| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,415 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,400 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,508 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,405 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,635 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,728 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,779 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,850 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,628 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,829 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,774 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,359 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,458 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,683 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,582 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,756 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,182 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,960 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,533 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,062 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,712 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,457 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,524 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,047 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,172 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,804 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,479 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,363 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,387 |
| Largest City by Island | 0 | - | 4.87 | 72,262 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,484 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,980 |
| Megacities on a World Map | 0 | - | 4.98 | 256,168 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,778 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,651 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,455 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,750 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,399 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,791 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,377 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,864 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,023 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,391 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,815 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,869 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,328 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,000 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,383 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,723 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,740 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,312 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,229 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,888 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,300 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,439 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,117 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,375 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,758 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,461 |
| Countries with Megacities | 0 | - | 4.99 | 265,909 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,255 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,759 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,512 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,860 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,831 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,801 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,027 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,978 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,270 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,840 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,732 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,949 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,609 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,102 |
| Biggest City by Region | 0 | - | 4.50 | 36,336 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,262 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,421 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,011 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,274 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,414 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,468 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,214 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,519 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,666 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,722 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,272 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,124 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,626 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,444 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,736 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,988 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,409 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,539 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,269 |
| Biggest Cities in History | 0 | - | 4.52 | 90,449 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,711 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,549 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,624 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,589 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,377 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,670 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,189 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,175 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,953 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,424 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,305 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,391 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,653 |
| Biggest Cities in India | 0 | - | 4.64 | 67,962 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,972 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,030 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,821 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,401 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,875 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,538 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,314 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,139 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,817 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,039 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,431 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,553 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,697 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,093 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,547 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,711 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,402 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,078 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,426 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,738 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,592 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,438 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,659 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,966 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,348 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,134 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,612 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,119 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,889 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 31,418 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,685 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,429 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,815 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,679 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,336 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,503 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,239 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,949 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,703 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,334 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,665 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,733 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,797 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,376 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,682 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,039 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,911 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,104 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,002 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,534 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,051 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,699 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,327 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,134 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,974 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,782 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,587 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,686 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,394 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,183 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,665 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,088 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,787 |
| Most Populous Islands | 0 | - | 4.80 | 123,184 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,351 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,607 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,932 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,405 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,701 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,923 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,542 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,375 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,776 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,052 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,591 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,118 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,955 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,088 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,490 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,692 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,116 |
| Boundary Waters | 0 | - | 4.92 | 88,675 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,341 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,493 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,068 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,795 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,006 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,391 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,328 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,922 |
