| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,838 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,862 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,888 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,000 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,508 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,116 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,818 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,755 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,692 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,310 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,787 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,216 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,300 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,851 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,864 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,753 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,513 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,219 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,076 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,714 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,908 |
| Biggest Cities by Language | 0 | - | 4.96 | 242,016 |
| Largest City by Island | 0 | - | 4.87 | 71,178 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,478 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,710 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,540 |
| Megacities on a World Map | 0 | - | 4.98 | 251,477 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,901 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,014 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,075 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,399 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,587 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,354 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,634 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,667 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,990 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,327 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,131 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,192 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,712 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,633 |
| Megacities on an Empty Map | 0 | - | 4.96 | 105,987 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,410 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,318 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,006 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,226 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,297 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,595 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,183 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,766 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,793 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,022 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,578 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,597 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,124 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,178 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,430 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,253 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,166 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,393 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,452 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,563 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,499 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,835 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,968 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,708 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,637 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,951 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,104 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,731 |
| Countries with Megacities | 0 | - | 4.99 | 247,815 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,594 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,252 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,980 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,197 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,028 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,936 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,769 |
| Biggest City by Region | 0 | - | 4.50 | 36,026 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,940 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,713 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,563 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,057 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,247 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,969 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,979 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,280 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,610 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,241 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,087 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,356 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,081 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,584 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,865 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,449 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,747 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,558 |
| Biggest Cities in History | 0 | - | 4.52 | 89,224 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,166 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,233 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,232 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,903 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,629 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,084 |
| Biggest Cities in France | 0 | - | 4.69 | 222,683 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,090 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,714 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,795 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,526 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,027 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,294 |
| Biggest Cities in China | 0 | - | 4.53 | 157,297 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,402 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,974 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,006 |
| Biggest Cities in India | 0 | - | 4.70 | 67,396 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,790 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,649 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,097 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,736 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,052 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,410 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,126 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,479 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,469 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,225 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,554 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,120 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,537 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,737 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,371 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,886 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,667 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,690 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,484 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,163 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,085 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,288 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,061 |
| Cities of Ireland | 0 | - | 4.51 | 50,383 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,112 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,667 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,459 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,389 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,740 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,918 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,361 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,285 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,306 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,255 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,219 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,057 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,108 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,892 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,690 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,565 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,126 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,254 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,024 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,391 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,516 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,821 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,247 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,781 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,899 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,009 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,850 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,861 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,662 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,962 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,840 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,721 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,906 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,571 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,723 |
| Most Populous Islands | 0 | - | 4.79 | 122,069 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,219 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,429 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,651 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,908 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,030 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,304 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,336 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,812 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,088 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,880 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,373 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,748 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,654 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,905 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,198 |
| 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 | 114,459 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,596 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,958 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,681 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,807 |
