| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,835 |
| Countries with Megacities | 0 | - | 4.99 | 200,141 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,685 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,134 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,213 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,115 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,983 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,838 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,979 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,917 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,051 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,949 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,940 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,565 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,748 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,801 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,640 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,920 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,093 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,674 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,583 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,415 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,035 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,730 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,375 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,083 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,647 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,015 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,352 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,693 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,933 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 147,159 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,824 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,129 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.90 | 7,283 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,035 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,111 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,393 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,878 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,235 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,192 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,943 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 44,578 |
| Biggest Cities in the World | 0 | - | 4.90 | 696,255 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,274 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,756 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,168 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,646 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,342 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,295 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,469 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,334 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,444 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,076 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,677 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,287 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,777 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,750 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,970 |
| Olympic Host Countries | 0 | - | 4.98 | 163,463 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,318 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 237,272 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,541 |
| The Only European Country ... | 0 | - | 4.93 | 181,418 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,487 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,069 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,417 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,032 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,642 |
| Biggest Cities in the United States | 0 | - | 4.93 | 843,045 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,120 |
| Countries of Africa | 0 | - | 5.00 | 2,197,686 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,664 |
| Boundary Waters | 0 | - | 4.93 | 81,608 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,867 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,707 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,563 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,176 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,726 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,845 |
| Megacities on a World Map | 0 | - | 4.98 | 222,714 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,464 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,164 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,717 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,457 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 188,950 |
| Countries of the Middle East | 0 | - | 4.96 | 175,767 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,817 |
| Slavic Countries | 0 | - | 4.96 | 101,230 |
| African Island Countries | 0 | - | 4.96 | 90,527 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,773 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,421 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,156 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,671 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,839 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 127,916 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,897 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,284 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,065 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,611 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,538 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,619 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,964 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,868 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,753 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,684 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,449 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,199,825 |
| Countries of North America Quiz | 0 | - | 5.00 | 890,618 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,611 |
| Most Populous Islands | 0 | - | 4.71 | 113,512 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,476 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,196 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,156 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,168 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,893 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,172 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,093 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,304 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,687 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,440,167 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,631 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,743 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,618 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,673 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,925 |
| Monarchies of Europe | 0 | - | 4.88 | 87,717 |
| Monarchies of Asia | 0 | - | 4.95 | 54,499 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,093 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,410 |
| Countries that Start with A | 0 | - | 4.98 | 1,962,787 |
| Countries that Start with B | 0 | - | 4.95 | 2,101,755 |
| Countries that Start with C | 0 | - | 4.96 | 1,662,950 |
| Countries that Start with D | 0 | - | 4.96 | 603,616 |
| Countries that Start with E | 0 | - | 4.95 | 1,244,967 |
| Countries that Start with G | 0 | - | 4.97 | 1,364,729 |
| Countries that Start with H | 0 | - | 4.96 | 514,891 |
| Countries that Start with I | 0 | - | 4.92 | 1,173,805 |
| Countries that Start with J | 0 | - | 4.98 | 517,566 |
| Countries that Start with K | 0 | - | 4.96 | 722,879 |
| Countries that Start with L | 0 | - | 4.98 | 982,349 |
| Countries that Start with N | 0 | - | 4.93 | 1,008,783 |
| Countries that Start with P | 0 | - | 4.95 | 1,111,126 |
| Countries that Start with S | 0 | - | 4.98 | 1,618,236 |
| Countries that Start with T | 0 | - | 4.89 | 919,985 |
| Countries that Start with U | 0 | - | 4.96 | 829,388 |
| Countries that Start with V | 0 | - | 4.98 | 555,472 |
| Countries that Start with F | 0 | - | 4.84 | 544,738 |
| Countries that Start with M | 0 | - | 4.97 | 1,265,276 |
| The Only African Country ... | 0 | - | 4.99 | 120,195 |
| The Only American Country ... | 0 | - | 4.94 | 110,783 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,969 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,607 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,804 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,115 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,511 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,719 |
| European Countries with One Border | 0 | - | 4.96 | 151,945 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,587 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 89,065 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,142 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,932 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,946 |
| Population Trivia | 0 | - | 4.35 | 26,416 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,106 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,243 |
| Biggest City by Region | 0 | - | 4.50 | 33,920 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,766 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,188 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,318 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,993 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,820 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,550 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,472 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,621 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,158 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,261 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,782 |
| World Capitals Quiz | 0 | - | 5.00 | 4,542,686 |
| Members of the Arab League | 0 | - | 4.85 | 64,850 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,118 |
| Himalayan Countries | 0 | - | 4.95 | 107,076 |
| Andean Countries | 0 | - | 4.91 | 59,572 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,635 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,349 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,747 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,594 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,902 |
| Danube Countries | 0 | - | 4.96 | 57,029 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,044 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,131 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,154 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,017 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,307 |
| European Landlocked Countries | 0 | - | 4.99 | 136,666 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,422 |
| Countries with the Most Species | 0 | - | 4.99 | 89,729 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,934 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,901 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,200 |
