| Biggest Cities in the World | 0 | - | 4.91 | 800,539 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,229 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,961 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,740 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,660 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,634 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,075 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,730 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,201 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,113 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,245 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,776 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,849 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,977 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,543 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,530 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,651 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,004 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,904 |
| Largest City by Island | 0 | - | 4.87 | 72,024 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,131 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,154 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,718 |
| Megacities on a World Map | 0 | - | 4.98 | 255,194 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,174 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,477 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,138 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,106 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,646 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,482 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,285 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,189 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,531 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,655 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,151 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,983 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,610 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,720 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,038 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,634 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,704 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,557 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,031 |
| Biggest City by Region | 0 | - | 4.50 | 36,270 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,182 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,220 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,373 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,346 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,451 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,375 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,382 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,498 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,491 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,675 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,823 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,996 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,388 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,443 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,037 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,368 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,304 |
| Biggest Cities in History | 0 | - | 4.52 | 90,271 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,978 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,276 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,454 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,473 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,934 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,521 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,879 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,489 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,752 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,541 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,138 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,552 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,240 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,078 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,089 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,841 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,568 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,695 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,814 |
| Countries with Megacities | 0 | - | 4.99 | 264,406 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,678 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,441 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,941 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,505 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,452 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,189 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,255 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,083 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,635 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,757 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,871 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,559 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,350 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,766 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,622 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,991 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,943 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,919 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,401 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,187 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,731 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,398 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,027 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,884 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,127 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,104 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,533 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,709 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,196 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,865 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,800 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,448 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,769 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,495 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,199 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,244 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,309 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,056 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,587 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,049 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,902 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,288 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,755 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,503 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,020 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,267 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,040 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,881 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,440 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 37,995 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,334 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,829 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,686 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,680 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,107 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,300 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,462 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,963 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,854 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,171 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,902 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,610 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,244 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,487 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,177 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,240 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,418 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,199 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,497 |
| Biggest Cities in France | 0 | - | 4.70 | 224,330 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,382 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,065 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,988 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,394 |
| Biggest Cities in China | 0 | - | 4.53 | 158,934 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,011 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,289 |
| Biggest Cities in India | 0 | - | 4.64 | 67,825 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,400 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,233 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,467 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,598 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,654 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,769 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,547 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,519 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,732 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,342 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,185 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,464 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,287 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,889 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,325 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,628 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,389 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,146 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,307 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,612 |
| Boundary Waters | 0 | - | 4.92 | 88,554 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,229 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,239 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,666 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,576 |
| Most Populous Islands | 0 | - | 4.80 | 123,020 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,323 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,561 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,249 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,159 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,590 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,306 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,867 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,557 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,482 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,291 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,112 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,507 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,615 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,377 |
