| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,252 |
| Countries with Megacities | 0 | - | 4.99 | 194,930 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,590 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,918 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,790 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,771 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,255 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,302,740 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,661 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,407 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,543 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,274 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,512 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,457 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,244 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,898 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,699 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,290 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,700 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,522 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,491 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,092 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,891 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,224 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,678 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,354 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,591 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,878 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,253 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,291 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,060 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,523 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,511 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 156,089 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,975 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,185 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,953 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,193 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,987 |
| Biggest Cities in the World | 0 | - | 4.89 | 679,332 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,502 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,481 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.88 | 50,376 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,332 |
| Biggest City by Time Zone | 0 | - | 4.83 | 53,508 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,690 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 167,578 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,951 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,662 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 63,036 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 70,318 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,326 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 42,042 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,614 |
| Olympic Host Countries | 0 | - | 4.98 | 160,532 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,996 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 229,563 |
| The Only European Country ... | 0 | - | 4.94 | 176,153 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,285 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,419 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 66,481 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,573 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 367,629 |
| Biggest Cities in the United States | 0 | - | 4.92 | 809,103 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 321,000 |
| Countries of Africa | 0 | - | 5.00 | 2,143,642 |
| Most Populous Countries by Year | 0 | - | 4.79 | 92,678 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,958 |
| Boundary Waters | 0 | - | 4.93 | 80,491 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,887 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,215 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,522 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,522 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,761 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,792 |
| Megacities on a World Map | 0 | - | 4.98 | 219,205 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,447 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,794 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 83,106 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,136 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,617 |
| Countries of the Middle East | 0 | - | 4.96 | 171,539 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,829 |
| Slavic Countries | 0 | - | 4.96 | 99,835 |
| African Island Countries | 0 | - | 4.96 | 88,602 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,958 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,046 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,783 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,265 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 125,832 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,512 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,642 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,914 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,462 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,370 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,524 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,021 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,008 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,114 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,898 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 509,197 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,036 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,188 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,820 |
| Most Populous Islands | 0 | - | 4.71 | 112,070 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,949 |
| Most Populous Countries in 1950 | 0 | - | 4.55 | 70,638 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 30,551 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,695 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,846 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,803 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,078 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,992 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,880 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 205,659 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,490,879 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,827 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,014 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,681 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,063 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,470 |
| Monarchies of Europe | 0 | - | 4.88 | 86,314 |
| Monarchies of Asia | 0 | - | 4.95 | 53,620 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,269 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,017 |
| Countries that Start with A | 0 | - | 4.98 | 1,927,967 |
| Countries that Start with B | 0 | - | 4.96 | 2,066,543 |
| Countries that Start with C | 0 | - | 4.96 | 1,633,675 |
| Countries that Start with D | 0 | - | 4.96 | 584,857 |
| Countries that Start with E | 0 | - | 4.95 | 1,221,678 |
| Countries that Start with G | 0 | - | 4.97 | 1,341,066 |
| Countries that Start with H | 0 | - | 4.95 | 498,695 |
| Countries that Start with I | 0 | - | 4.92 | 1,152,596 |
| Countries that Start with J | 0 | - | 4.98 | 502,215 |
| Countries that Start with K | 0 | - | 4.97 | 705,001 |
| Countries that Start with L | 0 | - | 4.98 | 963,228 |
| Countries that Start with N | 0 | - | 4.92 | 989,682 |
| Countries that Start with P | 0 | - | 4.94 | 1,092,522 |
| Countries that Start with S | 0 | - | 4.98 | 1,593,773 |
| Countries that Start with T | 0 | - | 4.88 | 902,489 |
| Countries that Start with U | 0 | - | 4.96 | 815,077 |
| Countries that Start with V | 0 | - | 4.98 | 545,946 |
| Countries that Start with F | 0 | - | 4.83 | 531,601 |
| Countries that Start with M | 0 | - | 4.97 | 1,245,235 |
| The Only African Country ... | 0 | - | 4.99 | 104,586 |
| The Only American Country ... | 0 | - | 4.94 | 108,922 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,209 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,514 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,838 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,219 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,642 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,452 |
| European Countries with One Border | 0 | - | 4.96 | 149,336 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,451 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,671 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,561 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,868 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,614 |
| Population Trivia | 0 | - | 4.35 | 26,227 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,331 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,898 |
| Biggest City by Region | 0 | - | 4.49 | 33,434 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,079 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,123 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,130 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,566 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,423 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,230 |
| Two Largest Cities by First Two Letters | 0 | - | 4.59 | 67,778 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 301,677 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 96,258 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,835 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,015 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,204 |
| World Capitals Quiz | 0 | - | 5.00 | 4,461,956 |
| Countries on the Equator | 0 | - | 4.82 | 132,730 |
| Members of the Arab League | 0 | - | 4.82 | 59,380 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,217 |
| Himalayan Countries | 0 | - | 4.95 | 102,564 |
| Andean Countries | 0 | - | 4.90 | 56,991 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,833 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,600 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,924 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,569 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,766 |
| Danube Countries | 0 | - | 4.97 | 56,370 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,419 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,609 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,387 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,813 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,422 |
| European Landlocked Countries | 0 | - | 4.99 | 114,853 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,794 |
| Countries with the Most Species | 0 | - | 4.99 | 89,093 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,863 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,453 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,828 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,784 |
| UK Immigration by Country | 0 | - | 4.95 | 124,224 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,141 |
