| Olympic Host Countries | 0 | - | 4.98 | 198,839 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,047 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,743 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,509 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,807 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,726 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,906 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,246 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,630 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,397 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,954 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,490 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,001 |
| Countries with Megacities | 0 | - | 4.99 | 246,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,922 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,801 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,373 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,733 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,512 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,483 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,560 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,255 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,781 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,032 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,947 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,780 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,831 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,444 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,544 |
| North American Sports Cities | 0 | - | 4.83 | 170,855 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,898 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,472 |
| The Only European Country ... | 0 | - | 4.91 | 213,714 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,040 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,180 |
| Countries of Africa | 0 | - | 5.00 | 2,506,590 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,884 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,697 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,321 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,938 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,154 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,114 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,264 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,861 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,543 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,406 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,241 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,221 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,569 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,769 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,167 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,422 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,230 |
| Countries of the Middle East | 0 | - | 4.96 | 198,838 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,216 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,881 |
| Slavic Countries | 0 | - | 4.96 | 110,820 |
| African Island Countries | 0 | - | 4.96 | 100,746 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,344 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,073 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,040 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,258 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,447 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,038 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,573 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,671 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,730 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,138 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,540 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,218 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,479 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,852 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,927 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,794 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,958 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,807 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,341 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,836 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,911 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,556 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,242 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,155 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,316 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,308 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,339 |
| Monarchies of Europe | 0 | - | 4.90 | 97,281 |
| Monarchies of Asia | 0 | - | 4.97 | 70,581 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,271 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,693 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,067 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,217 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,789 |
| Countries that Start with D | 0 | - | 4.96 | 701,173 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,087 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,311 |
| Countries that Start with H | 0 | - | 4.96 | 597,636 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,932 |
| Countries that Start with J | 0 | - | 4.98 | 595,700 |
| Countries that Start with K | 0 | - | 4.97 | 809,129 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,550 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,412 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,250 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,080 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,971 |
| Countries that Start with U | 0 | - | 4.97 | 899,737 |
| Countries that Start with V | 0 | - | 4.98 | 604,907 |
| Countries that Start with F | 0 | - | 4.83 | 611,940 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,963 |
| The Only African Country ... | 0 | - | 4.99 | 128,330 |
| The Only American Country ... | 0 | - | 4.92 | 120,720 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,765 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,232 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,017 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,319 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,993 |
| European Countries with One Border | 0 | - | 4.97 | 181,573 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,482 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,068 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,241 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,932 |
| UK Immigration by Country | 0 | - | 4.94 | 139,554 |
| Boxing Countries | 0 | - | 4.26 | 31,221 |
| Central American Countries | 0 | - | 4.98 | 154,993 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,619 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,731 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,195 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,837 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,783 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,190 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,340 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,203 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,054 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,772 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,759 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,426 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,184 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,211 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,087 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,480 |
| Countries That Border Russia | 0 | - | 4.98 | 458,802 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,452 |
| Countries Bordering France | 0 | - | 4.83 | 398,575 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,933 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,195 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,464 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,172 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,610 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,016 |
| Germany Country Quiz | 0 | - | 4.82 | 156,484 |
| Russia Country Quiz | 0 | - | 4.85 | 113,607 |
| Italy Country Quiz | 0 | - | 4.82 | 122,150 |
| Japan Country Quiz | 0 | - | 4.92 | 141,191 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,081 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,827 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,807 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,018 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,028 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,314 |
| Syria Country Quiz | 0 | - | 4.81 | 32,285 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,473 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,428 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,184 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,895,201 |
| Landlocked Countries | 0 | - | 4.99 | 413,319 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,762 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,446 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,341 |
| Palau Country Quiz | 0 | - | 4.89 | 22,830 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,111 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,516 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,992 |
| Random European Capital to Country | 0 | - | 4.98 | 189,147 |
| Random European Country to Capital | 0 | - | 4.92 | 147,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,340 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,371 |
| Random African Country to Capital | 0 | - | 4.94 | 70,197 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,779 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,823 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,063 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,136 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,246 |
