| Countries by Sports League Revenue | 0 | - | 4.94 | 77,261 |
| Olympic Host Countries | 0 | - | 4.98 | 200,658 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,149 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,936 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,073 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,355 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,928 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,021 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,167 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,346 |
| Countries with Megacities | 0 | - | 4.99 | 262,895 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,187 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,168 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,482 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,211 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,805 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,895 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,495 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,373 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,330 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,277 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,134 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,675 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,675 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,836 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,362 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,498 |
| North American Sports Cities | 0 | - | 4.83 | 172,328 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,305 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,918 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,784 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,152 |
| The Only European Country ... | 0 | - | 4.91 | 216,485 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,150 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,048 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,635 |
| Countries of Africa | 0 | - | 5.00 | 2,535,236 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,074 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,736 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,159 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,642 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,561 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,581 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,391 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,845 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,104 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,280 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,915 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,223 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,168 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,703 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,230 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,521 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,200 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,930 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,923 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,180 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,584 |
| Countries of the Middle East | 0 | - | 4.96 | 201,070 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,216 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,732 |
| Slavic Countries | 0 | - | 4.96 | 111,613 |
| African Island Countries | 0 | - | 4.96 | 101,584 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,865 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,906 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,064 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,155 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,574 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,832 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,461 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,438 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,902 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,619 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,690 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,588 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,194 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,160 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,544 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,187 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,116 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,954 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,228 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,787 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,765 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,248 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,784 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,410 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,209 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,701 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,515 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,860 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,241 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,073 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,051 |
| Monarchies of Europe | 0 | - | 4.90 | 98,099 |
| Monarchies of Asia | 0 | - | 4.97 | 71,069 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,861 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,744 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,629 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,363 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,232 |
| Countries that Start with D | 0 | - | 4.96 | 709,049 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,534 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,586 |
| Countries that Start with H | 0 | - | 4.96 | 604,325 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,525 |
| Countries that Start with J | 0 | - | 4.98 | 602,046 |
| Countries that Start with K | 0 | - | 4.97 | 815,363 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,207 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,198 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,645 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,132 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,444 |
| Countries that Start with U | 0 | - | 4.97 | 904,185 |
| Countries that Start with V | 0 | - | 4.98 | 609,129 |
| Countries that Start with F | 0 | - | 4.83 | 617,266 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,092 |
| The Only African Country ... | 0 | - | 4.99 | 129,071 |
| The Only American Country ... | 0 | - | 4.92 | 121,559 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,112 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,761 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,807 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,460 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,949 |
| European Countries with One Border | 0 | - | 4.97 | 182,719 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,520 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,163 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,803 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,201 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,387 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,049 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,363 |
| Countries That Border Russia | 0 | - | 4.98 | 461,597 |
| Countries Bordering France | 0 | - | 4.83 | 402,420 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,287 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,400 |
| UK Immigration by Country | 0 | - | 4.94 | 140,854 |
| Boxing Countries | 0 | - | 4.26 | 31,351 |
| Central American Countries | 0 | - | 4.98 | 156,403 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,583 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,936 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,182 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,571 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,853 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,317 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,547 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 134,096 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,132 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,442 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,210 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,044 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,813 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,072 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,951 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,941 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,005 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,557 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,063 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,914 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,361 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,780 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,951 |
| Germany Country Quiz | 0 | - | 4.82 | 157,790 |
| Russia Country Quiz | 0 | - | 4.85 | 114,435 |
| Italy Country Quiz | 0 | - | 4.82 | 123,364 |
| Japan Country Quiz | 0 | - | 4.93 | 142,417 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,705 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,318 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,057 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,329 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,751 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,448 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,473 |
| Syria Country Quiz | 0 | - | 4.81 | 32,754 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,515 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,776 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,670 |
| Palau Country Quiz | 0 | - | 4.90 | 23,004 |
| Boundary Waters | 0 | - | 4.92 | 88,450 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,136 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,039 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,642 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,137 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,633 |
| Random European Capital to Country | 0 | - | 4.98 | 190,814 |
| Random European Country to Capital | 0 | - | 4.93 | 165,037 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,387 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,719 |
| Random African Country to Capital | 0 | - | 4.94 | 71,177 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,422,884 |
| Landlocked Countries | 0 | - | 4.99 | 420,011 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,093 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,241 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,362 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,390 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,429 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,639 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,493 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,700 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,559 |
