| Biggest Cities in Asia | 0 | - | 4.94 | 97,372 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,179 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,022 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,415 |
| Biggest Cities in the World | 0 | - | 4.90 | 698,102 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,675 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,364 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,690 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,497 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,544 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,770 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 173,016 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,613 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,844 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,295 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,304 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,860 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,479 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,831 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,151 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,402 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,524 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,817 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,271 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,646 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,542 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,844 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,804 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,997 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,228 |
| Most Populous World Capitals | 0 | - | 4.94 | 159,736 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,968 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,375 |
| Megacities on a World Map | 0 | - | 4.98 | 222,997 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,525 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,297 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,590 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,287 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,538 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,187 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,438 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,950 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,674 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,076 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,633 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,375 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,255 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,001 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,424 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,666 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,006 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,674 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,422 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,275 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,396 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,273 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,381 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,129 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,408 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,249 |
| Biggest Cities in China | 0 | - | 4.57 | 140,785 |
| Biggest Cities in India | 0 | - | 4.71 | 63,020 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,884 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,153 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,280 |
| Biggest City by Region | 0 | - | 4.50 | 33,949 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,824 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,588 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,603 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,612 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,308 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,272 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,534 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,909 |
| Biggest City by Island | 0 | - | 4.57 | 46,008 |
| Biggest Cities in History | 0 | - | 4.50 | 81,502 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,381 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,219 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,663 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,660 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,441 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,708 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,283 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,236 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,962 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,452 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,562 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,842 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,856 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,735 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,382 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,861 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,912 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,298 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,870 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,405 |
| Biggest Cities in France | 0 | - | 4.76 | 202,054 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,574 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,918 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,791 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,680 |
| Cities of Ireland | 0 | - | 4.43 | 40,159 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,871 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,959 |
| Biggest Cities in Italy | 0 | - | 4.66 | 220,095 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,474 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,105 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,101 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,534 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,152 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,109 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,309 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,378 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,466 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,116 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,310 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,845 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,208 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,715 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,037 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,705 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,074 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,972 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,718 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,065 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,936 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 205,024 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,790 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,365 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,182 |
| Countries with Megacities | 0 | - | 4.99 | 200,624 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,366 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,325 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,329 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,566 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,742 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,706 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 94,154 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,880 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,551 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,605 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,890 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 28,943 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,660 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,787 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,044 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,451 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,924 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,383 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,817 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,793 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,701 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,959 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,398 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,782 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,062 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,334 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,124 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,028 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,769 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,111 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,429 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,293 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,278 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 119,739 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 141,004 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 108,164 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,463 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,685 |
| Biggest Axis-Controlled Cities | 0 | - | 4.40 | 45,101 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,749 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,504 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,960 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,977 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 83,250 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,048 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 70,833 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,385 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,924 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,254 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,231 |
| Biggest Cities in California | 0 | - | 4.35 | 131,505 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,973 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,325 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,065 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,153 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,195 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,646 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.84 | 76,550 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.85 | 103,880 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 74,932 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 74,906 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,181 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,139 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,175 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,892 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,280 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,585 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,263 |
