| Olympic Host Countries | 0 | - | 4.98 | 202,243 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,387 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,810 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,772 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,606 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,167 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,074 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,758 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,826 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,673 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,729 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,580 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,536 |
| Countries with Megacities | 0 | - | 4.99 | 267,937 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,190 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,353 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,511 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,459 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,232 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,032 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,654 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,141 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,463 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,889 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,565 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,677 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,480 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,546 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,832 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,006 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,378 |
| North American Sports Cities | 0 | - | 4.82 | 173,310 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,256 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,262 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,502 |
| The Only European Country ... | 0 | - | 4.91 | 219,610 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,366 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,845 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,994 |
| Countries of Africa | 0 | - | 5.00 | 2,564,926 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,819 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,514 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,062 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,706 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,673 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,634 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,978 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,590 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,874 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,906 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,063 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,044 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,026 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,621 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,285 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,577 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,932 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,878 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,281 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,294 |
| Countries of the Middle East | 0 | - | 4.96 | 203,285 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,378 |
| Slavic Countries | 0 | - | 4.96 | 112,517 |
| African Island Countries | 0 | - | 4.96 | 102,748 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,700 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,248 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,831 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,327 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,407 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,035 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,493 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,978 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,179 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,789 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,734 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,084 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,981 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,543 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,070 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,710 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,084 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,329 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,605 |
| Boundary Waters | 0 | - | 4.92 | 88,846 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,855 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,949 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,474 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,324 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,099 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,024 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,982 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,121 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,548 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,904 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,382 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,803 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,167 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,589 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,302 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,782 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,622 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,258 |
| Monarchies of Europe | 0 | - | 4.90 | 99,044 |
| Monarchies of Asia | 0 | - | 4.97 | 71,615 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,361 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,465 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,860 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,686 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,306 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,643 |
| Countries that Start with D | 0 | - | 4.96 | 717,947 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,860 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,431 |
| Countries that Start with H | 0 | - | 4.96 | 610,650 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,995 |
| Countries that Start with J | 0 | - | 4.98 | 608,029 |
| Countries that Start with K | 0 | - | 4.97 | 821,873 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,222 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,326 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,458 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,061 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,013 |
| Countries that Start with U | 0 | - | 4.97 | 909,324 |
| Countries that Start with V | 0 | - | 4.98 | 612,625 |
| Countries that Start with F | 0 | - | 4.83 | 622,112 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,758 |
| The Only African Country ... | 0 | - | 4.99 | 129,805 |
| The Only American Country ... | 0 | - | 4.92 | 122,356 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,451 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,564 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,000 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,735 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,081 |
| European Countries with One Border | 0 | - | 4.97 | 184,038 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,752 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,997 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,318 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,979,161 |
| Boxing Countries | 0 | - | 4.27 | 31,508 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,254 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,871 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,996 |
| Landlocked Countries | 0 | - | 4.99 | 427,365 |
| UK Immigration by Country | 0 | - | 4.94 | 141,903 |
| Central American Countries | 0 | - | 4.98 | 157,560 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,695 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,569 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,129 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,415 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,154 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,219 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,065 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,985 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,495 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,758 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,955 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,156 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,656 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,945 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,782 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,181 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,447 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,078 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,957 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,817 |
| Countries That Border Russia | 0 | - | 4.98 | 464,937 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,543 |
| Countries Bordering France | 0 | - | 4.83 | 405,377 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,267 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,957 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,712 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,960 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,792 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,400 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,958 |
| Name a Valid African Country | 0 | - | 4.98 | 155,271 |
| Germany Country Quiz | 0 | - | 4.82 | 159,060 |
| Russia Country Quiz | 0 | - | 4.83 | 115,452 |
| Japan Country Quiz | 0 | - | 4.93 | 143,531 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,280 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,836 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,296 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,643 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,143 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,565 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,917 |
| Nepal Country Quiz | 0 | - | 4.95 | 38,027 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,975 |
| Syria Country Quiz | 0 | - | 4.80 | 33,115 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,638 |
| Kenya Country Quiz | 0 | - | 4.86 | 35,074 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,993 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,758 |
| Palau Country Quiz | 0 | - | 4.89 | 23,168 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,822 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,179 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,200 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,647 |
