| Olympic Host Countries | 0 | - | 4.98 | 198,948 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,837 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,641 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,848 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,928 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,834 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,667 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,449 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,209 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,081 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,397 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,764 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,438 |
| Countries with Megacities | 0 | - | 4.99 | 247,254 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,284 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,090 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,710 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,013 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,571 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,778 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,755 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,575 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,310 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,844 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,058 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,001 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,879 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,022 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,939 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,656 |
| North American Sports Cities | 0 | - | 4.83 | 170,955 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,097 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,858 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,658 |
| The Only European Country ... | 0 | - | 4.91 | 213,973 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,237 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,632 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,233 |
| Countries of Africa | 0 | - | 5.00 | 2,509,196 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,913 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,860 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,470 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,953 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,196 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,303 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,174 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,403 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,007 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,457 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,643 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,537 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,348 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,327 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,666 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,606 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,857 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,264 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,307 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,446 |
| Countries of the Middle East | 0 | - | 4.96 | 199,032 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,308 |
| Slavic Countries | 0 | - | 4.96 | 110,896 |
| African Island Countries | 0 | - | 4.96 | 100,832 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,364 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,514 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,173 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,176 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,293 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,786 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,540 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,194 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,684 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,742 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,827 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,167 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,196 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,335 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,321 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,454 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,292 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,526 |
| Boundary Waters | 0 | - | 4.92 | 88,062 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,828 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,322 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,037 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,064 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,898 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,025 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,627 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,843 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,452 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,868 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,964 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,640 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,332 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,239 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,409 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,378 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,391 |
| Monarchies of Europe | 0 | - | 4.90 | 97,361 |
| Monarchies of Asia | 0 | - | 4.97 | 70,618 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,445 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,283 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,870 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,486 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,432 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,806 |
| Countries that Start with D | 0 | - | 4.96 | 701,883 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,916 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,252 |
| Countries that Start with H | 0 | - | 4.96 | 598,240 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,589 |
| Countries that Start with J | 0 | - | 4.98 | 596,293 |
| Countries that Start with K | 0 | - | 4.97 | 809,638 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,199 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,079 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,844 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,943 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,443 |
| Countries that Start with U | 0 | - | 4.97 | 900,097 |
| Countries that Start with V | 0 | - | 4.98 | 605,264 |
| Countries that Start with F | 0 | - | 4.83 | 612,418 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,695 |
| The Only African Country ... | 0 | - | 4.99 | 128,393 |
| The Only American Country ... | 0 | - | 4.92 | 120,797 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,270 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,070 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,446 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,091 |
| European Countries with One Border | 0 | - | 4.97 | 181,680 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,585 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,141 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,942,199 |
| Boxing Countries | 0 | - | 4.26 | 31,230 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 110,450 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,984 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,286 |
| Landlocked Countries | 0 | - | 4.99 | 413,861 |
| UK Immigration by Country | 0 | - | 4.94 | 139,721 |
| Central American Countries | 0 | - | 4.98 | 155,104 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,686 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,988 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,026 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,318 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,895 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,062 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,313 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,397 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,281 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,124 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,831 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,795 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,489 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,801 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,470 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,248 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,287 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,150 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Countries That Border Russia | 0 | - | 4.98 | 459,032 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,520 |
| Countries Bordering France | 0 | - | 4.83 | 399,563 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,165 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,234 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,535 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,226 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,001 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,976 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,094 |
| Germany Country Quiz | 0 | - | 4.82 | 156,631 |
| Russia Country Quiz | 0 | - | 4.85 | 113,684 |
| Italy Country Quiz | 0 | - | 4.82 | 122,276 |
| Japan Country Quiz | 0 | - | 4.92 | 141,332 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,267 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,875 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,829 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,052 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,301 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,066 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,361 |
| Syria Country Quiz | 0 | - | 4.81 | 32,364 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,360 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,504 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,187 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,149 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,687 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,078 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,341 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,114 |
| Random European Capital to Country | 0 | - | 4.98 | 189,294 |
| Random European Country to Capital | 0 | - | 4.92 | 147,515 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,430 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,473 |
| Random African Country to Capital | 0 | - | 4.94 | 70,249 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,690 |
| Himalayan Countries | 0 | - | 4.95 | 135,453 |
