| Olympic Host Countries | 0 | - | 4.98 | 164,626 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 196,168 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 129,042 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,268 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,419 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.69 | 85,615 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,710 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 240,555 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 87,281 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.46 | 78,866 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 33,279 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,389 |
| Countries with Megacities | 0 | - | 4.99 | 202,313 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,758 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,169 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,538 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,130 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,682 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.46 | 156,768 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,331,033 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,824 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 47,100 |
| Countries with Major League Baseball Players | 0 | - | 4.55 | 53,926 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 49,582 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 52,286 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,613 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,703 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,759 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,380 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,476 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,574 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,722 |
| The Only European Country ... | 0 | - | 4.93 | 183,687 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,185 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,420 |
| Countries of Africa | 0 | - | 5.00 | 2,221,693 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 86,874 |
| Countries With the Most NBA Players | 0 | - | 4.45 | 83,630 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,924 |
| Most Populous Countries by Year | 0 | - | 4.81 | 96,036 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,458 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,593 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,121 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,229 |
| Densest Countries Bordering Each Other | 0 | - | 4.94 | 73,163 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 208,088 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 111,087 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,442 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 77,118 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,326 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,722 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 88,310 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,211,736 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,248 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 191,091 |
| Countries of the Middle East | 0 | - | 4.95 | 177,540 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,636 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 63,136 |
| Slavic Countries | 0 | - | 4.96 | 101,710 |
| Countries that Export the Most Football Players | 0 | - | 4.39 | 49,410 |
| African Island Countries | 0 | - | 4.96 | 91,255 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,103 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 154,911 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 148,597 |
| Countries of North America Quiz | 0 | - | 5.00 | 899,676 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 113,070 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 95,426 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,918 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,233 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,405 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,826 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,973 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,419 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,351 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,768 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,686 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,361 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,357 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 210,118 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,542 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,970 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 93,247 |
| Countries by Population Decrease | 0 | - | 4.43 | 47,069 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 91,089 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 148,180 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,517 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.89 | 15,928 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,720 |
| Winter Olympics Hosts Quiz | 0 | - | 4.40 | 73,321 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 210,168 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,449 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,578 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,467 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,551 |
| Monarchies of Europe | 0 | - | 4.89 | 88,371 |
| Monarchies of Asia | 0 | - | 4.95 | 54,900 |
| Athletes by Country Quiz #1 | 0 | - | 4.34 | 44,316 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,753 |
| Countries that Start with A | 0 | - | 4.98 | 1,979,684 |
| Countries that Start with B | 0 | - | 4.95 | 2,118,777 |
| Countries that Start with C | 0 | - | 4.96 | 1,677,259 |
| Countries that Start with D | 0 | - | 4.96 | 612,741 |
| Countries that Start with E | 0 | - | 4.95 | 1,256,562 |
| Countries that Start with G | 0 | - | 4.97 | 1,376,554 |
| Countries that Start with H | 0 | - | 4.96 | 522,774 |
| Countries that Start with I | 0 | - | 4.92 | 1,184,062 |
| Countries that Start with J | 0 | - | 4.98 | 524,964 |
| Countries that Start with K | 0 | - | 4.96 | 731,177 |
| Countries that Start with L | 0 | - | 4.98 | 991,656 |
| Countries that Start with N | 0 | - | 4.93 | 1,017,982 |
| Countries that Start with P | 0 | - | 4.95 | 1,120,394 |
| Countries that Start with S | 0 | - | 4.98 | 1,630,526 |
| Countries that Start with T | 0 | - | 4.89 | 928,713 |
| Countries that Start with U | 0 | - | 4.96 | 836,629 |
| Countries that Start with V | 0 | - | 4.98 | 560,124 |
| Countries that Start with F | 0 | - | 4.84 | 551,085 |
| Countries that Start with M | 0 | - | 4.97 | 1,275,334 |
| The Only African Country ... | 0 | - | 4.99 | 121,357 |
| The Only American Country ... | 0 | - | 4.94 | 111,745 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,347 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,627 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,220 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 85,609 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,601 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,599 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 93,664 |
| European Countries with One Border | 0 | - | 4.96 | 152,837 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,715 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,818 |
| Boundary Waters | 0 | - | 4.93 | 82,109 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,595 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,498 |
| UK Immigration by Country | 0 | - | 4.94 | 127,676 |
| Boxing Countries | 0 | - | 4.24 | 29,801 |
| Central American Countries | 0 | - | 4.98 | 141,634 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,821 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,437 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,681 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 86,364 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,628 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,731 |
| Most Forested European Countries | 0 | - | 4.82 | 69,494 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 182,458 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 111,655 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,924 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,197 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,535 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 53,299 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.27 | 29,602 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 71,807 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 183,278 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 117,243 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,376 |
| Countries That Border Russia | 0 | - | 4.98 | 431,713 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.90 | 82,678 |
| Countries Bordering France | 0 | - | 4.87 | 362,039 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,852 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 85,334 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 61,350 |
| Countries Closest to Australia | 0 | - | 4.99 | 147,246 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,963 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 193,344 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,870 |
| Germany Country Quiz | 0 | - | 4.82 | 143,208 |
| Russia Country Quiz | 0 | - | 4.85 | 105,150 |
| Italy Country Quiz | 0 | - | 4.81 | 111,646 |
| Japan Country Quiz | 0 | - | 4.92 | 121,754 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 122,017 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,389 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,652 |
| Kenya Country Quiz | 0 | - | 4.87 | 31,653 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 94,354 |
| North American Sports Cities | 0 | - | 4.80 | 161,322 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 95,858 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,864,773 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,565 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,855 |
| European Countries NOT in NATO | 0 | - | 4.79 | 36,449 |
| The Only Remaining Asian Country . . . | 0 | - | 4.70 | 40,866 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,744 |
| Palau Country Quiz | 0 | - | 4.88 | 20,847 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,845 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,808 |
| World Capitals Quiz | 0 | - | 5.00 | 4,587,221 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,573 |
| Random European Capital to Country | 0 | - | 4.97 | 155,317 |
| Random European Country to Capital | 0 | - | 4.93 | 137,226 |
| Random Asian Country to Capital | 0 | - | 4.93 | 87,096 |
| Random Asian Capital to Country | 0 | - | 4.97 | 91,116 |
| Random African Country to Capital | 0 | - | 4.94 | 63,450 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,829 |
| South China Sea Countries | 0 | - | 4.82 | 54,396 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,731 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 84,023 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,420 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 67,967 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,185,230 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,589 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 57,850 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,826 |
