| Countries by Sports League Revenue | 0 | - | 4.94 | 77,259 |
| Olympic Host Countries | 0 | - | 4.98 | 200,655 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,135 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,927 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,067 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,355 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,917 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,007 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,160 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,344 |
| Countries with Megacities | 0 | - | 4.99 | 262,875 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,182 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,159 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,480 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,210 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,804 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,891 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,494 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,373 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,328 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,274 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,134 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,671 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,674 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,833 |
| 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 | 172,325 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,303 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,914 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,784 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,142 |
| The Only European Country ... | 0 | - | 4.91 | 216,476 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,141 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,043 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,635 |
| Countries of Africa | 0 | - | 5.00 | 2,535,144 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,063 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,731 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,158 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,638 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,558 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,580 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,388 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,843 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,103 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,280 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,913 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,222 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,168 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,702 |
| 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 | 214,929 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,923 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,137 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,573 |
| Countries of the Middle East | 0 | - | 4.96 | 201,067 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,211 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,729 |
| Slavic Countries | 0 | - | 4.96 | 111,613 |
| African Island Countries | 0 | - | 4.96 | 101,581 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,861 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,903 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,063 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,153 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,538 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,830 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,458 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,438 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,900 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,617 |
| 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 | 144,193 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,158 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,544 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,185 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,112 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,952 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,227 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,784 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,764 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,241 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,783 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,408 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,203 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,699 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,514 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,856 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,240 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,072 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,051 |
| Monarchies of Europe | 0 | - | 4.90 | 98,097 |
| Monarchies of Asia | 0 | - | 4.97 | 71,068 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,859 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,741 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,602 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,334 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,213 |
| Countries that Start with D | 0 | - | 4.96 | 709,032 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,515 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,566 |
| Countries that Start with H | 0 | - | 4.96 | 604,311 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,510 |
| Countries that Start with J | 0 | - | 4.98 | 602,036 |
| Countries that Start with K | 0 | - | 4.97 | 815,350 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,195 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,187 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,630 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,107 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,427 |
| Countries that Start with U | 0 | - | 4.97 | 904,169 |
| Countries that Start with V | 0 | - | 4.98 | 609,117 |
| Countries that Start with F | 0 | - | 4.83 | 617,251 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,076 |
| The Only African Country ... | 0 | - | 4.99 | 129,068 |
| The Only American Country ... | 0 | - | 4.92 | 121,557 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,111 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,758 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,803 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,455 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,945 |
| European Countries with One Border | 0 | - | 4.97 | 182,715 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,516 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,160 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,801 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,201 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,385 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,047 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,363 |
| Countries That Border Russia | 0 | - | 4.98 | 461,593 |
| Countries Bordering France | 0 | - | 4.83 | 402,417 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,277 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,399 |
| UK Immigration by Country | 0 | - | 4.94 | 140,851 |
| Boxing Countries | 0 | - | 4.26 | 31,351 |
| Central American Countries | 0 | - | 4.98 | 156,402 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,580 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,933 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,180 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,569 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,841 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,314 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,545 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 134,080 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,129 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,440 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,210 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,043 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,812 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,068 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,949 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,940 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,002 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,557 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,058 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,910 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,361 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,769 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,950 |
| Germany Country Quiz | 0 | - | 4.82 | 157,788 |
| Russia Country Quiz | 0 | - | 4.85 | 114,435 |
| Italy Country Quiz | 0 | - | 4.82 | 123,364 |
| Japan Country Quiz | 0 | - | 4.93 | 142,414 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,702 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,317 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,057 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,329 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,750 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,448 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,472 |
| 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 | 23,003 |
| Boundary Waters | 0 | - | 4.92 | 88,450 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,135 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,037 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,640 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,132 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,632 |
| Random European Capital to Country | 0 | - | 4.98 | 190,813 |
| Random European Country to Capital | 0 | - | 4.93 | 165,035 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,386 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,718 |
| Random African Country to Capital | 0 | - | 4.94 | 71,177 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,421,394 |
| Landlocked Countries | 0 | - | 4.99 | 419,983 |
| 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 | 72,638 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,492 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,692 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,547 |
