| Biggest Cities in the World | 0 | - | 4.91 | 801,423 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,366 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,178 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,085 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,842 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,033 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,246 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,841 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,406 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,226 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,339 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,875 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,963 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,242 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,955 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,601 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,893 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,115 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,059 |
| Largest City by Island | 0 | - | 4.87 | 72,102 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,196 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,257 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,821 |
| Megacities on a World Map | 0 | - | 4.98 | 255,478 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,669 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,537 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,227 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,326 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,764 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,596 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,429 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,235 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,931 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,768 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,219 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,027 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,656 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,911 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,148 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,770 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,779 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,576 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,294 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,205 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,233 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,386 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,370 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,468 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,467 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,481 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,590 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,596 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,782 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,265 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,085 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,527 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,530 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,394 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,915 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,020 |
| Biggest Cities in History | 0 | - | 4.52 | 90,325 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,270 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,322 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,626 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,495 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,009 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,552 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,110 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,651 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,575 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,816 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,616 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,212 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,652 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,337 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,094 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,098 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,858 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,575 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,738 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,015 |
| Countries with Megacities | 0 | - | 4.99 | 264,854 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,849 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,532 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,107 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,612 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,607 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,265 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,296 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,255 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,682 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,872 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,135 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,593 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,376 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,025 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,009 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,951 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,012 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,471 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,243 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,975 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,486 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,100 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,980 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,295 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,216 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,604 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,779 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,255 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,921 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,834 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,503 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,873 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,543 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,271 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,291 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,463 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,173 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,816 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,063 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,913 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,310 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,798 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,514 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,030 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,725 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,065 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,900 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,029 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,593 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,910 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,721 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,780 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,196 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,362 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,523 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,005 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,878 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,203 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,923 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,635 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,305 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,500 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,221 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,265 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,469 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,262 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,554 |
| Biggest Cities in France | 0 | - | 4.70 | 224,486 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,534 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,100 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,042 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,488 |
| Biggest Cities in China | 0 | - | 4.53 | 159,118 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,117 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,316 |
| Biggest Cities in India | 0 | - | 4.64 | 67,879 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,568 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,286 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,515 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,633 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,693 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,794 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,574 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,536 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,767 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,388 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,281 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,544 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,320 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,943 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,355 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,656 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,434 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,235 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,400 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,663 |
| Boundary Waters | 0 | - | 4.92 | 88,600 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,269 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,320 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,792 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,657 |
| Most Populous Islands | 0 | - | 4.80 | 123,076 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,328 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,577 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,417 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,297 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,722 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,391 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,883 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,598 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,565 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,329 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,186 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,545 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,631 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,407 |
