| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,814 |
| Countries with Megacities | 0 | - | 4.99 | 197,111 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,450 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,886 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,300 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,851 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,818 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,311,321 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,603 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,111 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,028 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,014 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,950 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 69,626 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,192 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,786 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,742 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,675 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,589 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,306 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,471 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,988 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,253 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,595 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,608 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,137 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,670 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,939 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,757 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 144,839 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,542 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,480 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.97 | 5,863 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,269 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 160,902 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,373 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,855 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,757 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,892 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,077 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,791 |
| Biggest Cities in the World | 0 | - | 4.89 | 687,138 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.38 | 66,896 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,111 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 50,761 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,985 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,423 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,848 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,841 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,116 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,280 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,943 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,478 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,278 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,379 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,379 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,980 |
| Olympic Host Countries | 0 | - | 4.98 | 161,831 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,233 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 233,313 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,119 |
| The Only European Country ... | 0 | - | 4.94 | 178,486 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,374 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,648 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,935 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,785 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,335 |
| Biggest Cities in the United States | 0 | - | 4.93 | 820,643 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,032 |
| Countries of Africa | 0 | - | 5.00 | 2,167,514 |
| Most Populous Countries by Year | 0 | - | 4.80 | 93,718 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,486 |
| Boundary Waters | 0 | - | 4.93 | 81,119 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,750 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,039 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,960 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,871 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,535 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,834 |
| Megacities on a World Map | 0 | - | 4.98 | 220,735 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,871 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,460 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,398 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,252 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 186,159 |
| Countries of the Middle East | 0 | - | 4.96 | 173,224 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,682 |
| Slavic Countries | 0 | - | 4.96 | 100,492 |
| African Island Countries | 0 | - | 4.96 | 89,328 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,316 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,984 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,592 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,331 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 126,907 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,495 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,628 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,028 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,267 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,389 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,675 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,850 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,713 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,557 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 513,692 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,184,291 |
| Countries of North America Quiz | 0 | - | 5.00 | 879,635 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 30,118 |
| Most Populous Islands | 0 | - | 4.71 | 112,741 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,135 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 70,919 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 31,372 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 25,172 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,389 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,914 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,893 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,457 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,577 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 207,002 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,921,642 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,689 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,077 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,596 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,832 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,127 |
| Monarchies of Europe | 0 | - | 4.88 | 87,006 |
| Monarchies of Asia | 0 | - | 4.95 | 54,013 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,695 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 111,559 |
| Countries that Start with A | 0 | - | 4.98 | 1,944,033 |
| Countries that Start with B | 0 | - | 4.95 | 2,082,554 |
| Countries that Start with C | 0 | - | 4.96 | 1,647,151 |
| Countries that Start with D | 0 | - | 4.96 | 593,472 |
| Countries that Start with E | 0 | - | 4.95 | 1,232,571 |
| Countries that Start with G | 0 | - | 4.97 | 1,351,929 |
| Countries that Start with H | 0 | - | 4.95 | 506,146 |
| Countries that Start with I | 0 | - | 4.92 | 1,162,266 |
| Countries that Start with J | 0 | - | 4.98 | 509,268 |
| Countries that Start with K | 0 | - | 4.96 | 713,256 |
| Countries that Start with L | 0 | - | 4.98 | 972,014 |
| Countries that Start with N | 0 | - | 4.92 | 998,345 |
| Countries that Start with P | 0 | - | 4.95 | 1,100,972 |
| Countries that Start with S | 0 | - | 4.98 | 1,604,956 |
| Countries that Start with T | 0 | - | 4.89 | 910,454 |
| Countries that Start with U | 0 | - | 4.96 | 821,799 |
| Countries that Start with V | 0 | - | 4.98 | 550,247 |
| Countries that Start with F | 0 | - | 4.83 | 537,544 |
| Countries that Start with M | 0 | - | 4.97 | 1,254,462 |
| The Only African Country ... | 0 | - | 4.98 | 105,194 |
| The Only American Country ... | 0 | - | 4.94 | 109,674 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,475 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,918 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,845 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,555 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,804 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 91,382 |
| European Countries with One Border | 0 | - | 4.96 | 150,538 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,442 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 88,322 |
| Countries Closest to Africa | 0 | - | 4.95 | 145,191 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,324 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,754 |
| Population Trivia | 0 | - | 4.35 | 26,321 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,548 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,075 |
| Biggest City by Region | 0 | - | 4.49 | 33,648 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,384 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,762 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,875 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,243 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,304 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,363 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,645 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,161 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,531 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,031 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,490 |
| World Capitals Quiz | 0 | - | 5.00 | 4,497,278 |
| Members of the Arab League | 0 | - | 4.85 | 61,864 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,878 |
| Himalayan Countries | 0 | - | 4.94 | 104,744 |
| Andean Countries | 0 | - | 4.91 | 58,068 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,026 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,314 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,677 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,022 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,281 |
| Danube Countries | 0 | - | 4.97 | 56,628 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,665 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,832 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,176 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,332 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,505 |
| European Landlocked Countries | 0 | - | 4.99 | 115,496 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,317 |
| Countries with the Most Species | 0 | - | 4.99 | 89,523 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,327 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,670 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,996 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,244 |
