| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,259 |
| Countries with Megacities | 0 | - | 4.99 | 194,935 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,595 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,925 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,792 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,781 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,256 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,302,762 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,662 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,409 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,548 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,275 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,514 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,459 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,251 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,903 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,704 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,294 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,704 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,524 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,492 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,092 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,895 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,224 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,680 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,357 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,593 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,879 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,254 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,291 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,061 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,526 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,514 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 156,093 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,978 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,186 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,954 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,195 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,994 |
| Biggest Cities in the World | 0 | - | 4.89 | 679,355 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,503 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,484 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.88 | 50,378 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,335 |
| Biggest City by Time Zone | 0 | - | 4.83 | 53,510 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,696 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 167,583 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,952 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,670 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 63,062 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 70,320 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,329 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 42,043 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,619 |
| Olympic Host Countries | 0 | - | 4.98 | 160,553 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,998 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 229,581 |
| The Only European Country ... | 0 | - | 4.94 | 176,158 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,289 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,419 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 66,483 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,574 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 367,636 |
| Biggest Cities in the United States | 0 | - | 4.92 | 809,126 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 321,004 |
| Countries of Africa | 0 | - | 5.00 | 2,143,742 |
| Most Populous Countries by Year | 0 | - | 4.79 | 92,679 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,959 |
| Boundary Waters | 0 | - | 4.93 | 80,491 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,888 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,218 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,524 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,525 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,763 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,793 |
| Megacities on a World Map | 0 | - | 4.98 | 219,210 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,451 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,797 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 83,109 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,139 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,624 |
| Countries of the Middle East | 0 | - | 4.96 | 171,549 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,830 |
| Slavic Countries | 0 | - | 4.96 | 99,836 |
| African Island Countries | 0 | - | 4.96 | 88,603 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,959 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,049 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,785 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,266 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 125,848 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,515 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,646 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,914 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,463 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,372 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,528 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,021 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,014 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,118 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,900 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 509,216 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,064 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,203 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,820 |
| Most Populous Islands | 0 | - | 4.71 | 112,075 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,949 |
| Most Populous Countries in 1950 | 0 | - | 4.55 | 70,639 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 30,555 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,695 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,847 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,805 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,079 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,994 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,881 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 205,664 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,492,218 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,842 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,015 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,684 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,063 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,475 |
| Monarchies of Europe | 0 | - | 4.88 | 86,316 |
| Monarchies of Asia | 0 | - | 4.95 | 53,620 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,281 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,024 |
| Countries that Start with A | 0 | - | 4.98 | 1,928,020 |
| Countries that Start with B | 0 | - | 4.96 | 2,066,579 |
| Countries that Start with C | 0 | - | 4.96 | 1,633,715 |
| Countries that Start with D | 0 | - | 4.96 | 584,879 |
| Countries that Start with E | 0 | - | 4.95 | 1,221,711 |
| Countries that Start with G | 0 | - | 4.97 | 1,341,095 |
| Countries that Start with H | 0 | - | 4.95 | 498,720 |
| Countries that Start with I | 0 | - | 4.92 | 1,152,628 |
| Countries that Start with J | 0 | - | 4.98 | 502,236 |
| Countries that Start with K | 0 | - | 4.97 | 705,018 |
| Countries that Start with L | 0 | - | 4.98 | 963,245 |
| Countries that Start with N | 0 | - | 4.92 | 989,714 |
| Countries that Start with P | 0 | - | 4.94 | 1,092,549 |
| Countries that Start with S | 0 | - | 4.98 | 1,593,813 |
| Countries that Start with T | 0 | - | 4.88 | 902,507 |
| Countries that Start with U | 0 | - | 4.96 | 815,096 |
| Countries that Start with V | 0 | - | 4.98 | 545,956 |
| Countries that Start with F | 0 | - | 4.83 | 531,617 |
| Countries that Start with M | 0 | - | 4.97 | 1,245,253 |
| The Only African Country ... | 0 | - | 4.99 | 104,588 |
| The Only American Country ... | 0 | - | 4.94 | 108,925 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,209 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,518 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,840 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,219 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,645 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,453 |
| European Countries with One Border | 0 | - | 4.96 | 149,378 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,454 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,674 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,563 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,870 |
| 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 | 42,899 |
| Biggest City by Region | 0 | - | 4.49 | 33,435 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,079 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,126 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,133 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,569 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,426 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,231 |
| Two Largest Cities by First Two Letters | 0 | - | 4.59 | 67,780 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 301,688 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 96,261 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,836 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,015 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,204 |
| World Capitals Quiz | 0 | - | 5.00 | 4,462,070 |
| Countries on the Equator | 0 | - | 4.82 | 132,737 |
| Members of the Arab League | 0 | - | 4.82 | 59,384 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,222 |
| Himalayan Countries | 0 | - | 4.95 | 102,569 |
| Andean Countries | 0 | - | 4.90 | 56,991 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,834 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,601 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,927 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,569 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,768 |
| 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 | 64,610 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,388 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,813 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,428 |
| European Landlocked Countries | 0 | - | 4.99 | 114,854 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,796 |
| Countries with the Most Species | 0 | - | 4.99 | 89,094 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,864 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,454 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,828 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,786 |
| UK Immigration by Country | 0 | - | 4.95 | 124,228 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,141 |
