| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,548 |
| Countries with Megacities | 0 | - | 4.99 | 196,724 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,130 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,712 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,031 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,677 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,368 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,683 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,998 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,991 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,772 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,879 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,868 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,972 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,022 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,143 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,607 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,567 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,387 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,120 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,255 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,014 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,466 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,537 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,050 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,606 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,870 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,627 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 144,154 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 204,851 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 160,649 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,113 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,720 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,498 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,635 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,708 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,403 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,766 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,648 |
| Biggest Cities in the World | 0 | - | 4.89 | 685,782 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 50,683 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.38 | 66,828 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,991 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,883 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,260 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,643 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,418 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,908 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 95,990 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,782 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,282 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,091 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,310 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,327 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,638 |
| Olympic Host Countries | 0 | - | 4.98 | 161,632 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 91,932 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 232,696 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,036 |
| The Only European Country ... | 0 | - | 4.94 | 178,003 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,228 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,610 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,758 |
| Biggest Cities in the United States | 0 | - | 4.92 | 814,832 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,442 |
| Countries of Africa | 0 | - | 5.00 | 2,162,620 |
| Most Populous Countries by Year | 0 | - | 4.80 | 93,558 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,857 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,735 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,372 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,923 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,741 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,765 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,320 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,666 |
| Megacities on a World Map | 0 | - | 4.98 | 220,529 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,781 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,796 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,323 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,164 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,047 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,181,721 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 185,654 |
| Countries of the Middle East | 0 | - | 4.96 | 172,802 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,417 |
| Slavic Countries | 0 | - | 4.96 | 100,297 |
| African Island Countries | 0 | - | 4.96 | 89,183 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,249 |
| Countries of North America Quiz | 0 | - | 5.00 | 877,605 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,809 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,445 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,147 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 126,746 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,440 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,348 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,487 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,936 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,154 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,271 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,547 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,687 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,580 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,430 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 70,860 |
| Boundary Waters | 0 | - | 4.93 | 81,024 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,586 |
| Most Populous Islands | 0 | - | 4.71 | 112,625 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,031 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,300 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,710 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,731 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,369 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,443 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 206,705 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,699 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,440 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,696 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,990 |
| Monarchies of Europe | 0 | - | 4.88 | 86,878 |
| Monarchies of Asia | 0 | - | 4.95 | 53,928 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,628 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 31,234 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 111,287 |
| Countries that Start with A | 0 | - | 4.98 | 1,941,033 |
| Countries that Start with B | 0 | - | 4.95 | 2,079,633 |
| Countries that Start with C | 0 | - | 4.96 | 1,644,677 |
| Countries that Start with D | 0 | - | 4.96 | 591,947 |
| Countries that Start with E | 0 | - | 4.95 | 1,230,611 |
| Countries that Start with G | 0 | - | 4.97 | 1,349,926 |
| Countries that Start with H | 0 | - | 4.95 | 504,810 |
| Countries that Start with I | 0 | - | 4.92 | 1,160,411 |
| Countries that Start with J | 0 | - | 4.98 | 507,999 |
| Countries that Start with K | 0 | - | 4.96 | 711,841 |
| Countries that Start with L | 0 | - | 4.98 | 970,231 |
| Countries that Start with N | 0 | - | 4.93 | 996,731 |
| Countries that Start with P | 0 | - | 4.95 | 1,099,462 |
| Countries that Start with S | 0 | - | 4.98 | 1,602,840 |
| Countries that Start with T | 0 | - | 4.89 | 908,975 |
| Countries that Start with U | 0 | - | 4.96 | 820,563 |
| Countries that Start with V | 0 | - | 4.98 | 549,458 |
| Countries that Start with F | 0 | - | 4.83 | 536,457 |
| Countries that Start with M | 0 | - | 4.97 | 1,252,604 |
| The Only African Country ... | 0 | - | 4.98 | 105,092 |
| The Only American Country ... | 0 | - | 4.94 | 109,548 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,430 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 25,089 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,837 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,317 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,463 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,566 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 91,196 |
| European Countries with One Border | 0 | - | 4.96 | 150,360 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,257 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 88,194 |
| Countries Closest to Africa | 0 | - | 4.95 | 145,081 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,836,420 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,035 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,508 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,040 |
| Biggest City by Region | 0 | - | 4.49 | 33,610 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,342 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,695 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,807 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,983 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,142 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,346 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,505 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,647 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,317 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,991 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,419 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 322,612 |
| UK Immigration by Country | 0 | - | 4.95 | 125,024 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 46,416 |
| Countries with Major League Baseball Players | 0 | - | 4.56 | 53,049 |
| Countries with the Fastest Marathoners | 0 | - | 4.50 | 85,626 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 48,473 |
| Central American Countries | 0 | - | 4.98 | 138,922 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,250 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,523 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,227 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 84,434 |
| African Countries with the Most Christians | 0 | - | 4.92 | 67,271 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.43 | 51,733 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,293 |
| Most Forested European Countries | 0 | - | 4.82 | 68,107 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 178,563 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 109,448 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 101,639 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,251 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 92,009 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,388 |
| European Countries NOT in NATO | 0 | - | 4.76 | 35,061 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.46 | 77,382 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 70,372 |
| The Only Remaining Asian Country . . . | 0 | - | 4.72 | 39,772 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,631 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,374 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,391 |
| Countries That Border Russia | 0 | - | 4.98 | 425,531 |
