| Olympic Host Countries | 0 | - | 4.98 | 198,813 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,725 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,463 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,797 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,901 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,113 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,621 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,381 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,981 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,909 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,361 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,719 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,962 |
| Countries with Megacities | 0 | - | 4.99 | 246,430 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,877 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,777 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,342 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,734 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,182 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,406 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,722 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,556 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,233 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,762 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,024 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,929 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,765 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,793 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,801 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,432 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,531 |
| North American Sports Cities | 0 | - | 4.83 | 170,815 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,843 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,764 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,430 |
| The Only European Country ... | 0 | - | 4.91 | 213,636 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,975 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,418 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Countries of Africa | 0 | - | 5.00 | 2,505,934 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,873 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,652 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,284 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,869 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,867 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,119 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,105 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,231 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,829 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,342 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,515 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,375 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,220 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,204 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,555 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,520 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,753 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,149 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,183 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,169 |
| Countries of the Middle East | 0 | - | 4.96 | 198,793 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,198 |
| Slavic Countries | 0 | - | 4.96 | 110,805 |
| African Island Countries | 0 | - | 4.96 | 100,712 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,341 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,471 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,053 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,022 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,991 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,635 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,413 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,995 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,539 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,642 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,710 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,127 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,117 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,240 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,514 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,195 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,353 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,176 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,459 |
| Boundary Waters | 0 | - | 4.92 | 88,020 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,221 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,807 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,889 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,751 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,940 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,596 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,788 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,323 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,827 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,893 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,534 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,200 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,133 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,296 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,295 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,327 |
| Monarchies of Europe | 0 | - | 4.90 | 97,255 |
| Monarchies of Asia | 0 | - | 4.97 | 70,563 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,409 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,271 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,654 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,624 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,826 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,463 |
| Countries that Start with D | 0 | - | 4.96 | 700,960 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,830 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,052 |
| Countries that Start with H | 0 | - | 4.96 | 597,464 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,709 |
| Countries that Start with J | 0 | - | 4.98 | 595,525 |
| Countries that Start with K | 0 | - | 4.96 | 808,957 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,360 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,217 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,046 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,791 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,785 |
| Countries that Start with U | 0 | - | 4.97 | 899,611 |
| Countries that Start with V | 0 | - | 4.98 | 604,796 |
| Countries that Start with F | 0 | - | 4.83 | 611,795 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,747 |
| The Only African Country ... | 0 | - | 4.99 | 128,309 |
| The Only American Country ... | 0 | - | 4.92 | 120,698 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,753 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,221 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,991 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,283 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,969 |
| European Countries with One Border | 0 | - | 4.97 | 181,529 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,226 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,052 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,880,802 |
| Boxing Countries | 0 | - | 4.26 | 31,218 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,400 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,908 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,148 |
| Landlocked Countries | 0 | - | 4.99 | 413,175 |
| UK Immigration by Country | 0 | - | 4.94 | 139,532 |
| Central American Countries | 0 | - | 4.98 | 154,960 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,591 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,708 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,004 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,136 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,818 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,382 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,158 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,328 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,188 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,035 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,758 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,742 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,411 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,750 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,439 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,163 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,199 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,068 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,471 |
| Countries That Border Russia | 0 | - | 4.98 | 458,709 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,435 |
| Countries Bordering France | 0 | - | 4.85 | 398,103 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,870 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,187 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,450 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,159 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,959 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,490 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,995 |
| Germany Country Quiz | 0 | - | 4.82 | 156,466 |
| Russia Country Quiz | 0 | - | 4.85 | 113,596 |
| Italy Country Quiz | 0 | - | 4.82 | 122,135 |
| Japan Country Quiz | 0 | - | 4.92 | 141,172 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,052 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,815 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,802 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,015 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,285 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,014 |
| Syria Country Quiz | 0 | - | 4.81 | 32,276 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,334 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,468 |
| Palau Country Quiz | 0 | - | 4.89 | 22,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,128 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,102 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,524 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,886 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,359 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,981 |
| Random European Capital to Country | 0 | - | 4.98 | 189,117 |
| Random European Country to Capital | 0 | - | 4.92 | 147,378 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,311 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,353 |
| Random African Country to Capital | 0 | - | 4.94 | 70,169 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,389 |
| Himalayan Countries | 0 | - | 4.95 | 135,163 |
| Andean Countries | 0 | - | 4.94 | 82,735 |
