| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,234 |
| Countries with Megacities | 0 | - | 4.99 | 200,691 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,449 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,360 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,539 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,358 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,650 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,324,031 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,399 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,089 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,367 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,136 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,042 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,793 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,133 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,131 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,239 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,158 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,181 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,929 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,349 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,639 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,369 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 207,056 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,526 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,176 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,748 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,086 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,437 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,849 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 145,286 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,606 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,871 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,215 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 12,602 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,575 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,455 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,806 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,074 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,449 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,415 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,103 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,719 |
| Biggest Cities in the World | 0 | - | 4.90 | 698,311 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,407 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,887 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,249 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,796 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,567 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,802 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 173,079 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,638 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,886 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,315 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,884 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,509 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,838 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,826 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,333 |
| Olympic Host Countries | 0 | - | 4.98 | 163,741 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,666 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 237,991 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,604 |
| The Only European Country ... | 0 | - | 4.93 | 181,979 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,640 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,108 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,473 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,087 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,454 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,897 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,553 |
| Countries of Africa | 0 | - | 5.00 | 2,203,138 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,786 |
| Boundary Waters | 0 | - | 4.93 | 81,657 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,022 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,859 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,824 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,233 |
| Most Populous World Capitals | 0 | - | 4.94 | 160,258 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,983 |
| Megacities on a World Map | 0 | - | 4.98 | 223,023 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,597 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,298 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,984 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,704 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 189,443 |
| Countries of the Middle East | 0 | - | 4.96 | 176,164 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,997 |
| Slavic Countries | 0 | - | 4.96 | 101,337 |
| African Island Countries | 0 | - | 4.96 | 90,684 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,864 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,617 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,344 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,850 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,108 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 128,128 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 200,139 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,536 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,255 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,690 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,704 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,782 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,109 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,067 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,894 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,829 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,393 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,202,507 |
| Countries of North America Quiz | 0 | - | 5.00 | 892,656 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,677 |
| Most Populous Islands | 0 | - | 4.71 | 113,643 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,492 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,254 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,247 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,321 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,089 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,398 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,189 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,433 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 209,030 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,541,844 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,922 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,859 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,858 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,801 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,055 |
| Monarchies of Europe | 0 | - | 4.88 | 87,843 |
| Monarchies of Asia | 0 | - | 4.95 | 54,609 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,180 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,727 |
| Countries that Start with A | 0 | - | 4.98 | 1,966,889 |
| Countries that Start with B | 0 | - | 4.95 | 2,105,815 |
| Countries that Start with C | 0 | - | 4.96 | 1,666,367 |
| Countries that Start with D | 0 | - | 4.96 | 605,766 |
| Countries that Start with E | 0 | - | 4.95 | 1,247,679 |
| Countries that Start with G | 0 | - | 4.97 | 1,367,651 |
| Countries that Start with H | 0 | - | 4.96 | 516,717 |
| Countries that Start with I | 0 | - | 4.92 | 1,176,218 |
| Countries that Start with J | 0 | - | 4.98 | 519,302 |
| Countries that Start with K | 0 | - | 4.96 | 724,775 |
| Countries that Start with L | 0 | - | 4.98 | 984,450 |
| Countries that Start with N | 0 | - | 4.93 | 1,010,906 |
| Countries that Start with P | 0 | - | 4.95 | 1,113,260 |
| Countries that Start with S | 0 | - | 4.98 | 1,621,096 |
| Countries that Start with T | 0 | - | 4.89 | 921,883 |
| Countries that Start with U | 0 | - | 4.96 | 830,920 |
| Countries that Start with V | 0 | - | 4.98 | 556,583 |
| Countries that Start with F | 0 | - | 4.84 | 546,226 |
| Countries that Start with M | 0 | - | 4.97 | 1,267,627 |
| The Only African Country ... | 0 | - | 4.99 | 120,683 |
| The Only American Country ... | 0 | - | 4.94 | 111,037 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,061 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,811 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 85,070 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,286 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,748 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,904 |
| European Countries with One Border | 0 | - | 4.96 | 152,152 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,799 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 89,199 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,288 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,048 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,973 |
| Population Trivia | 0 | - | 4.35 | 26,433 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,157 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,282 |
| Biggest City by Region | 0 | - | 4.50 | 33,952 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,825 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,279 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,403 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,332 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,049 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,593 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,616 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,198 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,430 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,311 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,843 |
| World Capitals Quiz | 0 | - | 5.00 | 4,552,389 |
| Members of the Arab League | 0 | - | 4.85 | 65,331 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,473 |
| Himalayan Countries | 0 | - | 4.94 | 107,690 |
| Andean Countries | 0 | - | 4.91 | 59,771 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,845 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,514 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,905 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,681 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,013 |
| Danube Countries | 0 | - | 4.96 | 57,091 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,106 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,191 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,365 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,146 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,444 |
| European Landlocked Countries | 0 | - | 4.99 | 136,824 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,544 |
| Countries with the Most Species | 0 | - | 4.99 | 89,782 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,037 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,924 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,231 |
