| Olympic Host Countries | 0 | - | 4.98 | 199,484 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,203 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,163 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,956 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,034 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,935 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,897 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,700 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,915 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,657 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,854 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,935 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,277 |
| Countries with Megacities | 0 | - | 4.99 | 248,949 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,129 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,545 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,484 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,502 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,928 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,966 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,853 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,656 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,565 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,070 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,149 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,358 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,273 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,902 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,330 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,083 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,087 |
| North American Sports Cities | 0 | - | 4.83 | 171,380 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,938 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,263 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,315 |
| The Only European Country ... | 0 | - | 4.91 | 215,144 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,084 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,322 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,468 |
| Countries of Africa | 0 | - | 5.00 | 2,521,464 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,022 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,361 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,010 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,293 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,786 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,336 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,855 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,358 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,725 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,904 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,973 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,672 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,533 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 84,044 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,765 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,024 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,539 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,506 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,442 |
| Countries of the Middle East | 0 | - | 4.96 | 199,858 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,741 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,260 |
| Slavic Countries | 0 | - | 4.96 | 111,259 |
| African Island Countries | 0 | - | 4.96 | 101,161 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,412 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,683 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,508 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,584 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,284 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,309 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,974 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,758 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,226 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,157 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,233 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,402 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,523 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,702 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,897 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,682 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,731 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,585 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,841 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,752 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,618 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,470 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,357 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,700 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,019 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,803 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,010 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,160 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,919 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,809 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,536 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,778 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,728 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,745 |
| Monarchies of Europe | 0 | - | 4.90 | 97,702 |
| Monarchies of Asia | 0 | - | 4.97 | 70,830 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,629 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,322 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,649 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,939 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,204 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,413 |
| Countries that Start with D | 0 | - | 4.96 | 705,013 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,708 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,227 |
| Countries that Start with H | 0 | - | 4.96 | 600,861 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,673 |
| Countries that Start with J | 0 | - | 4.98 | 598,859 |
| Countries that Start with K | 0 | - | 4.97 | 812,037 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,154 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,124 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,961 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,003 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,682 |
| Countries that Start with U | 0 | - | 4.97 | 901,919 |
| Countries that Start with V | 0 | - | 4.98 | 607,121 |
| Countries that Start with F | 0 | - | 4.83 | 614,578 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,964 |
| The Only African Country ... | 0 | - | 4.99 | 128,702 |
| The Only American Country ... | 0 | - | 4.92 | 121,168 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,468 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,412 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,919 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,504 |
| European Countries with One Border | 0 | - | 4.97 | 182,119 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,984 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,722 |
| Boundary Waters | 0 | - | 4.92 | 88,232 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,969 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,654 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,169 |
| UK Immigration by Country | 0 | - | 4.94 | 140,360 |
| Boxing Countries | 0 | - | 4.26 | 31,276 |
| Central American Countries | 0 | - | 4.98 | 155,520 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,058 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,432 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,705 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,174 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,274 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,079 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,768 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,483 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,464 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,102 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,975 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,744 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,515 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,639 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,493 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,685 |
| Countries That Border Russia | 0 | - | 4.98 | 460,342 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,724 |
| Countries Bordering France | 0 | - | 4.83 | 401,129 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,007 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,383 |
| Countries that Visit Australia the Most | 0 | - | 4.91 | 68,768 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,549 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,159 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,718 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,485 |
| Germany Country Quiz | 0 | - | 4.82 | 157,183 |
| Russia Country Quiz | 0 | - | 4.85 | 114,044 |
| Italy Country Quiz | 0 | - | 4.82 | 122,678 |
| Japan Country Quiz | 0 | - | 4.92 | 141,907 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,963 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,094 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,922 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,190 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,245 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,537 |
| Syria Country Quiz | 0 | - | 4.81 | 32,550 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,646 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,259 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,674 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,165,028 |
| Landlocked Countries | 0 | - | 4.99 | 416,675 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,143 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,992 |
| The Only Remaining Asian Country . . . | 0 | - | 4.63 | 45,600 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,368 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,442 |
| Palau Country Quiz | 0 | - | 4.90 | 22,924 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,320 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,699 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,300 |
| Random European Capital to Country | 0 | - | 4.98 | 189,772 |
| Random European Country to Capital | 0 | - | 4.92 | 148,101 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,675 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,781 |
| Random African Country to Capital | 0 | - | 4.94 | 70,562 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,933 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,095 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,196 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,294 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,444 |
