| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,774 |
| Countries with Megacities | 0 | - | 4.99 | 200,050 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,611 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,093 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,150 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,076 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,853 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,423 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,696 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,886 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,991 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,909 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,923 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,520 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,702 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,542 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,866 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,764 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,075 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,634 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,394 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,378 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,966 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,675 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,343 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,072 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,625 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,002 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,339 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,659 |
| African Island Countries | 0 | - | 4.96 | 90,484 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,889 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 147,072 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,962 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,053 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,333 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,860 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,815 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,186 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,160 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,119 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.90 | 7,233 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,915 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,553 |
| Biggest Cities in the World | 0 | - | 4.90 | 695,909 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,149 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,250 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,726 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,618 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,322 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,260 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,371 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,288 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,377 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,046 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,638 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,247 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,763 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,373 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,735 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,904 |
| Olympic Host Countries | 0 | - | 4.98 | 163,409 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,256 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 237,115 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,530 |
| The Only European Country ... | 0 | - | 4.93 | 181,324 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,457 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,063 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.87 | 135,254 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,516 |
| Biggest Cities in the United States | 0 | - | 4.93 | 842,732 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,042 |
| Countries of Africa | 0 | - | 5.00 | 2,196,721 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,402 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,026 |
| Biggest City by Island | 0 | - | 4.57 | 45,973 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,641 |
| Asian Island Nations | 0 | - | 4.66 | 89,166 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,683 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,512 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,163 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,701 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,811 |
| Megacities on a World Map | 0 | - | 4.98 | 222,658 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,277 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,439 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,139 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,678 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,404 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,199,317 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 188,855 |
| Countries of the Middle East | 0 | - | 4.96 | 175,693 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,776 |
| Slavic Countries | 0 | - | 4.96 | 101,204 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,759 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,384 |
| Islands by Country #1 | 0 | - | 4.87 | 164,386 |
| Countries of North America Quiz | 0 | - | 5.00 | 890,273 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,119 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,630 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,796 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 127,871 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,850 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,228 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,024 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,600 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,514 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,580 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,935 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,823 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,719 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,651 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,184 |
| Boundary Waters | 0 | - | 4.93 | 81,599 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,847 |
| Most Populous Islands | 0 | - | 4.71 | 113,474 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,472 |
| Most Populous Islands of Europe | 0 | - | 4.53 | 24,300 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,148 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,858 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,135 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,068 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,287 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,523 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,642 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,715 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,575 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,642 |
| Richest Island Countries | 0 | - | 4.87 | 88,582 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,904 |
| Monarchies of Europe | 0 | - | 4.88 | 87,692 |
| Monarchies of Asia | 0 | - | 4.95 | 54,487 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,072 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,356 |
| Countries that Start with A | 0 | - | 4.98 | 1,962,034 |
| Countries that Start with B | 0 | - | 4.95 | 2,101,031 |
| Countries that Start with C | 0 | - | 4.96 | 1,662,327 |
| Countries that Start with D | 0 | - | 4.96 | 603,201 |
| Countries that Start with E | 0 | - | 4.95 | 1,244,477 |
| Countries that Start with G | 0 | - | 4.97 | 1,364,153 |
| Countries that Start with H | 0 | - | 4.96 | 514,523 |
| Countries that Start with I | 0 | - | 4.92 | 1,173,351 |
| Countries that Start with J | 0 | - | 4.98 | 517,222 |
| Countries that Start with K | 0 | - | 4.96 | 722,311 |
| Countries that Start with L | 0 | - | 4.98 | 981,936 |
| Countries that Start with N | 0 | - | 4.93 | 1,008,386 |
| Countries that Start with P | 0 | - | 4.95 | 1,110,760 |
| Countries that Start with S | 0 | - | 4.98 | 1,617,693 |
| Countries that Start with T | 0 | - | 4.89 | 919,381 |
| Countries that Start with U | 0 | - | 4.96 | 829,080 |
| Countries that Start with V | 0 | - | 4.98 | 555,255 |
| Countries that Start with F | 0 | - | 4.83 | 544,451 |
| Countries that Start with M | 0 | - | 4.97 | 1,264,843 |
| The Only African Country ... | 0 | - | 4.99 | 119,991 |
| The Only American Country ... | 0 | - | 4.94 | 110,708 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,948 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,141 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,588 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,772 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,100 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,459 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,683 |
| European Countries with One Border | 0 | - | 4.96 | 151,918 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,541 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 89,036 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,118 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,422,639 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,604 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,098 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,235 |
| Biggest City by Region | 0 | - | 4.50 | 33,917 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,753 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,176 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,298 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,928 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,747 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,543 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,444 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,496 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,082 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,253 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,772 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,414 |
| UK Immigration by Country | 0 | - | 4.94 | 126,377 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 46,769 |
| Countries with Major League Baseball Players | 0 | - | 4.56 | 53,602 |
| Countries with the Fastest Marathoners | 0 | - | 4.50 | 86,464 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 48,975 |
| Central American Countries | 0 | - | 4.98 | 140,622 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,011 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,510 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,649 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 85,524 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,034 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.43 | 52,060 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,351 |
| Most Forested European Countries | 0 | - | 4.82 | 68,869 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 180,685 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 110,659 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 102,752 |
