| Biggest Cities in the World | 0 | - | 4.91 | 794,829 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,261 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,554 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,539 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,596 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,079 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,133 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,017 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,702 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,212 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,506 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,569 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,091 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,175 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,442 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,078 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,037 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,915 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,702 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,650 |
| Largest City by Island | 0 | - | 4.87 | 71,494 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,650 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,411 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,062 |
| Megacities on a World Map | 0 | - | 4.98 | 252,571 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,074 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,467 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,792 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,853 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,917 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,513 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,288 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,784 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,704 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,631 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,724 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,320 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,381 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,241 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,529 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,820 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,883 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,883 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,083 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,371 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,216 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,907 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,277 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,008 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,869 |
| Biggest City by Region | 0 | - | 4.50 | 36,083 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,017 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,122 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,300 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,107 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,330 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,324 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,848 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,292 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,293 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,527 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,391 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,654 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,897 |
| Biggest Cities in History | 0 | - | 4.52 | 89,884 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,240 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,306 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,338 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,255 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,794 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,070 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,968 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,387 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,906 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,297 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,008 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,319 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,873 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,364 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,562 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,959 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,013 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,729 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,515 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,446 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,438 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,291 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,190 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,392 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,922 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,109 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,493 |
| Countries with Megacities | 0 | - | 4.99 | 249,427 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,346 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,672 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,675 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,643 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,554 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,609 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,070 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,146 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,834 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,127 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,660 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,820 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,884 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,421 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,272 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,024 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,866 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,161 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,851 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,489 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,358 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,051 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,434 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,135 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,177 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,722 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,456 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,415 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,040 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,924 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,673 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,864 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,736 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,961 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,297 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,762 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,261 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,923 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,678 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,408 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,726 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,953 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,089 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,815 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,222 |
| Biggest Cities in France | 0 | - | 4.70 | 223,216 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,563 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,831 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,694 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,924 |
| Biggest Cities in China | 0 | - | 4.52 | 157,882 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,515 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,105 |
| Biggest Cities in India | 0 | - | 4.70 | 67,551 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,407 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,026 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,548 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,065 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,750 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,180 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,377 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,968 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,486 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,809 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,969 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,667 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,749 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,069 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,088 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,781 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,396 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,950 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,164 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,810 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,818 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,281 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,345 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,525 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,359 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,287 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,511 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,134 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,909 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,917 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,076 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,026 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,297 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,888 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,590 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,682 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,943 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,769 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,604 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,429 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,071 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,873 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,508 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,519 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,176 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,525 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,145 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,411 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,742 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,205 |
| Most Populous Islands | 0 | - | 4.80 | 122,664 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,256 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,474 |
