| Olympic Host Countries | 0 | - | 4.98 | 198,991 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,867 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,687 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,858 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,937 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,051 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,688 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,468 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,348 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,251 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,120 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,664 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,774 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,639 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,368 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,938 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,866 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,541 |
| Countries with Megacities | 0 | - | 4.99 | 247,408 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,369 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,152 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,798 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,065 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,578 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,335 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,868 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,065 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,028 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,953 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,175 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,986 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,545 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,744 |
| North American Sports Cities | 0 | - | 4.83 | 170,988 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,169 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,881 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,703 |
| The Only European Country ... | 0 | - | 4.91 | 214,073 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,291 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,716 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,247 |
| Countries of Africa | 0 | - | 5.00 | 2,510,071 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,922 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,899 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,510 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,271 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,746 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,189 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,432 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,037 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,477 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,665 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,569 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,387 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,683 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,626 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,879 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,297 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,589 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,516 |
| Countries of the Middle East | 0 | - | 4.96 | 199,096 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,346 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,973 |
| Slavic Countries | 0 | - | 4.96 | 110,922 |
| African Island Countries | 0 | - | 4.96 | 100,853 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,526 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,044 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,192 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,204 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,194 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,679 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,835 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,582 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,239 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,714 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,773 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,859 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,182 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,217 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,375 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,640 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,358 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,478 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,317 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,547 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,095 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,109 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,944 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,045 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,857 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,485 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,372 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,262 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,442 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,404 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,404 |
| Monarchies of Europe | 0 | - | 4.90 | 97,384 |
| Monarchies of Asia | 0 | - | 4.97 | 70,640 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,458 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,531 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,348 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,257 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,572 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,583 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,709 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,329 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,358 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,024 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,763 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,949 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,014 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,858 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,138 |
| Countries that Start with D | 0 | - | 4.96 | 702,121 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,176 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,550 |
| Countries that Start with H | 0 | - | 4.96 | 598,427 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,815 |
| Countries that Start with J | 0 | - | 4.98 | 596,490 |
| Countries that Start with K | 0 | - | 4.97 | 809,817 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,386 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,298 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,065 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,258 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,599 |
| Countries that Start with U | 0 | - | 4.97 | 900,225 |
| Countries that Start with V | 0 | - | 4.98 | 605,391 |
| Countries that Start with F | 0 | - | 4.83 | 612,571 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,939 |
| The Only African Country ... | 0 | - | 4.99 | 128,407 |
| The Only American Country ... | 0 | - | 4.92 | 120,829 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,803 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,280 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,085 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,490 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,126 |
| European Countries with One Border | 0 | - | 4.97 | 181,719 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,627 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,165 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,632 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,881 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,982 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,285 |
| Countries That Border Russia | 0 | - | 4.98 | 459,121 |
| Countries Bordering France | 0 | - | 4.83 | 399,810 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,246 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,998 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,835 |
| UK Immigration by Country | 0 | - | 4.94 | 139,762 |
| Boxing Countries | 0 | - | 4.26 | 31,240 |
| Central American Countries | 0 | - | 4.98 | 155,148 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,718 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,030 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,348 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,913 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,145 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,362 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,415 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,302 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,143 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,855 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,812 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,505 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,272 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,313 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,168 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,518 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,545 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,247 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,550 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,246 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,015 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,091 |
| Germany Country Quiz | 0 | - | 4.82 | 156,682 |
| Russia Country Quiz | 0 | - | 4.85 | 113,701 |
| Italy Country Quiz | 0 | - | 4.82 | 122,315 |
| Japan Country Quiz | 0 | - | 4.92 | 141,389 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,333 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,898 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,835 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,072 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 34,226 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,307 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,083 |
| Syria Country Quiz | 0 | - | 4.81 | 32,379 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,514 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,841 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,362 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 112,624 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,316 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,139 |
| Random European Capital to Country | 0 | - | 4.98 | 189,339 |
| Random European Country to Capital | 0 | - | 4.92 | 147,556 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,444 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,523 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,959,255 |
| Landlocked Countries | 0 | - | 4.99 | 414,084 |
