| Olympic Host Countries | 0 | - | 4.98 | 200,344 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,845 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,908 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,236 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,890 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,078 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,366 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,990 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,560 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,377 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,166 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,083 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,796 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,461 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,009 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,651 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,962 |
| Countries with Megacities | 0 | - | 4.99 | 258,385 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,831 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,955 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,114 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,962 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,757 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,766 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,266 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,278 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,003 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,538 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,370 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,660 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,252 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,351 |
| North American Sports Cities | 0 | - | 4.83 | 171,744 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,531 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,595 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,820 |
| The Only European Country ... | 0 | - | 4.91 | 215,974 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,725 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,765 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,577 |
| Countries of Africa | 0 | - | 5.00 | 2,529,930 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,725 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,431 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,121 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,363 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,196 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,682 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,964 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,144 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,712 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,087 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,067 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,402 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,152 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,429 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,068 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,180 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,156 |
| Countries of the Middle East | 0 | - | 4.96 | 200,728 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,996 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,554 |
| Slavic Countries | 0 | - | 4.96 | 111,487 |
| African Island Countries | 0 | - | 4.96 | 101,415 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,787 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,769 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,886 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,510 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,650 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,273 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,155 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,635 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,420 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,522 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,509 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,083 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,963 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,381 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,991 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,966 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,803 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,071 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,413 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,494 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,005 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,612 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,340 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,024 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,567 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,281 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,722 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,037 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,929 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,930 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| Monarchies of Asia | 0 | - | 4.97 | 70,975 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,275 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,656 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,669 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,995 |
| Countries that Start with D | 0 | - | 4.96 | 707,478 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,687 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,338 |
| Countries that Start with H | 0 | - | 4.96 | 602,960 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,030 |
| Countries that Start with J | 0 | - | 4.98 | 600,810 |
| Countries that Start with K | 0 | - | 4.97 | 813,896 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,759 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,712 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,220 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,252 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,404 |
| Countries that Start with U | 0 | - | 4.97 | 903,293 |
| Countries that Start with V | 0 | - | 4.98 | 608,349 |
| Countries that Start with F | 0 | - | 4.83 | 616,209 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,481 |
| The Only African Country ... | 0 | - | 4.98 | 128,924 |
| The Only American Country ... | 0 | - | 4.92 | 121,397 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,057 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,635 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,664 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,244 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,770 |
| European Countries with One Border | 0 | - | 4.97 | 182,508 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,315 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,981 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,766 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,121 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,301 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,203 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,348 |
| Countries That Border Russia | 0 | - | 4.98 | 461,088 |
| Countries Bordering France | 0 | - | 4.83 | 401,868 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,590 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,313 |
| UK Immigration by Country | 0 | - | 4.94 | 140,669 |
| Boxing Countries | 0 | - | 4.26 | 31,324 |
| Central American Countries | 0 | - | 4.98 | 155,884 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,313 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,710 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,004 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,439 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,190 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,926 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,328 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 130,476 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,914 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,303 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,120 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,928 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,705 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,876 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,778 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,817 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,877 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,496 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,946 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,770 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,286 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,929 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,757 |
| Name a Valid African Country | 0 | - | 4.98 | 153,751 |
| Germany Country Quiz | 0 | - | 4.82 | 157,572 |
| Russia Country Quiz | 0 | - | 4.85 | 114,275 |
| Italy Country Quiz | 0 | - | 4.82 | 123,188 |
| Japan Country Quiz | 0 | - | 4.93 | 142,206 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,450 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,235 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,014 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,291 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,673 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,413 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,385 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,650 |
| Syria Country Quiz | 0 | - | 4.81 | 32,672 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,495 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,719 |
| Palau Country Quiz | 0 | - | 4.90 | 22,969 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,072 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,891 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,497 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,930 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,543 |
| Random European Capital to Country | 0 | - | 4.98 | 190,618 |
| Random European Country to Capital | 0 | - | 4.93 | 164,551 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,190 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,588 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,320,877 |
| Landlocked Countries | 0 | - | 4.99 | 418,717 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,040 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,272 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,327 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,380 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,558 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,225 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,083 |
