| Olympic Host Countries | 0 | - | 4.98 | 164,579 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 196,087 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 129,011 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,233 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,406 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.69 | 85,600 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,682 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 240,443 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 87,256 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.46 | 78,840 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 33,246 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,336 |
| Countries with Megacities | 0 | - | 4.99 | 202,232 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,702 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,132 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,490 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,080 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,570 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.46 | 156,750 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,585 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,734 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 47,090 |
| Countries with Major League Baseball Players | 0 | - | 4.55 | 53,912 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 49,549 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 52,273 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,588 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,631 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,727 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,354 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,430 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,508 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,683 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,842 |
| The Only European Country ... | 0 | - | 4.93 | 183,617 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,154 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,413 |
| Countries of Africa | 0 | - | 5.00 | 2,220,739 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 86,837 |
| Countries With the Most NBA Players | 0 | - | 4.45 | 83,602 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,822 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,988 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,441 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,563 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,032 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,209 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 73,134 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 208,042 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 111,058 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,433 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 77,095 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,313 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,710 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 88,291 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,211,201 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,226 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 191,022 |
| Countries of the Middle East | 0 | - | 4.95 | 177,479 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,604 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 63,109 |
| Slavic Countries | 0 | - | 4.96 | 101,700 |
| Countries that Export the Most Football Players | 0 | - | 4.39 | 49,388 |
| African Island Countries | 0 | - | 4.96 | 91,227 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,089 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 154,884 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 148,554 |
| Countries of North America Quiz | 0 | - | 5.00 | 899,192 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 113,039 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 95,405 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,875 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,187 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,372 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,801 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,960 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,376 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,323 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,747 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,664 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,343 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,333 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 210,010 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,480 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,890 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 92,009 |
| Countries by Population Decrease | 0 | - | 4.43 | 47,056 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,957 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 148,148 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,498 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.89 | 15,899 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,680 |
| Winter Olympics Hosts Quiz | 0 | - | 4.40 | 73,311 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 210,093 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,427 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,545 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,438 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,523 |
| Monarchies of Europe | 0 | - | 4.89 | 88,348 |
| Monarchies of Asia | 0 | - | 4.95 | 54,882 |
| Athletes by Country Quiz #1 | 0 | - | 4.34 | 44,307 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,700 |
| Countries that Start with A | 0 | - | 4.98 | 1,978,958 |
| Countries that Start with B | 0 | - | 4.95 | 2,118,037 |
| Countries that Start with C | 0 | - | 4.96 | 1,676,636 |
| Countries that Start with D | 0 | - | 4.96 | 612,348 |
| Countries that Start with E | 0 | - | 4.95 | 1,256,050 |
| Countries that Start with G | 0 | - | 4.97 | 1,376,051 |
| Countries that Start with H | 0 | - | 4.96 | 522,444 |
| Countries that Start with I | 0 | - | 4.92 | 1,183,612 |
| Countries that Start with J | 0 | - | 4.98 | 524,645 |
| Countries that Start with K | 0 | - | 4.96 | 730,823 |
| Countries that Start with L | 0 | - | 4.98 | 991,263 |
| Countries that Start with N | 0 | - | 4.93 | 1,017,587 |
| Countries that Start with P | 0 | - | 4.95 | 1,120,027 |
| Countries that Start with S | 0 | - | 4.98 | 1,629,992 |
| Countries that Start with T | 0 | - | 4.89 | 928,356 |
| Countries that Start with U | 0 | - | 4.97 | 836,363 |
| Countries that Start with V | 0 | - | 4.98 | 559,943 |
| Countries that Start with F | 0 | - | 4.84 | 550,828 |
| Countries that Start with M | 0 | - | 4.97 | 1,274,899 |
| The Only African Country ... | 0 | - | 4.99 | 121,327 |
| The Only American Country ... | 0 | - | 4.94 | 111,706 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,335 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,605 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,199 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 85,585 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,587 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,549 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 93,632 |
| European Countries with One Border | 0 | - | 4.96 | 152,801 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,673 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,780 |
| Boundary Waters | 0 | - | 4.93 | 82,094 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,575 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,486 |
| UK Immigration by Country | 0 | - | 4.94 | 127,635 |
| Boxing Countries | 0 | - | 4.24 | 29,790 |
| Central American Countries | 0 | - | 4.98 | 141,593 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,786 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,408 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,634 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 86,324 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,608 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,628 |
| Most Forested European Countries | 0 | - | 4.82 | 69,470 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 182,222 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 111,624 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,879 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,170 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,512 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 53,284 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.27 | 29,598 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 71,781 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 183,237 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 117,197 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,365 |
| Countries That Border Russia | 0 | - | 4.98 | 431,617 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.90 | 82,659 |
| Countries Bordering France | 0 | - | 4.87 | 361,954 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,786 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 85,320 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 61,328 |
| Countries Closest to Australia | 0 | - | 4.99 | 147,208 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,946 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 193,278 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,845 |
| Germany Country Quiz | 0 | - | 4.82 | 143,143 |
| Russia Country Quiz | 0 | - | 4.85 | 105,130 |
| Italy Country Quiz | 0 | - | 4.81 | 111,601 |
| Japan Country Quiz | 0 | - | 4.92 | 121,698 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 121,955 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,370 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,633 |
| Kenya Country Quiz | 0 | - | 4.87 | 31,642 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 94,324 |
| North American Sports Cities | 0 | - | 4.79 | 161,292 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 95,829 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,845,747 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,395 |
| European Countries NOT in NATO | 0 | - | 4.79 | 36,423 |
| The Only Remaining Asian Country . . . | 0 | - | 4.70 | 40,842 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,734 |
| Palau Country Quiz | 0 | - | 4.88 | 20,834 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,840 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,792 |
| World Capitals Quiz | 0 | - | 5.00 | 4,585,183 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,565 |
| Random European Capital to Country | 0 | - | 4.97 | 155,273 |
| Random European Country to Capital | 0 | - | 4.93 | 137,185 |
| Random Asian Country to Capital | 0 | - | 4.93 | 87,070 |
| Random Asian Capital to Country | 0 | - | 4.97 | 91,091 |
| Random African Country to Capital | 0 | - | 4.94 | 63,411 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,811 |
| South China Sea Countries | 0 | - | 4.82 | 54,384 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,709 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 84,010 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,411 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 67,945 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,182,934 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,567 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 57,812 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,801 |
