe | 0 | - | 4.74 | 528,908 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,770 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,171 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,848 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,473 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,440 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,872 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,587 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,157 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,069 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,256 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,075 |
| Biggest Cities in Japan | 0 | - | 4.65 | 81,206 |
| Biggest Cities in France | 0 | - | 4.72 | 217,268 |
| Biggest Cities in Spain | 0 | - | 4.63 | 166,255 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,756 |
| Biggest Cities in India | 0 | - | 4.70 | 66,272 |
| Biggest Cities in Italy | 0 | - | 4.75 | 234,860 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,417 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,646 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,786 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,046 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,574 |
| Biggest City by Region | 0 | - | 4.50 | 35,427 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,260 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,740 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,551 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,828 |
| Two Largest Cities by First Two Letters | 0 | - | 4.55 | 81,906 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,791 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,693 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,613 |
| Biggest Cities in History | 0 | - | 4.52 | 87,468 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,323 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,860 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,893 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,490 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,513 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,070 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,357 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,528 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,022 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,052 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,642 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,905 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,416 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,913 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,624 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,362 |
| Cities of Ireland | 0 | - | 4.50 | 49,366 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,325 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,246 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 121,215 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,758 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 106,098 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 119,410 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 139,544 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,492 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,161 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,982 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,754 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,908 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,671 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,367 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,039 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,759 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,739 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,298 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,219 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 36,982 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,017 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,892 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,825 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,789 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,101 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,464 |
| Biggest Cities in Washington State | 0 | - | 4.42 | 35,182 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,282 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,398 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,403,490 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,401 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,718 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,035 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,785 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,572 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 110,290 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,640 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,497 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,329 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,462 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,358 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 19,513 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,610 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 159,075 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,863 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,868 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 123,495 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 125,123 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,380 |
| Countries with Megacities | 0 | - | 4.99 | 225,402 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,666 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,844 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,644 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,377 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,885 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,896 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,274 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,609 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,970 |
| Biggest Cities in California | 0 | - | 4.34 | 137,424 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,824 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,645 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,688 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,064 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,359 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,744 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,707 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,653 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,933 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,981 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,915 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,196 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,464 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,203 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,827 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 123,896 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,582 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 109,679 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,998 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,930 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,456 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,089 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 47,869 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,198 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,943 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,914 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 99,319 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,775 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,840 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,924 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,559 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,498 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,226 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,429 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 217,898 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 132,069 |
