| Biggest Cities in the World | 0 | - | 4.89 | 684,977 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,125 |
| Biggest Cities in the United States | 0 | - | 4.92 | 814,011 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,030 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,181 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,550 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,661 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,774 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,225 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,800 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 95,838 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,695 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,150 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,028 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,280 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,552 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,290 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 55,033 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,845 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,628 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,720 |
| Most Populous World Capitals | 0 | - | 4.92 | 147,988 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,570 |
| Megacities on a World Map | 0 | - | 4.98 | 220,391 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,290 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,756 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,243 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,063 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,902 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,590 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,649 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,333 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,363 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,571 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,829 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,060 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,407 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,209 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,193 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,473 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,861 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.90 | 91,660 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,335 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,645 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,184 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,841 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,895 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,554 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,457 |
| Biggest Cities in Europe | 0 | - | 4.75 | 463,150 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,489 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,025 |
| Biggest City by Region | 0 | - | 4.49 | 33,588 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,306 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,220 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,328 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,410 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,887 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,966 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,518 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,095 |
| Biggest City by Island | 0 | - | 4.57 | 45,726 |
| Biggest Cities in History | 0 | - | 4.50 | 80,051 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,899 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,079 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,520 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,188 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,725 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,010 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,734 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,461 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,288 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,585 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,499 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,241 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,139 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,922 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,508 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,118 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,945 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,466 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,010 |
| Biggest City by Region #2 | 0 | - | 4.45 | 23,087 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,216 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,820 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,675 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,498 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,762 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 98,976 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,272 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,815 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,308,778 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,787 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,365 |
| Countries with Megacities | 0 | - | 4.99 | 196,468 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,906 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,574 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,839 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 63,531 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,120 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,522 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,867 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,839 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,267 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,933 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 80,893 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,854 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,801 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,788 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,888 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,665 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,467 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,058 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,808 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,916 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,619 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,780 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,810 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,189 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,782 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,152 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,225 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,498 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,744 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,228 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,429 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,449 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,900 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,229 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,314 |
| Biggest Cities in France | 0 | - | 4.76 | 198,981 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,184 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,054 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,307 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,986 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,245 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,249 |
| Biggest Cities in China | 0 | - | 4.64 | 138,114 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,512 |
| Cities of Ireland | 0 | - | 4.43 | 39,664 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,235 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,495 |
| Biggest Cities in India | 0 | - | 4.72 | 62,280 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,836 |
| Biggest Cities in Italy | 0 | - | 4.65 | 216,718 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 83,195 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 69,625 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,944 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,576 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,947 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,715 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,944 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,385 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 121,994 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,180,343 |
| Countries of Europe by Population | 0 | - | 4.98 | 125,963 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,522 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,297 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,034 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,192 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 68,258 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,636 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 28,343 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,685 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,326 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,673 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,735 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,895 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,904 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,386 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,504 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,006 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,839 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,767 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,500 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 143,348 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 204,696 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 160,530 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 156,987 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,669 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,576 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,809 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,603 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,724 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.97 | 4,935 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,588 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,117 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 90,748 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,532 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 29,972 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,413 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,166 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,611 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,502 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,763 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,692 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,327 |
| Random Flag to Country | 0 | - | 4.99 | 503,729 |
| Most Populous Islands | 0 | - | 4.71 | 112,564 |
