| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 154,996 |
| Countries with Megacities | 0 | - | 4.99 | 213,682 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 183,970 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,734 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,188 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,447 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,733 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,110 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,773 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,738 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,144 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,582 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,915 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,857 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,795 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 115,833 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,361 |
| Most Populous Countries by Year | 0 | - | 4.81 | 100,887 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,136 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,303 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,346 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,040 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,717 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 212,879 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 128,898 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 71,687 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 79,573 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 56,003 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 69,650 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 91,254 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 158,336 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 162,103 |
| Countries by Population Decrease | 0 | - | 4.46 | 48,143 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.56 | 61,301 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 18,887 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 217,525 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 170,812 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 167,917 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 97,506 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 103,778 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 152,139 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 167,334 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,363 |
| Biggest Cities in the World | 0 | - | 4.91 | 736,245 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 81,684 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 96,387 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 53,319 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,447 |
| Biggest City by Time Zone | 0 | - | 4.85 | 59,933 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,498 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,555 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 99,878 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,692 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,458 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,479 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,159 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,744 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,053 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,460 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,558 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,204 |
| Olympic Host Countries | 0 | - | 4.98 | 187,244 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,087 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 253,194 |
| The Only European Country ... | 0 | - | 4.93 | 194,049 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,714 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 88,991 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 69,009 |
| Demographics Multiple Choice | 0 | - | 4.68 | 40,982 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 392,585 |
| Biggest Cities in the United States | 0 | - | 4.93 | 894,919 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,356 |
| Countries of Africa | 0 | - | 5.00 | 2,316,824 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,231 |
| Boundary Waters | 0 | - | 4.93 | 84,390 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,188 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 79,856 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,727 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,041 |
| Largest City by Island | 0 | - | 4.90 | 64,304 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 66,971 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,780 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,839 |
| Megacities on a World Map | 0 | - | 4.98 | 230,434 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,303 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,256 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,760 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 158,635 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 199,822 |
| Countries of the Middle East | 0 | - | 4.95 | 184,976 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 80,902 |
| Slavic Countries | 0 | - | 4.96 | 105,100 |
| African Island Countries | 0 | - | 4.96 | 94,703 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,746 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 117,915 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 99,666 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 126,967 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 133,256 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 206,511 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,358 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 146,667 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,684 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,533 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 143,822 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,115 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,522 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 93,437 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 101,641 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 542,541 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,252,371 |
| Countries of North America Quiz | 0 | - | 5.00 | 938,018 |
| Most Populous Islands | 0 | - | 4.75 | 117,245 |
| Islands by Largest City #1 | 0 | - | 4.46 | 92,942 |
| Most Populous Countries in 1950 | 0 | - | 4.53 | 72,620 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 28,714 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 68,147 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,287 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,408 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,453 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,235 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,059 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 45,925 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 216,050 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,584,102 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 372,866 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,610 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 127,786 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,214 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 100,336 |
| Monarchies of Europe | 0 | - | 4.89 | 92,083 |
| Monarchies of Asia | 0 | - | 4.96 | 67,502 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 53,292 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 121,757 |
| Countries that Start with A | 0 | - | 4.98 | 2,040,929 |
| Countries that Start with B | 0 | - | 4.95 | 2,178,967 |
| Countries that Start with C | 0 | - | 4.96 | 1,727,590 |
| Countries that Start with D | 0 | - | 4.96 | 645,851 |
| Countries that Start with E | 0 | - | 4.95 | 1,298,125 |
| Countries that Start with G | 0 | - | 4.97 | 1,419,930 |
| Countries that Start with H | 0 | - | 4.96 | 550,769 |
| Countries that Start with I | 0 | - | 4.92 | 1,222,442 |
| Countries that Start with J | 0 | - | 4.98 | 551,436 |
| Countries that Start with K | 0 | - | 4.96 | 761,041 |
| Countries that Start with L | 0 | - | 4.98 | 1,025,968 |
| Countries that Start with N | 0 | - | 4.93 | 1,052,736 |
| Countries that Start with P | 0 | - | 4.95 | 1,153,442 |
| Countries that Start with S | 0 | - | 4.98 | 1,672,939 |
| Countries that Start with T | 0 | - | 4.89 | 959,734 |
| Countries that Start with U | 0 | - | 4.97 | 862,065 |
| Countries that Start with V | 0 | - | 4.98 | 576,354 |
| Countries that Start with F | 0 | - | 4.83 | 573,256 |
| Countries that Start with M | 0 | - | 4.97 | 1,311,941 |
| The Only African Country ... | 0 | - | 4.98 | 123,824 |
| The Only American Country ... | 0 | - | 4.93 | 114,626 |
| African Countries by a Single Clue | 0 | - | 4.91 | 65,549 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 69,039 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 88,861 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,278 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 97,881 |
| European Countries with One Border | 0 | - | 4.97 | 173,370 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,076 |
| Countries Closest to Africa | 0 | - | 4.96 | 149,960 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,164 |
| Islands by Largest City #2 | 0 | - | 4.74 | 28,374 |
| Population Trivia | 0 | - | 4.33 | 26,860 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,941 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,037 |
| Biggest City by Region | 0 | - | 4.49 | 34,759 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,293 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,028 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,334 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,483 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,257 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,942 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,312 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 80,314 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 105,615 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,194 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 40,069 |
| World Capitals Quiz | 0 | - | 5.00 | 4,746,670 |
| Sahara Desert Countries | 0 | - | 4.98 | 140,984 |
| Himalayan Countries | 0 | - | 4.95 | 118,195 |
| Andean Countries | 0 | - | 4.92 | 66,166 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,264 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 54,926 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,076 |
| Coffee Producing Countries | 0 | - | 4.81 | 57,999 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,697 |
| Danube Countries | 0 | - | 4.97 | 59,752 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,415 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,828 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,003 |
| Countries with the Worst Passports | 0 | - | 4.92 | 59,925 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,036 |
| European Landlocked Countries | 0 | - | 4.99 | 139,705 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,149 |
| Countries with the Most Species | 0 | - | 4.99 | 91,621 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,645 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,237 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,368 |
