| Olympic Host Countries | 0 | - | 4.98 | 198,900 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,798 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,570 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,827 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,918 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,562 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,747 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,652 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,431 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,233 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,136 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,022 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,949 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,752 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,597 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,214 |
| Countries with Megacities | 0 | - | 4.99 | 246,906 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,117 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,968 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,530 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,855 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,078 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,636 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,567 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,284 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,813 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,046 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,972 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,841 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,936 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,889 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,486 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,607 |
| North American Sports Cities | 0 | - | 4.83 | 170,910 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,005 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,818 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,566 |
| The Only European Country ... | 0 | - | 4.91 | 213,842 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,155 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,545 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Countries of Africa | 0 | - | 5.00 | 2,508,018 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,906 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,796 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,397 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,089 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,145 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,341 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,937 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,403 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,593 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,477 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,296 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,275 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,613 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,812 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,220 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,829 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,344 |
| Countries of the Middle East | 0 | - | 4.96 | 198,931 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,270 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,919 |
| Slavic Countries | 0 | - | 4.96 | 110,861 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,356 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,875 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,120 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,104 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,089 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,702 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,494 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,115 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,631 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,718 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,768 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,167 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,292 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,581 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,279 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,421 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,253 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,726 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,970 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,003 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,861 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,996 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,611 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,405 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,849 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,937 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,292 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,208 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,343 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,369 |
| Monarchies of Europe | 0 | - | 4.90 | 97,322 |
| Monarchies of Asia | 0 | - | 4.97 | 70,607 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,491 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,283 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,169 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,496 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,553 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,648 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,186 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,117 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,947 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,718 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,278 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,792 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,826 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,887 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,332 |
| Countries that Start with D | 0 | - | 4.96 | 701,548 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,513 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,781 |
| Countries that Start with H | 0 | - | 4.96 | 597,963 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,277 |
| Countries that Start with J | 0 | - | 4.98 | 596,028 |
| Countries that Start with K | 0 | - | 4.97 | 809,409 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,886 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,738 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,553 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,536 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,224 |
| Countries that Start with U | 0 | - | 4.97 | 899,929 |
| Countries that Start with V | 0 | - | 4.98 | 605,104 |
| Countries that Start with F | 0 | - | 4.83 | 612,190 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,349 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,779 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,251 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,399 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,050 |
| European Countries with One Border | 0 | - | 4.97 | 181,633 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,526 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,112 |
| Boundary Waters | 0 | - | 4.92 | 88,043 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,817 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,287 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,954 |
| UK Immigration by Country | 0 | - | 4.94 | 139,647 |
| Boxing Countries | 0 | - | 4.26 | 31,224 |
| Central American Countries | 0 | - | 4.98 | 155,059 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,887 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,274 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,865 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,940 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,265 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,365 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,253 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,090 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,802 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,778 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,458 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,216 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,250 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,122 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,493 |
| Countries That Border Russia | 0 | - | 4.98 | 458,928 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,496 |
| Countries Bordering France | 0 | - | 4.83 | 399,140 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,063 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,218 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,510 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,205 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,981 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,809 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,054 |
| Germany Country Quiz | 0 | - | 4.82 | 156,554 |
| Russia Country Quiz | 0 | - | 4.85 | 113,638 |
| Italy Country Quiz | 0 | - | 4.82 | 122,213 |
| Japan Country Quiz | 0 | - | 4.92 | 141,256 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,151 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,854 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,821 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,038 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,044 |
| Syria Country Quiz | 0 | - | 4.81 | 32,314 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,487 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,501 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,818 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,237 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,920,311 |
| Landlocked Countries | 0 | - | 4.99 | 413,633 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,015 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,785 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,462 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,351 |
| Palau Country Quiz | 0 | - | 4.89 | 22,845 |
