| Olympic Host Countries | 0 | - | 4.98 | 198,842 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,752 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,511 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,812 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,906 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,261 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,630 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,398 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,055 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,958 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,512 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,726 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,014 |
| Countries with Megacities | 0 | - | 4.99 | 246,571 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,941 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,813 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,385 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,540 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,495 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,733 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,561 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,255 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,782 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,033 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,947 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,783 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,835 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,829 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,446 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,551 |
| North American Sports Cities | 0 | - | 4.83 | 170,859 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,901 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,779 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,476 |
| The Only European Country ... | 0 | - | 4.91 | 213,724 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,045 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,460 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,182 |
| Countries of Africa | 0 | - | 5.00 | 2,506,664 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,885 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,697 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,326 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,885 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,945 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,162 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,116 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,269 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,866 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,362 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,545 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,408 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,248 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,227 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,571 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,535 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,772 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,169 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,430 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,234 |
| Countries of the Middle East | 0 | - | 4.96 | 198,842 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,219 |
| Slavic Countries | 0 | - | 4.96 | 110,821 |
| African Island Countries | 0 | - | 4.96 | 100,749 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,344 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,076 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,044 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,282 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,450 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,044 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,578 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,673 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,734 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,139 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,540 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,222 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,376 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,202 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,481 |
| Boundary Waters | 0 | - | 4.92 | 88,026 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,242 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,853 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,929 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,799 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,958 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,810 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,345 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,837 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,911 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,559 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,245 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,159 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,318 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,313 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,343 |
| Monarchies of Europe | 0 | - | 4.90 | 97,283 |
| Monarchies of Asia | 0 | - | 4.97 | 70,582 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,271 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,701 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,143 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,263 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,828 |
| Countries that Start with D | 0 | - | 4.96 | 701,202 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,127 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,359 |
| Countries that Start with H | 0 | - | 4.96 | 597,661 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,965 |
| Countries that Start with J | 0 | - | 4.98 | 595,735 |
| Countries that Start with K | 0 | - | 4.97 | 809,151 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,573 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,437 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,272 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,108 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,987 |
| Countries that Start with U | 0 | - | 4.97 | 899,754 |
| Countries that Start with V | 0 | - | 4.98 | 604,925 |
| Countries that Start with F | 0 | - | 4.83 | 611,960 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,002 |
| The Only African Country ... | 0 | - | 4.99 | 128,331 |
| The Only American Country ... | 0 | - | 4.92 | 120,724 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,766 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,236 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,019 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,324 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,997 |
| European Countries with One Border | 0 | - | 4.97 | 181,576 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,486 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,071 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,896,709 |
| Boxing Countries | 0 | - | 4.26 | 31,221 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,428 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,933 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,187 |
| Landlocked Countries | 0 | - | 4.99 | 413,337 |
| UK Immigration by Country | 0 | - | 4.94 | 139,562 |
| Central American Countries | 0 | - | 4.98 | 154,998 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,621 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,737 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,202 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,842 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,792 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,195 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,342 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,207 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,055 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,774 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,759 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,427 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,762 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,446 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,188 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,212 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,089 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,481 |
| Countries That Border Russia | 0 | - | 4.98 | 458,807 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,453 |
| Countries Bordering France | 0 | - | 4.83 | 398,598 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,940 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,197 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,467 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,175 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,967 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,620 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,018 |
| Germany Country Quiz | 0 | - | 4.82 | 156,485 |
| Russia Country Quiz | 0 | - | 4.85 | 113,610 |
| Italy Country Quiz | 0 | - | 4.82 | 122,151 |
| Japan Country Quiz | 0 | - | 4.92 | 141,193 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,083 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,828 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,809 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,021 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,028 |
| Syria Country Quiz | 0 | - | 4.81 | 32,288 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,341 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,473 |
| Palau Country Quiz | 0 | - | 4.89 | 22,830 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,145 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,112 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,559 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,909 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,646 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,996 |
| Random European Capital to Country | 0 | - | 4.98 | 189,149 |
| Random European Country to Capital | 0 | - | 4.92 | 147,397 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,341 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,371 |
| Random African Country to Capital | 0 | - | 4.94 | 70,198 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,464 |
| Himalayan Countries | 0 | - | 4.95 | 135,250 |
| Andean Countries | 0 | - | 4.94 | 82,770 |
