| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,323 |
| Countries with Megacities | 0 | - | 4.99 | 202,216 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,687 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,126 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,480 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,074 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,553 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,513 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,727 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,586 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,624 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,719 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,351 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,422 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,026 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,799 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,982 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,728 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,437 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,556 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,018 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,204 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 73,126 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 208,029 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 111,053 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,431 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 77,092 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,310 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,710 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 88,286 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 154,882 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 148,548 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 209,988 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,461 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,871 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 91,728 |
| Countries by Population Decrease | 0 | - | 4.43 | 47,053 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,906 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 148,144 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,489 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.89 | 15,897 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,674 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,225 |
| Biggest Cities in the World | 0 | - | 4.90 | 704,112 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,484 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,784 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 94,315 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,245 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,138 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,663 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,671 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,511 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,888 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 67,002 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,537 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 67,087 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,046 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 61,000 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,038 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,876 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,500 |
| Olympic Host Countries | 0 | - | 4.98 | 164,575 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,672 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 240,411 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,840 |
| The Only European Country ... | 0 | - | 4.93 | 183,598 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,152 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,409 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,890 |
| Biggest Cities in the United States | 0 | - | 4.93 | 850,456 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 339,015 |
| Countries of Africa | 0 | - | 5.00 | 2,220,544 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,734 |
| Demographics Multiple Choice | 0 | - | 4.66 | 40,242 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,217 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,315 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,641 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,612 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,665 |
| Megacities on a World Map | 0 | - | 4.98 | 223,961 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 523,894 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,988 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,856 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,308 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,878 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,211,018 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 191,007 |
| Countries of the Middle East | 0 | - | 4.95 | 177,468 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,596 |
| Slavic Countries | 0 | - | 4.96 | 101,698 |
| African Island Countries | 0 | - | 4.96 | 91,224 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,087 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 33,238 |
| Countries of North America Quiz | 0 | - | 5.00 | 899,167 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 113,027 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 95,401 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,869 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 129,004 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,179 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,362 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,791 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,957 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,371 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,315 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,742 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,653 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,333 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,325 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,451 |
| Boundary Waters | 0 | - | 4.93 | 82,092 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,571 |
| Most Populous Islands | 0 | - | 4.71 | 114,437 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,566 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,703 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,892 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,401 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,529 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,932 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,164 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 210,070 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,426 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,538 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,437 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,519 |
| Monarchies of Europe | 0 | - | 4.89 | 88,340 |
| Monarchies of Asia | 0 | - | 4.95 | 54,880 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,404 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,696 |
| Countries that Start with A | 0 | - | 4.98 | 1,978,845 |
| Countries that Start with B | 0 | - | 4.95 | 2,117,929 |
| Countries that Start with C | 0 | - | 4.96 | 1,676,532 |
| Countries that Start with D | 0 | - | 4.96 | 612,293 |
| Countries that Start with E | 0 | - | 4.95 | 1,255,973 |
| Countries that Start with G | 0 | - | 4.97 | 1,375,973 |
| Countries that Start with H | 0 | - | 4.96 | 522,389 |
| Countries that Start with I | 0 | - | 4.92 | 1,183,547 |
| Countries that Start with J | 0 | - | 4.98 | 524,597 |
| Countries that Start with K | 0 | - | 4.96 | 730,769 |
| Countries that Start with L | 0 | - | 4.98 | 991,188 |
| Countries that Start with N | 0 | - | 4.93 | 1,017,526 |
| Countries that Start with P | 0 | - | 4.95 | 1,119,969 |
| Countries that Start with S | 0 | - | 4.98 | 1,629,888 |
| Countries that Start with T | 0 | - | 4.89 | 928,302 |
| Countries that Start with U | 0 | - | 4.97 | 836,303 |
| Countries that Start with V | 0 | - | 4.98 | 559,915 |
| Countries that Start with F | 0 | - | 4.84 | 550,789 |
| Countries that Start with M | 0 | - | 4.97 | 1,274,828 |
| The Only African Country ... | 0 | - | 4.99 | 121,323 |
| The Only American Country ... | 0 | - | 4.94 | 111,701 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,332 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,601 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,193 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 85,579 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,584 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,536 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 93,629 |
| European Countries with One Border | 0 | - | 4.96 | 152,796 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,667 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,772 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,842,557 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,839 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,333 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,412 |
| Biggest City by Region | 0 | - | 4.50 | 34,089 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,104 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 68,697 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,593 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,876 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,702 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,133 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,390 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,550 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,470 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 39,047 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,358 |
| UK Immigration by Country | 0 | - | 4.94 | 127,629 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 47,089 |
| Countries with Major League Baseball Players | 0 | - | 4.55 | 53,910 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 87,253 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 49,544 |
| Central American Countries | 0 | - | 4.98 | 141,575 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,782 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,406 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,628 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 86,320 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,605 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 52,271 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,614 |
| Most Forested European Countries | 0 | - | 4.82 | 69,460 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 182,215 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 111,617 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,875 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,162 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,506 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 53,283 |
| European Countries NOT in NATO | 0 | - | 4.79 | 36,421 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.46 | 78,833 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 71,778 |
