| Biggest Cities in the World | 0 | - | 4.90 | 694,987 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,639 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 82,895 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 88,690 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 70,523 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,071 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,811 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,138 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,128 |
| Biggest Cities in the United States | 0 | - | 4.93 | 841,781 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,819 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,216 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,135 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,102 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,192 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 97,901 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,926 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,536 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,147 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,732 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,299 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,709 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,007 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,107 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,299 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,610 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,088 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,133 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,579 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,736 |
| Megacities on a World Map | 0 | - | 4.98 | 222,293 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 518,804 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,384 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,079 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,565 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.31 | 22,082 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.99 | 56,552 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,254 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,598 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,779 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,006 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,989 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,232 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,425 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,620 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,668 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,132 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,267 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,773 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,580 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,207 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 98,903 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,365 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,427 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,623 |
| Countries with Megacities | 0 | - | 4.99 | 199,808 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,410 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,004 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,006 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,974 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,600 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 140,938 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,323 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 103,060 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,226 |
| 500 Biggest US Cities | 0 | - | 4.87 | 99,595 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,147 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,071 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,225 |
| Biggest City by Region | 0 | - | 4.50 | 33,879 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,720 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,249 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 92,974 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,521 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,354 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,717 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,226 |
| Biggest Cities in Germany | 0 | - | 4.95 | 265,830 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,563 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,789 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,824 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,827 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,868 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,376 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,954 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,725 |
| Biggest Cities in Europe | 0 | - | 4.76 | 469,810 |
| Biggest City by Island | 0 | - | 4.57 | 45,954 |
| Biggest Cities in History | 0 | - | 4.50 | 81,259 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,262 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,368 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 29,738 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,857 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,096 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,267 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,758 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,604 |
| Cities of Ireland | 0 | - | 4.43 | 40,043 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,579 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,861 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 77,847 |
| Biggest Cities in India | 0 | - | 4.71 | 62,861 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,249 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,540 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 98,517 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,409 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,836 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,564 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,289 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,763 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,040 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,533 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 81,785 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,284 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,811 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,464 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,525 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,277 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,030 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,561 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,973 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,293 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,594 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,775 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 146,921 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,351 |
| Demographics Multiple Choice | 0 | - | 4.65 | 40,004 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,451 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,103 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,064 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,083 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,267 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,342 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,410 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,061 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,228 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,052 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,242 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,847 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,576 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,397 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,893 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,763 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 162,848 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,200 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,798 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,103 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,052 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,080 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.90 | 7,110 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,088 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,752 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 153,838 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,824 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,191 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,514 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,724 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 18,973 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,894 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,387 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,396 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,592 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,331 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,663 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,074 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,842 |
| Most Populous Islands | 0 | - | 4.71 | 113,399 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,468 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,787 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,073 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,115 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,792 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,131 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,491 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,249 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,607 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,204 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,265 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 36,976 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,232 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,320 |
| Boundary Waters | 0 | - | 4.93 | 81,569 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,758 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,670 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 173,780 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,920 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,403 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,829 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 40,939 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,887 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,658 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,585 |
| Biggest Cities in France | 0 | - | 4.76 | 201,347 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,103 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,381 |
| Biggest Cities in China | 0 | - | 4.55 | 140,252 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,453 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,406 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,352 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,374,240 |
