| Olympic Host Countries | 0 | - | 4.98 | 202,353 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,445 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,883 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,790 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,619 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,699 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,104 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,789 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,920 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,850 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,008 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,596 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,641 |
| Countries with Megacities | 0 | - | 4.99 | 268,152 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,292 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,405 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,618 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,519 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,765 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,187 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,675 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,158 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,482 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,911 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,579 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,797 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,506 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,609 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,887 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,235 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,420 |
| North American Sports Cities | 0 | - | 4.82 | 173,353 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,356 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,315 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,595 |
| The Only European Country ... | 0 | - | 4.91 | 219,745 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,475 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,916 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,011 |
| Countries of Africa | 0 | - | 5.00 | 2,566,228 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,839 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,559 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,118 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,840 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,796 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,718 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,001 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,645 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,917 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,936 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,102 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,113 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,062 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,642 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,317 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,589 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,951 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,912 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,707 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,415 |
| Countries of the Middle East | 0 | - | 4.96 | 203,366 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,430 |
| Slavic Countries | 0 | - | 4.96 | 112,555 |
| African Island Countries | 0 | - | 4.96 | 102,792 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,708 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,266 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,880 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,465 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,938 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,087 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,549 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,048 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,258 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,844 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,785 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,099 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,024 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,588 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,121 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,768 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,113 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,371 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,846 |
| Boundary Waters | 0 | - | 4.92 | 88,870 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,485 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,897 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,032 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,554 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,412 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,147 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,036 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,006 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,155 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,560 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,945 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,414 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,838 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,226 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,624 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,352 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,812 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,650 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,291 |
| Monarchies of Europe | 0 | - | 4.90 | 99,081 |
| Monarchies of Asia | 0 | - | 4.97 | 71,642 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,385 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,473 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,944 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,365 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,002 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,191 |
| Countries that Start with D | 0 | - | 4.96 | 718,355 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,337 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,935 |
| Countries that Start with H | 0 | - | 4.96 | 610,961 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,463 |
| Countries that Start with J | 0 | - | 4.98 | 608,285 |
| Countries that Start with K | 0 | - | 4.97 | 822,170 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,594 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,698 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,797 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,512 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,277 |
| Countries that Start with U | 0 | - | 4.97 | 909,566 |
| Countries that Start with V | 0 | - | 4.98 | 612,778 |
| Countries that Start with F | 0 | - | 4.83 | 622,350 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,138 |
| The Only African Country ... | 0 | - | 4.99 | 129,848 |
| The Only American Country ... | 0 | - | 4.92 | 122,398 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,479 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,583 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,029 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,792 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,130 |
| European Countries with One Border | 0 | - | 4.97 | 184,102 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,818 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,050 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,335 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,003,879 |
| Boxing Countries | 0 | - | 4.27 | 31,510 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,285 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,891 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,026 |
| Landlocked Countries | 0 | - | 4.99 | 427,675 |
| UK Immigration by Country | 0 | - | 4.94 | 141,946 |
| Central American Countries | 0 | - | 4.98 | 157,618 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,716 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,612 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,173 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,426 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,207 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,255 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,205 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,058 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,537 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,868 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,992 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,190 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,667 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,964 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,811 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,195 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,468 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,129 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,029 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,835 |
| Countries That Border Russia | 0 | - | 4.98 | 465,071 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,560 |
| Countries Bordering France | 0 | - | 4.83 | 405,484 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,363 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,988 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,745 |
| Countries Closest to Australia | 0 | - | 4.99 | 168,025 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,815 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,597 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,011 |
| Name a Valid African Country | 0 | - | 4.98 | 155,353 |
| Germany Country Quiz | 0 | - | 4.82 | 159,141 |
| Russia Country Quiz | 0 | - | 4.83 | 115,503 |
| Japan Country Quiz | 0 | - | 4.93 | 143,591 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,359 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,865 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,308 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,670 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,174 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,576 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,938 |
| Nepal Country Quiz | 0 | - | 4.95 | 38,049 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,992 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,656 |
| Kenya Country Quiz | 0 | - | 4.86 | 35,096 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,012 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,782 |
| Palau Country Quiz | 0 | - | 4.89 | 23,192 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,018 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,835 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,248 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,844 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,185 |
