| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,398 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,585 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,835 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,578 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,595 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,124 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,177 |
| 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 | 73,165 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,393 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,284 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,470 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,212 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,881 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,992 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,491 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,109 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,799 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,751 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,679 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,785 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,209 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,297 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,850 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,860 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,731 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,838 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,899 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,846 |
| Largest City by Island | 0 | - | 4.87 | 71,171 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,475 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,708 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,525 |
| Megacities on a World Map | 0 | - | 4.98 | 251,465 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,052 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,899 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,009 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,068 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,349 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,620 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,990 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,131 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,191 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,705 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,630 |
| Megacities on an Empty Map | 0 | - | 4.96 | 105,116 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,406 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,002 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,225 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,264 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,593 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,178 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,760 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,786 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,014 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,900 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,090 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,722 |
| Countries with Megacities | 0 | - | 4.99 | 247,803 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,591 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,245 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,972 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,194 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,449 |
| 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 | 117,492 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,834 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,965 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,707 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,634 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,024 |
| 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 | 36,025 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,938 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,712 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,549 |
| 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 | 82,968 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,975 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,280 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,706 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,239 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,085 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,346 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,074 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,582 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,864 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,447 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,552 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,732 |
| Biggest Cities in History | 0 | - | 4.52 | 89,220 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,164 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,232 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,230 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,625 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,081 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,712 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,523 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,660 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,972 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,006 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,319 |
| Biggest Cities in India | 0 | - | 4.70 | 67,392 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,645 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,092 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,729 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,045 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,379 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,121 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,468 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,461 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,225 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,548 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,115 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,532 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,734 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,370 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,318 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,663 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,457 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,388 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,916 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,358 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,281 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,299 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,689 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,125 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,885 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,666 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,689 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,484 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,161 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,083 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,287 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,058 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,792 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,027 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,111 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,244 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,214 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,047 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,107 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,891 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,560 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,252 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,021 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,391 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,515 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,820 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,244 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,780 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,895 |
| 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 | 221,647 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,954 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,834 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,716 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,900 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,567 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,718 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,433 |
| Most Populous Islands | 0 | - | 4.79 | 122,067 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,218 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,428 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,650 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,907 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,027 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,301 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,334 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,808 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,086 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,880 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,371 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,745 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,653 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,905 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,197 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,567 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,608 |
| Boundary Waters | 0 | - | 4.92 | 88,102 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,872 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,428 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,495 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,940 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,436 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,591 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,949 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,681 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,807 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,540 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,296 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,543 |
