| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,457 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,461 |
| Countries with Megacities | 0 | - | 4.99 | 247,296 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,296 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,102 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,727 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,027 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,618 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,794 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,886 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,039 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,947 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,521 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,667 |
| Countries of Africa | 0 | - | 5.00 | 2,509,369 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,691 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,206 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,310 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,089 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,175 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,407 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,012 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,458 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,645 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,545 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,357 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,331 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,667 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,609 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,861 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,269 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,176 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,181 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,341 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,045 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,069 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,907 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,027 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,627 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,847 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,454 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,869 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,965 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,642 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,645 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,821 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,986 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,153 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 111,390 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,146 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,698 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,751 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,061 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,926 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,163 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,541 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,562 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,642 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,084 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,206 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,777 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,731 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,109 |
| Olympic Host Countries | 0 | - | 4.98 | 198,953 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,863 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,668 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,863 |
| The Only European Country ... | 0 | - | 4.91 | 213,986 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,241 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,645 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,237 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,809 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,239 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,947 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,671 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,098 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,574 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,901 |
| Largest City by Island | 0 | - | 4.87 | 71,079 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,596 |
| Biggest European Cities by Century | 0 | - | 4.98 | 144,030 |
| Megacities on a World Map | 0 | - | 4.98 | 251,102 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,497 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,823 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,903 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,858 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,213 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,368 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,460 |
| Countries of the Middle East | 0 | - | 4.96 | 199,045 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,313 |
| Slavic Countries | 0 | - | 4.96 | 110,902 |
| African Island Countries | 0 | - | 4.96 | 100,834 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,514 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,570 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,088 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,797 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,548 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,206 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,842 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,687 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,747 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,835 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,169 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,198 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,339 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,623 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,326 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,459 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,295 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,528 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,740 |
| Boundary Waters | 0 | - | 4.92 | 88,064 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,830 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,329 |
| Most Populous Islands | 0 | - | 4.79 | 122,012 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,207 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,410 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,179 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,086 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,444 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,582 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,209 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,560 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,321 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,335 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,246 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,412 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,383 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,393 |
| Monarchies of Europe | 0 | - | 4.90 | 97,366 |
| Monarchies of Asia | 0 | - | 4.97 | 70,621 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,849 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,449 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,876 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,574 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,504 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,865 |
| Countries that Start with D | 0 | - | 4.96 | 701,923 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,954 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,309 |
| Countries that Start with H | 0 | - | 4.96 | 598,269 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,621 |
| Countries that Start with J | 0 | - | 4.98 | 596,323 |
| Countries that Start with K | 0 | - | 4.97 | 809,669 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,227 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,111 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,879 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,009 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,480 |
| Countries that Start with U | 0 | - | 4.97 | 900,121 |
| Countries that Start with V | 0 | - | 4.98 | 605,287 |
| Countries that Start with F | 0 | - | 4.83 | 612,441 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,728 |
| The Only African Country ... | 0 | - | 4.99 | 128,395 |
| The Only American Country ... | 0 | - | 4.92 | 120,802 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,790 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,274 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,075 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,452 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,096 |
| European Countries with One Border | 0 | - | 4.97 | 181,687 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,588 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,142 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,945,206 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,954 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,915 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,724 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,912 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,552 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,136 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,561 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,653 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,026 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,229 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,935 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,856 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,829 |
| Landlocked Countries | 0 | - | 4.99 | 413,878 |
| UK Immigration by Country | 0 | - | 4.94 | 139,729 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,576 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,316 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,668 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,846 |
| Central American Countries | 0 | - | 4.98 | 155,118 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,691 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,992 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,028 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,321 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,900 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,059 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,077 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,008 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,319 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,401 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,285 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,127 |
