| Olympic Host Countries | 0 | - | 4.98 | 198,733 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,633 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,359 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,763 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,641 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,345 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,839 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,783 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,955 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,701 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,849 |
| Countries with Megacities | 0 | - | 4.99 | 246,118 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,758 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,725 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,225 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,659 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,346 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,958 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,696 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,526 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,205 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,709 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,001 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,847 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,710 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,653 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,739 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,386 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,475 |
| North American Sports Cities | 0 | - | 4.83 | 170,736 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,696 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,694 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,312 |
| The Only European Country ... | 0 | - | 4.91 | 213,443 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,805 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,297 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries of Africa | 0 | - | 5.00 | 2,503,926 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,850 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,522 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,177 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,807 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,649 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,024 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,078 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,142 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,736 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,269 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,456 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,279 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,129 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,492 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,475 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,704 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,079 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,481 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,001 |
| Countries of the Middle East | 0 | - | 4.96 | 198,677 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,121 |
| Slavic Countries | 0 | - | 4.96 | 110,762 |
| African Island Countries | 0 | - | 4.96 | 100,640 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,327 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,978 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,945 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,230 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,569 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,342 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,888 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,451 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,568 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,660 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,098 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,062 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,177 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,450 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,138 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,311 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,121 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,411 |
| Boundary Waters | 0 | - | 4.92 | 87,987 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,782 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,163 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,685 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,786 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,663 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,884 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,584 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,752 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,244 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,793 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,846 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,449 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,124 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,091 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,234 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,241 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,278 |
| Monarchies of Europe | 0 | - | 4.90 | 97,191 |
| Monarchies of Asia | 0 | - | 4.97 | 70,527 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,374 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,267 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,500 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,398 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,786 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,589 |
| Countries that Start with D | 0 | - | 4.96 | 700,399 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,141 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,325 |
| Countries that Start with H | 0 | - | 4.96 | 596,962 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,081 |
| Countries that Start with J | 0 | - | 4.98 | 595,040 |
| Countries that Start with K | 0 | - | 4.96 | 808,527 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,828 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,676 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,517 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,062 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,353 |
| Countries that Start with U | 0 | - | 4.97 | 898,952 |
| Countries that Start with V | 0 | - | 4.98 | 604,468 |
| Countries that Start with F | 0 | - | 4.83 | 611,394 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,124 |
| The Only African Country ... | 0 | - | 4.99 | 128,251 |
| The Only American Country ... | 0 | - | 4.92 | 120,641 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,728 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,183 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,950 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,190 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,889 |
| European Countries with One Border | 0 | - | 4.97 | 181,436 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,956 |
| Countries Closest to Africa | 0 | - | 4.96 | 155,995 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,845,053 |
| Boxing Countries | 0 | - | 4.26 | 31,207 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,363 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,861 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,048 |
| Landlocked Countries | 0 | - | 4.99 | 412,821 |
| UK Immigration by Country | 0 | - | 4.94 | 139,474 |
| Central American Countries | 0 | - | 4.98 | 154,899 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,488 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,651 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,989 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,059 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,771 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,900 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,066 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,279 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,142 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 90,992 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,715 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,698 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,362 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,711 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,418 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,113 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,157 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,010 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,441 |
| Countries That Border Russia | 0 | - | 4.98 | 458,486 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,410 |
| Countries Bordering France | 0 | - | 4.85 | 395,444 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,619 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,164 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,406 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,106 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,939 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,207 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,922 |
| Germany Country Quiz | 0 | - | 4.82 | 156,378 |
| Russia Country Quiz | 0 | - | 4.85 | 113,545 |
| Italy Country Quiz | 0 | - | 4.82 | 122,060 |
| Japan Country Quiz | 0 | - | 4.92 | 141,097 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,943 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,780 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,783 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,989 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,273 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,968 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,282 |
| Syria Country Quiz | 0 | - | 4.81 | 32,255 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,331 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,444 |
| Palau Country Quiz | 0 | - | 4.89 | 22,814 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,100 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,069 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,453 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,829 |
| World Capitals Quiz | 0 | - | 5.00 | 5,024,933 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,943 |
| Random European Capital to Country | 0 | - | 4.98 | 189,040 |
| Random European Country to Capital | 0 | - | 4.92 | 147,320 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,259 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,320 |
| Random African Country to Capital | 0 | - | 4.94 | 70,144 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,204 |
| Himalayan Countries | 0 | - | 4.95 | 135,030 |
| Andean Countries | 0 | - | 4.94 | 82,647 |