| Olympic Host Countries | 0 | - | 4.98 | 198,779 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,685 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,422 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,886 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,889 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,708 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,596 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,358 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,912 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,842 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,862 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,710 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,169 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,333 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,765 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,232 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,896 |
| Countries with Megacities | 0 | - | 4.99 | 246,280 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,820 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,750 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,276 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,689 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,540 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,221 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,744 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,018 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,889 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,740 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,734 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,776 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,505 |
| North American Sports Cities | 0 | - | 4.83 | 170,776 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,767 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,740 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,365 |
| The Only European Country ... | 0 | - | 4.91 | 213,547 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,876 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,350 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Countries of Africa | 0 | - | 5.00 | 2,505,046 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,590 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,230 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,761 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,083 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,184 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,776 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,306 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,483 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,333 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,181 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,193 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,529 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,495 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,123 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,719 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,079 |
| Countries of the Middle East | 0 | - | 4.96 | 198,735 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,173 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,840 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| African Island Countries | 0 | - | 4.96 | 100,674 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,463 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,020 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,981 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,636 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,599 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,379 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,946 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,504 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,603 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,681 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,119 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,090 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,209 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,481 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,170 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,143 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,441 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,742 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,836 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,708 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,911 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,285 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,488 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,159 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,110 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,260 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,275 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,303 |
| Monarchies of Europe | 0 | - | 4.90 | 97,226 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,384 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,575 |
| Countries that Start with A | 0 | - | 4.98 | 2,145,015 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,309 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,036 |
| Countries that Start with D | 0 | - | 4.96 | 700,683 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,496 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,692 |
| Countries that Start with H | 0 | - | 4.96 | 597,207 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,383 |
| Countries that Start with J | 0 | - | 4.98 | 595,289 |
| Countries that Start with K | 0 | - | 4.96 | 808,736 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,092 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,967 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,785 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,424 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,569 |
| Countries that Start with U | 0 | - | 4.97 | 899,372 |
| Countries that Start with V | 0 | - | 4.98 | 604,633 |
| Countries that Start with F | 0 | - | 4.83 | 611,598 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,456 |
| The Only African Country ... | 0 | - | 4.99 | 128,279 |
| The Only American Country ... | 0 | - | 4.92 | 120,671 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,742 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,206 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,972 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,238 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,937 |
| European Countries with One Border | 0 | - | 4.97 | 181,485 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,996 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,027 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,589 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,807 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,865 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,268 |
| Countries That Border Russia | 0 | - | 4.98 | 458,598 |
| Countries Bordering France | 0 | - | 4.85 | 397,145 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,754 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,879 |
| UK Immigration by Country | 0 | - | 4.94 | 139,503 |
| Boxing Countries | 0 | - | 4.26 | 31,210 |
| Central American Countries | 0 | - | 4.98 | 154,933 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,545 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,684 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,085 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,796 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,037 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,117 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,306 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,161 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,017 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,741 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,718 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,386 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,134 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,180 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,043 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,456 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,426 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,173 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,430 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,131 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,947 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,363 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,953 |
| Name a Valid African Country | 0 | - | 4.98 | 152,835 |
| Germany Country Quiz | 0 | - | 4.82 | 156,418 |
| Russia Country Quiz | 0 | - | 4.85 | 113,573 |
| Italy Country Quiz | 0 | - | 4.82 | 122,093 |
| Japan Country Quiz | 0 | - | 4.92 | 141,128 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,000 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,798 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,795 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,003 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,276 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,994 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,288 |
| Syria Country Quiz | 0 | - | 4.81 | 32,269 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,331 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,460 |
| Palau Country Quiz | 0 | - | 4.89 | 22,817 |
| Boundary Waters | 0 | - | 4.92 | 87,996 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,193 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,376 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,094 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,963 |
| Random European Capital to Country | 0 | - | 4.98 | 189,081 |
| Random European Country to Capital | 0 | - | 4.92 | 147,351 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,335 |
| Random African Country to Capital | 0 | - | 4.94 | 70,161 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,863,185 |
| Landlocked Countries | 0 | - | 4.99 | 412,986 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,756 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,999 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,785 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,044 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,111 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,208 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,190 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,074 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,735 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,426 |
