| Olympic Host Countries | 0 | - | 4.98 | 187,261 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 133,275 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,421 |
| Summer Olympic City Bids | 0 | - | 4.93 | 39,107 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 253,245 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.46 | 158,620 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 90,356 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.45 | 81,421 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 200,750 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.53 | 87,681 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,271 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,800 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,027 |
| Countries with Megacities | 0 | - | 4.99 | 213,725 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 183,993 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,753 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,209 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,455 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,783 |
| Winter Olympics Hosts | 0 | - | 4.34 | 74,555 |
| Countries with Major League Baseball Players | 0 | - | 4.56 | 64,089 |
| Countries with the Most Golf Courses | 0 | - | 4.54 | 52,036 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 53,386 |
| Countries that Export the Most Football Players | 0 | - | 4.42 | 51,667 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,755 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,161 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,600 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,919 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,866 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,232 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,117 |
| The Only European Country ... | 0 | - | 4.92 | 194,085 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,726 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 88,993 |
| Countries of Africa | 0 | - | 5.00 | 2,317,289 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.46 | 90,564 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 93,015 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.27 | 29,907 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.71 | 35,994 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,412 |
| Most Populous Countries by Year | 0 | - | 4.81 | 100,910 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,144 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,322 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,359 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,093 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,730 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 212,892 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 128,917 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 71,697 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 79,585 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 56,010 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 69,662 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 91,263 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.38 | 56,288 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,252,540 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,249 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 199,846 |
| Countries of the Middle East | 0 | - | 4.95 | 185,006 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 80,917 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.12 | 65,918 |
| Slavic Countries | 0 | - | 4.96 | 105,112 |
| African Island Countries | 0 | - | 4.96 | 94,717 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,758 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 158,345 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 162,115 |
| Countries of North America Quiz | 0 | - | 5.00 | 938,232 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 117,932 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 99,689 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 126,983 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 206,545 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,378 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 146,684 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,687 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,542 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 143,891 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,129 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,537 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 93,453 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 101,650 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 217,553 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 170,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 167,948 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 97,516 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 103,786 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 152,152 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 167,344 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 216,066 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,618 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 127,799 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,228 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 100,351 |
| Monarchies of Europe | 0 | - | 4.89 | 92,094 |
| Monarchies of Asia | 0 | - | 4.96 | 67,506 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 121,782 |
| Countries that Start with A | 0 | - | 4.98 | 2,041,209 |
| Countries that Start with B | 0 | - | 4.95 | 2,179,257 |
| Countries that Start with C | 0 | - | 4.96 | 1,727,822 |
| Countries that Start with D | 0 | - | 4.96 | 645,983 |
| Countries that Start with E | 0 | - | 4.95 | 1,298,310 |
| Countries that Start with G | 0 | - | 4.97 | 1,420,124 |
| Countries that Start with H | 0 | - | 4.96 | 550,880 |
| Countries that Start with I | 0 | - | 4.92 | 1,222,616 |
| Countries that Start with J | 0 | - | 4.98 | 551,546 |
| Countries that Start with K | 0 | - | 4.96 | 761,156 |
| Countries that Start with L | 0 | - | 4.98 | 1,026,129 |
| Countries that Start with N | 0 | - | 4.93 | 1,052,884 |
| Countries that Start with P | 0 | - | 4.95 | 1,153,586 |
| Countries that Start with S | 0 | - | 4.98 | 1,673,112 |
| Countries that Start with T | 0 | - | 4.89 | 959,849 |
| Countries that Start with U | 0 | - | 4.97 | 862,152 |
| Countries that Start with V | 0 | - | 4.98 | 576,411 |
| Countries that Start with F | 0 | - | 4.83 | 573,335 |
| Countries that Start with M | 0 | - | 4.97 | 1,312,076 |
| The Only African Country ... | 0 | - | 4.98 | 123,833 |
| The Only American Country ... | 0 | - | 4.93 | 114,640 |
| African Countries by a Single Clue | 0 | - | 4.91 | 65,553 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 69,047 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 88,876 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,301 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 97,900 |
| European Countries with One Border | 0 | - | 4.97 | 173,388 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,091 |
| Countries Closest to Africa | 0 | - | 4.96 | 149,978 |
| Countries by Population Decrease | 0 | - | 4.46 | 48,146 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.56 | 61,312 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 18,894 |
| Athletes by Country Quiz #1 | 0 | - | 4.35 | 44,659 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 28,728 |
| Countries That Border Russia | 0 | - | 4.98 | 441,627 |
| Countries Bordering France | 0 | - | 4.87 | 370,734 |
| Countries Bordering Germany | 0 | - | 4.99 | 353,017 |
| FIFA World Cup Final Host Cities | 0 | - | 4.84 | 24,307 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 53,324 |
| UK Immigration by Country | 0 | - | 4.94 | 132,003 |
| Boxing Countries | 0 | - | 4.25 | 30,351 |
| Central American Countries | 0 | - | 4.98 | 146,580 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,289 |
| Total United States Immigration by Country | 0 | - | 4.88 | 102,926 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 100,145 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 90,552 |
| African Countries with the Most Christians | 0 | - | 4.92 | 71,161 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 199,531 |
| Most Forested European Countries | 0 | - | 4.78 | 72,002 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 188,226 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 114,695 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 107,542 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,016 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 96,395 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 55,052 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 74,497 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 186,450 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,515 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 119,502 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.85 | 85,040 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 87,522 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 64,289 |
| Countries Closest to Australia | 0 | - | 4.99 | 160,726 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 79,815 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 201,429 |
| Name a Valid Asian Country | 0 | - | 4.98 | 113,360 |
| Germany Country Quiz | 0 | - | 4.82 | 148,028 |
| Russia Country Quiz | 0 | - | 4.84 | 108,385 |
| Italy Country Quiz | 0 | - | 4.83 | 115,573 |
| Japan Country Quiz | 0 | - | 4.92 | 126,346 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 127,991 |
| Croatia Country Quiz | 0 | - | 4.81 | 40,167 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.84 | 32,908 |
| Tuvalu Country Quiz | 0 | - | 4.85 | 20,339 |
| Tonga Country Quiz | 0 | - | 4.82 | 19,277 |
| Kenya Country Quiz | 0 | - | 4.86 | 32,674 |
| Palau Country Quiz | 0 | - | 4.89 | 21,586 |
| Boundary Waters | 0 | - | 4.93 | 84,401 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,196 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 79,869 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 96,394 |
| North American Sports Cities | 0 | - | 4.77 | 164,973 |
| City by Football Clubs | 0 | - | 4.40 | 133,488 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 79,668 |
| Random European Capital to Country | 0 | - | 4.98 | 179,890 |
| Random European Country to Capital | 0 | - | 4.93 | 141,215 |
| Random Asian Country to Capital | 0 | - | 4.91 | 90,044 |
| Random Asian Capital to Country | 0 | - | 4.97 | 94,637 |
| Random African Country to Capital | 0 | - | 4.94 | 65,832 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,592,598 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 372,995 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 68,521 |
| South China Sea Countries | 0 | - | 4.82 | 55,868 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 47,684 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 132,853 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 85,918 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 92,724 |
| European Countries NOT in NATO | 0 | - | 4.75 | 38,443 |
| Countries in the Ottoman Empire | 0 | - | 4.88 | 69,513 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 61,291 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 57,466 |
| The Only Remaining Asian Country . . . | 0 | - | 4.70 | 42,393 |
| Every European Country Shape | 0 | - | 4.95 | 179,049 |
| Every Asian Country Shape | 0 | - | 4.94 | 80,320 |
| Every African Country Shape | 0 | - | 4.89 | 77,238 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.83 | 53,645 |
