| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,403 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,387 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,286 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,394 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,624 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,720 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,845 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,622 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,601 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,821 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,679 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,087 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,409 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,641 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,544 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,679 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,145 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,781 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,507 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,040 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,685 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,422 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,505 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,031 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,151 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,742 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,468 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,340 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,361 |
| Largest City by Island | 0 | - | 4.87 | 72,247 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,307 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,457 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,965 |
| Megacities on a World Map | 0 | - | 4.98 | 256,103 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,673 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,641 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,432 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,684 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,365 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,706 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,369 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,858 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,004 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,335 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,783 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,787 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,321 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,977 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,361 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,693 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,724 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,173 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,220 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,878 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,258 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,401 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,081 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,134 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,688 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,427 |
| Countries with Megacities | 0 | - | 4.99 | 265,824 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,221 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,748 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,488 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,834 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,799 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,779 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,989 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,902 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,253 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,807 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,704 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,938 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,606 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,093 |
| Biggest City by Region | 0 | - | 4.50 | 36,330 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,254 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,413 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,965 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,269 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,412 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,457 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,202 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,508 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,606 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,713 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,261 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,117 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,606 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,430 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,728 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,971 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,395 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,501 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,173 |
| Biggest Cities in History | 0 | - | 4.52 | 90,436 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,686 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,545 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,614 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,583 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,366 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,657 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,180 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,166 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,930 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,413 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,283 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,386 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,614 |
| Biggest Cities in India | 0 | - | 4.64 | 67,952 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,874 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,996 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,793 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,376 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,850 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,514 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,253 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,121 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,809 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,018 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,406 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,540 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,681 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,081 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,522 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,698 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,395 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,065 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,417 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,584 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,416 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,641 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,960 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,345 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,129 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,608 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,115 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,885 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 30,219 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,679 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,424 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,807 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,620 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,321 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,494 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,238 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,908 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,674 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,297 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,647 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,722 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,783 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,352 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,667 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,027 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,907 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,088 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,984 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,531 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,046 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,677 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,316 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,128 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,972 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,748 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,554 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,653 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,378 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,161 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,642 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,066 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,786 |
| Most Populous Islands | 0 | - | 4.80 | 123,179 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,349 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,604 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,931 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,402 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,693 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,916 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,541 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,356 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,770 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,050 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,505 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,110 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,951 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,084 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,487 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,691 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,108 |
| Boundary Waters | 0 | - | 4.92 | 88,665 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,330 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,474 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,040 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,787 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,985 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,348 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,260 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,918 |
