| Countries by Sports League Revenue | 0 | - | 4.94 | 75,721 |
| Olympic Host Countries | 0 | - | 4.98 | 199,021 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,170 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,153 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,892 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,796 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,592 |
| Countries with Megacities | 0 | - | 4.99 | 247,503 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,433 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,180 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,853 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,108 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,864 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,170 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,917 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,581 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,357 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,694 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,890 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,073 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,047 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,478 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,005 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,254 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,012 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,556 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,793 |
| North American Sports Cities | 0 | - | 4.83 | 171,014 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,947 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,210 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,898 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,730 |
| The Only European Country ... | 0 | - | 4.91 | 214,121 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,337 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,745 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,257 |
| Countries of Africa | 0 | - | 5.00 | 2,510,724 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,929 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,541 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,996 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,781 |
| Boundary Waters | 0 | - | 4.92 | 88,078 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,845 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,376 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,317 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,375 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,199 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,466 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,059 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,601 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,407 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,357 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,700 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,637 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,893 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,284 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,578 |
| Countries of the Middle East | 0 | - | 4.96 | 199,142 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,367 |
| Slavic Countries | 0 | - | 4.96 | 110,940 |
| African Island Countries | 0 | - | 4.96 | 100,872 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,214 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,229 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,866 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,604 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,271 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,748 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,798 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,886 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,193 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,240 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,395 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,648 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,375 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,485 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,338 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,561 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,703 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,983 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,638 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,887 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,776 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,286 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,132 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,138 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,973 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,058 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,868 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,509 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,679 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,402 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,972,383 |
| Landlocked Countries | 0 | - | 4.99 | 414,269 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,274 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,462 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,415 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,421 |
| Monarchies of Europe | 0 | - | 4.90 | 97,405 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,999 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,382 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,186 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,405 |
| Countries that Start with D | 0 | - | 4.96 | 702,297 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,393 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,770 |
| Countries that Start with H | 0 | - | 4.96 | 598,572 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,011 |
| Countries that Start with J | 0 | - | 4.98 | 596,625 |
| Countries that Start with K | 0 | - | 4.97 | 809,951 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,569 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,471 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,229 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,534 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,732 |
| Countries that Start with U | 0 | - | 4.97 | 900,339 |
| Countries that Start with V | 0 | - | 4.98 | 605,497 |
| Countries that Start with F | 0 | - | 4.83 | 612,702 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,126 |
| The Only African Country ... | 0 | - | 4.98 | 128,422 |
| The Only American Country ... | 0 | - | 4.92 | 120,843 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,809 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,289 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,098 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,508 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,151 |
| European Countries with One Border | 0 | - | 4.97 | 181,738 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,639 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,212 |
| Boxing Countries | 0 | - | 4.26 | 31,240 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,212 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,174 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,790 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 113,502 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,171 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,005 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,344 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,747 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,855 |
| Himalayan Countries | 0 | - | 4.95 | 135,591 |
| Andean Countries | 0 | - | 4.94 | 82,951 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,313 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,357 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,016 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,685 |
| Danube Countries | 0 | - | 4.97 | 71,138 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,845 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,606 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,615 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,528 |
| European Landlocked Countries | 0 | - | 4.99 | 145,836 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,304 |
| Countries with the Most Species | 0 | - | 4.99 | 95,281 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,447 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,391 |
| UK Immigration by Country | 0 | - | 4.94 | 139,786 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,992 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,630 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,004 |
| Countries in the Alps | 0 | - | 4.86 | 116,928 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,382 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,066 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,477 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,250 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,060 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,815 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,529 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,118 |
| Central American Countries | 0 | - | 4.98 | 155,165 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,217 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,081 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,735 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,502 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,067 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,042 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,795 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,199 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,709 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,289 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,366 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,921 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,864 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,629 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,887 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,648 |
| Largest Countries By Category | 0 | - | 4.97 | 156,868 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,230 |
| Countries by Countries | 0 | - | 4.96 | 62,324 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,408 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,426 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,318 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,156 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,868 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,815 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,520 |