| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,838 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,799 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,878 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,985 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,481 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,104 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,785 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,747 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,676 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,269 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,778 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,205 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,295 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,847 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,852 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,727 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,430 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,211 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,026 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,677 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,888 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,591 |
| Largest City by Island | 0 | - | 4.87 | 71,167 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,473 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,705 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,513 |
| Megacities on a World Map | 0 | - | 4.98 | 251,449 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,898 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,002 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,050 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,397 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,585 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,345 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,594 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,648 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,989 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,313 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,130 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,188 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,698 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,626 |
| Megacities on an Empty Map | 0 | - | 4.96 | 103,912 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,404 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,317 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,994 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,218 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,235 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,590 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,177 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,752 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,775 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,007 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,577 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,592 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,123 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,176 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,429 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,252 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,165 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,392 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,444 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,561 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,489 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,831 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,960 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,703 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,632 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,854 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,076 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,713 |
| Countries with Megacities | 0 | - | 4.99 | 247,780 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,568 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,240 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,965 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,189 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,019 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,933 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,768 |
| Biggest City by Region | 0 | - | 4.50 | 36,024 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,937 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,710 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,539 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,056 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,247 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,965 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,964 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,279 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,608 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,233 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,080 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,341 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,073 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,579 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,859 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,442 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,714 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,550 |
| Biggest Cities in History | 0 | - | 4.52 | 89,220 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,163 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,231 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,230 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,889 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,622 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,079 |
| Biggest Cities in France | 0 | - | 4.69 | 222,655 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,078 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,709 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,789 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,523 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,026 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,286 |
| Biggest Cities in China | 0 | - | 4.53 | 157,282 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,397 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,969 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,005 |
| Biggest Cities in India | 0 | - | 4.70 | 67,391 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,773 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,628 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,078 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,719 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,032 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,337 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,109 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,453 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,454 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,222 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,540 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,111 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,530 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,729 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,369 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,885 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,663 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,988 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,689 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,482 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,160 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,080 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,284 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,056 |
| Cities of Ireland | 0 | - | 4.51 | 50,380 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,111 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,656 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,453 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,385 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,737 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,914 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,354 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,278 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,296 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,236 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,207 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,040 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,103 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,889 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,689 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,552 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,124 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,249 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,018 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,390 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,514 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,817 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,244 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,779 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,892 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,009 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,849 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,860 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,607 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,939 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,820 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,706 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,893 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,557 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,712 |
| Most Populous Islands | 0 | - | 4.79 | 122,063 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,217 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,428 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,649 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,907 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,026 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,296 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,334 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,803 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,084 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,879 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,368 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,744 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,652 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,904 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,197 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,567 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,970 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,409 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,589 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,937 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,678 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,806 |
