| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,551 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,506 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,095 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,529 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,750 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,805 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,855 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,901 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,665 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,671 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,888 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,890 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,876 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,261 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,399 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,775 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,727 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,212 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,437 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,915 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,583 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,663 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,176 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,354 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,219 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,412 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,901 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,580 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,712 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,525 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,588 |
| Largest City by Island | 0 | - | 4.87 | 72,407 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,399 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,647 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,112 |
| Megacities on a World Map | 0 | - | 4.98 | 256,741 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,740 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,616 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,181 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,607 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,482 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,437 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,983 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,209 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,949 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,085 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,400 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,144 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,485 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,915 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,944 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,058 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,291 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,956 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,652 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,658 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,387 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,024 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,983 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,241 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,486 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,410 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,107 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,871 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,456 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,328 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,023 |
| Countries with Megacities | 0 | - | 4.99 | 266,868 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,739 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,044 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,056 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,169 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,062 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,643 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,142 |
| Biggest City by Region | 0 | - | 4.50 | 36,385 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,325 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,664 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,498 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,373 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,435 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,534 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,388 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,561 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,095 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,766 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,398 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,287 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,948 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,613 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,868 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,174 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,565 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,935 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,288 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,528 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,964 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,788 |
| Biggest Cities in History | 0 | - | 4.52 | 90,559 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,938 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,600 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,685 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,482 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,739 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,262 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,403 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,257 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,557 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,453 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,439 |
| Biggest Cities in India | 0 | - | 4.64 | 68,037 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,114 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,145 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,932 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,541 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,049 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,695 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,811 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,343 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,887 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,288 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,616 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,721 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,856 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,179 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,173 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,980 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,136 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,910 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,749 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,474 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,887 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,146 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,255 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,748 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,844 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,494 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,167 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,494 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,842 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,728 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,604 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,872 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,317 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,944 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,631 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,826 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,814 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,007 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,947 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,378 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,522 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,784 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,126 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,962 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,281 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,109 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,575 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,086 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,794 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,375 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,165 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,985 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,079 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,761 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,779 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,477 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,314 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,802 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,208 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,821 |
| Most Populous Islands | 0 | - | 4.80 | 123,290 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,378 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,640 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,970 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,468 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,772 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,069 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,571 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,496 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,869 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,077 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,117 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,156 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,995 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,108 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,526 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,723 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,167 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,141 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,100 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,555 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,925 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,984 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,334 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,044 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,734 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,457 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,516 |
