| Biggest Cities in the World | 0 | - | 4.91 | 805,026 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,884 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,866 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,238 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,388 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,746 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,720 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,202 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,909 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,579 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,654 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,169 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,347 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,197 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,407 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,312 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,883 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,516 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,572 |
| Largest City by Island | 0 | - | 4.87 | 72,405 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,395 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,634 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,103 |
| Megacities on a World Map | 0 | - | 4.98 | 256,716 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,660 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,737 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,609 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,129 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,597 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,943 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,067 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,396 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,444 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,131 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,481 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,288 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,954 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,628 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,644 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,372 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,055 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,642 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,139 |
| Biggest City by Region | 0 | - | 4.50 | 36,385 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,321 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,647 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,434 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,533 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,560 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,905 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,934 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,012 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,970 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,225 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,451 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,399 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,087 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,869 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,911 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,982 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,772 |
| Biggest Cities in History | 0 | - | 4.52 | 90,555 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,928 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,495 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,351 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,600 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,377 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,682 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,071 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,764 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,107 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,142 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,925 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,538 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,041 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,688 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,172 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,135 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,910 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,885 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,000 |
| Countries with Megacities | 0 | - | 4.99 | 266,825 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,714 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,029 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,027 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,152 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,270 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,521 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,434 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,947 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,979 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,329 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,292 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,744 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,469 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,124 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,085 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,985 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,757 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,776 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,476 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,309 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,796 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,394 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,280 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,935 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,608 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,861 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,170 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,557 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,119 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,960 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,975 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,273 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,787 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,539 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,498 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,066 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,493 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,106 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,107 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,005 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,376 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,005 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,568 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,076 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,098 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,155 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,994 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,519 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,163 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,778 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,334 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,883 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,274 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,603 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,709 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,839 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,177 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,983 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,327 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,042 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,732 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,556 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,579 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,361 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,360 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,687 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,472 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,735 |
| Biggest Cities in France | 0 | - | 4.70 | 225,209 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,085 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,261 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,256 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,774 |
| Biggest Cities in China | 0 | - | 4.53 | 159,777 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,447 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,437 |
| Biggest Cities in India | 0 | - | 4.64 | 68,036 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,277 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,520 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,740 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,801 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,849 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,898 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,664 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,667 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,884 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,578 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,741 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,837 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,490 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,162 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,492 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,841 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,725 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,596 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,859 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,867 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,395 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,643 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,266 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,919 |
| Most Populous Islands | 0 | - | 4.80 | 123,280 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,377 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,639 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,300 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,930 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,617 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,816 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,969 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,809 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,941 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,463 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,516 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,775 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,690 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,528 |
