| Countries by Sports League Revenue | 0 | - | 4.94 | 75,487 |
| Olympic Host Countries | 0 | - | 4.98 | 198,819 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,167 |
| Countries of Africa | 0 | - | 5.00 | 2,506,228 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,925 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,121 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,731 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,424 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,798 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,978 |
| Countries with Megacities | 0 | - | 4.99 | 246,478 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,893 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,787 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,359 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,744 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,332 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,436 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,557 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,245 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,624 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,769 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,028 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,938 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,389 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,770 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,808 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,811 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,437 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,536 |
| North American Sports Cities | 0 | - | 4.83 | 170,835 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,903 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,862 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,771 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,444 |
| The Only European Country ... | 0 | - | 4.91 | 213,665 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,002 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,434 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,173 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,673 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,308 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,723 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,897 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,128 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,110 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,245 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,844 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,349 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,525 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,389 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,227 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,212 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,524 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,759 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,154 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,000 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,274 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,193 |
| Countries of the Middle East | 0 | - | 4.96 | 198,814 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,203 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,874 |
| Slavic Countries | 0 | - | 4.96 | 110,810 |
| African Island Countries | 0 | - | 4.96 | 100,726 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,476 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,057 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,031 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,651 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,426 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,012 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,558 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,655 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,717 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,130 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,127 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,250 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,526 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,202 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,364 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,191 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,466 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,726 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,828 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,910 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,772 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,945 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,794 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,331 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,831 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,901 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,542 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,225 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,141 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,299 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,303 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,332 |
| Monarchies of Europe | 0 | - | 4.90 | 97,267 |
| Monarchies of Asia | 0 | - | 4.97 | 70,571 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,415 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,271 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,679 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,793 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,966 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,597 |
| Countries that Start with D | 0 | - | 4.96 | 701,050 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,924 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,149 |
| Countries that Start with H | 0 | - | 4.96 | 597,539 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,799 |
| Countries that Start with J | 0 | - | 4.98 | 595,609 |
| Countries that Start with K | 0 | - | 4.96 | 809,028 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,441 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,288 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,132 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,920 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,875 |
| Countries that Start with U | 0 | - | 4.97 | 899,668 |
| Countries that Start with V | 0 | - | 4.98 | 604,847 |
| Countries that Start with F | 0 | - | 4.83 | 611,851 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,831 |
| The Only African Country ... | 0 | - | 4.99 | 128,313 |
| The Only American Country ... | 0 | - | 4.92 | 120,712 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,755 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,226 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,000 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,300 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,981 |
| European Countries with One Border | 0 | - | 4.97 | 181,544 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,339 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,060 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,231 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,923 |
| UK Immigration by Country | 0 | - | 4.94 | 139,539 |
| Boxing Countries | 0 | - | 4.26 | 31,220 |
| Central American Countries | 0 | - | 4.98 | 154,974 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,603 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,719 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,154 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,826 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,543 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,171 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,329 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,194 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,041 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,763 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,750 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,417 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,169 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,202 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,079 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,476 |
| Countries That Border Russia | 0 | - | 4.98 | 458,753 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,444 |
| Countries Bordering France | 0 | - | 4.85 | 398,334 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,900 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,189 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,455 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,163 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,961 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,537 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,003 |
| Germany Country Quiz | 0 | - | 4.82 | 156,472 |
| Russia Country Quiz | 0 | - | 4.85 | 113,599 |
| Italy Country Quiz | 0 | - | 4.82 | 122,138 |
| Japan Country Quiz | 0 | - | 4.92 | 141,179 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,066 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,819 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,803 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,018 |
| Syria Country Quiz | 0 | - | 4.81 | 32,277 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,470 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,417 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,158 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,886,802 |
| Landlocked Countries | 0 | - | 4.99 | 413,235 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,005 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,753 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,441 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,338 |
| Palau Country Quiz | 0 | - | 4.89 | 22,826 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,104 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,804 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,825 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,987 |
| Random European Capital to Country | 0 | - | 4.98 | 189,133 |
| Random European Country to Capital | 0 | - | 4.92 | 147,384 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,320 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,357 |
| Random African Country to Capital | 0 | - | 4.94 | 70,186 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,814 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,059 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,127 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,237 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,342 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,321 |
