| Biggest Cities in the World | 0 | - | 4.91 | 794,426 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,532 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,519 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,955 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,209 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,478 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,428 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,526 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 131,910 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,091 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,983 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,170 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,480 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,534 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,065 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,131 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,352 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,690 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,599 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,545 |
| Largest City by Island | 0 | - | 4.87 | 71,442 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,624 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,011 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,013 |
| Megacities on a World Map | 0 | - | 4.98 | 252,452 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,052 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,419 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,713 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,802 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,465 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,208 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,763 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,768 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,560 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,608 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,352 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,712 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,299 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,311 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,189 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,468 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,767 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,840 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,831 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,057 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,317 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,156 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,876 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,544 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,530 |
| Biggest Cities in Europe | 0 | - | 4.72 | 543,846 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,239 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,001 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,857 |
| Biggest City by Region | 0 | - | 4.50 | 36,078 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,012 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,819 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,194 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,113 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,293 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,094 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,250 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,325 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,433 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,179 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,756 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,059 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,890 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,357 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,143 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,847 |
| Biggest Cities in History | 0 | - | 4.52 | 89,837 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,229 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,296 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,955 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,321 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,417 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,884 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,275 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,974 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,284 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,841 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,341 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,326 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,597 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,251 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,948 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,010 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,727 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,515 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,271 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,174 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,419 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,357 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,998 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,822 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,972 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,390 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,741 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,047 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,421 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,976 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,412 |
| Countries with Megacities | 0 | - | 4.99 | 249,209 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,270 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,618 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,581 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,589 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,596 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,099 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,829 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,092 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,622 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,796 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,882 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,231 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,006 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,852 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,129 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,813 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,116 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,733 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,521 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,430 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,407 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,916 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,631 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,854 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,727 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,287 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,744 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,457 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,321 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,975 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,381 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,114 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,125 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,670 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,010 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,232 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,915 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,660 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,395 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,699 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,937 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,053 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,068 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,796 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,203 |
| Biggest Cities in France | 0 | - | 4.70 | 223,159 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,509 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,814 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,671 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,892 |
| Biggest Cities in China | 0 | - | 4.52 | 157,814 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,478 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,091 |
| Biggest Cities in India | 0 | - | 4.70 | 67,538 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,335 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,421 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,980 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,361 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,915 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,437 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,782 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,937 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,648 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,387 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,784 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,779 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,261 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,320 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,513 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,338 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,271 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,496 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,077 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,834 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,767 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 89,184 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,937 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,184 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,766 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,401 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,369 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,563 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,550 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,635 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,739 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,175 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,516 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,164 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,754 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,057 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,067 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,776 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,518 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,930 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,134 |
| Cities of Ireland | 0 | - | 4.51 | 50,494 |
