| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,846 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,974 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,273 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,969 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,187 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,405 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,454 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,621 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,436 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,376 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,592 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,301 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,065 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,417 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,414 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,820 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,988 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,821 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,634 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,309 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,156 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,384 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,626 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,725 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,183 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,320 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,752 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,093 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,978 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,920 |
| Largest City by Island | 0 | - | 4.87 | 71,628 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,750 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,609 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,193 |
| Megacities on a World Map | 0 | - | 4.98 | 253,167 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,788 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,176 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,637 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,117 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,030 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,582 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,123 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,454 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,329 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,653 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,572 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,862 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,035 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,763 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,604 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,832 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,598 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,775 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,373 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,795 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,458 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,866 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,688 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,573 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,873 |
| Countries with Megacities | 0 | - | 4.99 | 256,048 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,738 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,908 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,040 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,908 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,985 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,019 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,077 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,200 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,528 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,427 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,009 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,372 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,040 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,908 |
| Biggest City by Region | 0 | - | 4.50 | 36,113 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,044 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,937 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,574 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,144 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,317 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,152 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,472 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,354 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,885 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,674 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,498 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,320 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,634 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,241 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,318 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,881 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,012 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,166 |
| Biggest Cities in History | 0 | - | 4.52 | 89,982 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 75,023 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,344 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,376 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,898 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,288 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,886 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,773 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,556 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,915 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,641 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,153 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,264 |
| Biggest Cities in India | 0 | - | 4.63 | 67,636 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,082 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,427 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,165 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,484 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,071 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,839 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,023 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,331 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,483 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,166 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,664 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,944 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,125 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,805 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,487 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,692 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,062 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,046 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,326 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,136 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,417 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,042 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,743 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,858 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,788 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,203 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,996 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,145 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,027 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,751 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,530 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,372 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,227 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,509 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.64 | 62,666 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,003 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,233 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,161 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,355 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,443 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,970 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,590 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,295 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,000 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,638 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,285 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,622 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,656 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,311 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,362 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,861 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,219 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,117 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,940 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,907 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,659 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,457 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,141 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,960 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,324 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,018 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,554 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,574 |
| Most Populous Islands | 0 | - | 4.80 | 122,758 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,271 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,494 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,755 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,107 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,301 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,527 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,439 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,153 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,328 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,948 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,785 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,898 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,769 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,981 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,330 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,607 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,817 |
| Boundary Waters | 0 | - | 4.92 | 88,360 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,060 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,878 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,115 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,303 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,471 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,290 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,708 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,769 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,001 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,723 |
