| Olympic Host Countries | 0 | - | 4.98 | 201,087 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,603 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,665 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,484 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,385 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,644 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,663 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,323 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,474 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,405 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,554 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,279 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,881 |
| Countries with Megacities | 0 | - | 4.99 | 264,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,735 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,466 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,992 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,538 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,134 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,965 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,269 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,878 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,082 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,537 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,396 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,619 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,926 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,179 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,141 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,552 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,729 |
| North American Sports Cities | 0 | - | 4.83 | 172,627 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,513 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,078 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,642 |
| The Only European Country ... | 0 | - | 4.91 | 217,332 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,750 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,535 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,734 |
| Countries of Africa | 0 | - | 5.00 | 2,544,138 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,515 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,543 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,175 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,975 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,404 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,859 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,698 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,718 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,140 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,326 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,479 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,216 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,496 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,297 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,904 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,333 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,638 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,401 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,522 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,316 |
| Countries of the Middle East | 0 | - | 4.96 | 201,629 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,538 |
| Slavic Countries | 0 | - | 4.96 | 111,869 |
| African Island Countries | 0 | - | 4.96 | 101,856 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,553 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,954 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,181 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,342 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,536 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,207 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,756 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,803 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,301 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,897 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,993 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,702 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,384 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,412 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,775 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,456 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,351 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,212 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,416 |
| Boundary Waters | 0 | - | 4.92 | 88,571 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,249 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,266 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,309 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,212 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,639 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,329 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,872 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,570 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,509 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,311 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,518 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,906 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,331 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,895 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,078 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,520 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,261 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,196 |
| Monarchies of Europe | 0 | - | 4.90 | 98,333 |
| Monarchies of Asia | 0 | - | 4.97 | 71,210 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,007 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,383 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,412 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,317 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,751 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,761 |
| Countries that Start with D | 0 | - | 4.96 | 711,584 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,452 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,717 |
| Countries that Start with H | 0 | - | 4.96 | 606,120 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,086 |
| Countries that Start with J | 0 | - | 4.98 | 603,729 |
| Countries that Start with K | 0 | - | 4.97 | 817,258 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,453 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,487 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,895 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,313 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,163 |
| Countries that Start with U | 0 | - | 4.97 | 905,577 |
| Countries that Start with V | 0 | - | 4.98 | 610,095 |
| Countries that Start with F | 0 | - | 4.83 | 618,654 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,627 |
| The Only African Country ... | 0 | - | 4.99 | 129,266 |
| The Only American Country ... | 0 | - | 4.92 | 121,803 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,200 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,875 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,029 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,822 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,235 |
| European Countries with One Border | 0 | - | 4.97 | 183,096 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,873 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,378 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,581,022 |
| Boxing Countries | 0 | - | 4.26 | 31,399 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,836 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,575 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,414 |
| Landlocked Countries | 0 | - | 4.99 | 421,948 |
| UK Immigration by Country | 0 | - | 4.94 | 141,144 |
| Central American Countries | 0 | - | 4.98 | 156,751 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,935 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,852 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,237 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,293 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,444 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,754 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,768 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,773 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,794 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,403 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,366 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,681 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,341 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,387 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,397 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,921 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,010 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,300 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,227 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,154 |
| Countries That Border Russia | 0 | - | 4.98 | 462,757 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,165 |
| Countries Bordering France | 0 | - | 4.83 | 403,479 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,597 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,663 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,261 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,112 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,496 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,927 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,203 |
| Name a Valid African Country | 0 | - | 4.98 | 154,334 |
| Germany Country Quiz | 0 | - | 4.83 | 158,149 |
| Russia Country Quiz | 0 | - | 4.83 | 114,680 |
| Japan Country Quiz | 0 | - | 4.93 | 142,712 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,137 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,456 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,125 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,410 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,881 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,480 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,579 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,812 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,861 |
| Syria Country Quiz | 0 | - | 4.81 | 32,880 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,551 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,851 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,760 |
| Palau Country Quiz | 0 | - | 4.90 | 23,054 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,706 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,584 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,412 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,420 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,122 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,781 |
| Random European Capital to Country | 0 | - | 4.98 | 191,244 |
| Random European Country to Capital | 0 | - | 4.93 | 165,366 |
