| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,944 |
| Countries with Megacities | 0 | - | 4.99 | 194,418 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,160 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,711 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,489 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,575 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,690 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,725 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,279 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,241 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,201 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,130 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,432 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,316 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,030 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,719 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,301 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,205 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,508 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,353 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,486 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,355 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 203,854 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,737 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,146 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,574 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,282 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,503 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,703 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,070 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,237 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 48,973 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,188 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,260 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,859 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,861 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 83,772 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,730 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,033 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,727 |
| Biggest Cities in the World | 0 | - | 4.89 | 677,483 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,383 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,364 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.88 | 50,293 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,198 |
| Biggest City by Time Zone | 0 | - | 4.82 | 53,226 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,374 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 166,964 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,684 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,254 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 53,530 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 69,982 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,069 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,940 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,366 |
| Olympic Host Countries | 0 | - | 4.98 | 160,174 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,727 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 228,573 |
| The Only European Country ... | 0 | - | 4.94 | 175,780 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 193,343 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,383 |
| Most Populous Country by First Two Letters | 0 | - | 4.72 | 66,390 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,527 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 366,848 |
| Biggest Cities in the United States | 0 | - | 4.92 | 807,358 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 320,518 |
| Countries of Africa | 0 | - | 5.00 | 2,137,786 |
| Most Populous Countries by Year | 0 | - | 4.78 | 92,566 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,834 |
| Boundary Waters | 0 | - | 4.93 | 80,410 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,699 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,078 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,293 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,425 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,388 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,597 |
| Megacities on a World Map | 0 | - | 4.98 | 218,936 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,342 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,648 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 82,796 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 149,861 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,207 |
| Countries of the Middle East | 0 | - | 4.96 | 171,196 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,660 |
| Slavic Countries | 0 | - | 4.96 | 99,727 |
| African Island Countries | 0 | - | 4.96 | 88,436 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,890 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,875 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,583 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 117,979 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 125,542 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,266 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,459 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,740 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,384 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,222 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,305 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,818 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,664 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 87,921 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,680 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 508,185 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,169,553 |
| Countries of North America Quiz | 0 | - | 5.00 | 868,060 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,755 |
| Most Populous Islands | 0 | - | 4.71 | 111,935 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,923 |
| Most Populous Countries in 1950 | 0 | - | 4.55 | 70,579 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,605 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,708 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,587 |
| Biggest Cities in Asia | 0 | - | 4.94 | 94,872 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,873 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,694 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.89 | 205,288 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,391,318 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,638 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 100,877 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,461 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,905 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,302 |
| Monarchies of Europe | 0 | - | 4.88 | 86,146 |
| Monarchies of Asia | 0 | - | 4.95 | 53,548 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,154 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,735 |
| Countries that Start with A | 0 | - | 4.98 | 1,924,210 |
| Countries that Start with B | 0 | - | 4.96 | 2,062,813 |
| Countries that Start with C | 0 | - | 4.96 | 1,630,478 |
| Countries that Start with D | 0 | - | 4.96 | 582,834 |
| Countries that Start with E | 0 | - | 4.95 | 1,219,153 |
| Countries that Start with G | 0 | - | 4.97 | 1,338,514 |
| Countries that Start with H | 0 | - | 4.95 | 496,952 |
| Countries that Start with I | 0 | - | 4.92 | 1,150,317 |
| Countries that Start with J | 0 | - | 4.98 | 500,638 |
| Countries that Start with K | 0 | - | 4.97 | 703,170 |
| Countries that Start with L | 0 | - | 4.98 | 961,206 |
| Countries that Start with N | 0 | - | 4.92 | 987,626 |
| Countries that Start with P | 0 | - | 4.94 | 1,090,633 |
| Countries that Start with S | 0 | - | 4.98 | 1,591,102 |
| Countries that Start with T | 0 | - | 4.88 | 900,662 |
| Countries that Start with U | 0 | - | 4.96 | 813,501 |
| Countries that Start with V | 0 | - | 4.98 | 545,009 |
| Countries that Start with F | 0 | - | 4.83 | 530,219 |
| Countries that Start with M | 0 | - | 4.97 | 1,243,094 |
| The Only African Country ... | 0 | - | 4.98 | 104,475 |
| The Only American Country ... | 0 | - | 4.94 | 108,778 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,151 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,437 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,693 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,156 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,376 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,232 |
| European Countries with One Border | 0 | - | 4.96 | 148,997 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,260 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,534 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,096 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,758 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,589 |
| Population Trivia | 0 | - | 4.35 | 26,216 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,280 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,863 |
| Biggest City by Region | 0 | - | 4.48 | 33,192 |
| Most Populous 2nd Cities | 0 | - | 4.72 | 52,962 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,034 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,225 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,175 |
| Largest World Capitals with Exceptions | 0 | - | 4.71 | 50,193 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 67,602 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 301,053 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 95,950 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,785 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 45,966 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,159 |
| World Capitals Quiz | 0 | - | 5.00 | 4,453,362 |
| Countries on the Equator | 0 | - | 4.82 | 131,867 |
| Members of the Arab League | 0 | - | 4.81 | 58,875 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,934 |
| Himalayan Countries | 0 | - | 4.95 | 102,228 |
| Andean Countries | 0 | - | 4.90 | 56,785 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,604 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,499 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,801 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,465 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,660 |
| Danube Countries | 0 | - | 4.97 | 56,325 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,347 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,560 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,194 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,710 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,295 |
| European Landlocked Countries | 0 | - | 4.99 | 114,795 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,661 |
| Countries with the Most Species | 0 | - | 4.99 | 89,058 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,724 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,404 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,778 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,698 |
| UK Immigration by Country | 0 | - | 4.95 | 123,989 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,067 |
