| Countries by Sports League Revenue | 0 | - | 4.95 | 77,974 |
| Olympic Host Countries | 0 | - | 4.98 | 201,421 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,852 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,176 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,842 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,790 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,319 |
| Countries with Megacities | 0 | - | 4.99 | 265,530 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,123 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,684 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,379 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,757 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,589 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,405 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,499 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,937 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,193 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,790 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,648 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,455 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,929 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,461 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,067 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,505 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,350 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,681 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,893 |
| North American Sports Cities | 0 | - | 4.83 | 172,839 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,460 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,049 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,484 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,466 |
| The Only European Country ... | 0 | - | 4.91 | 217,996 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,190 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,980 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,801 |
| Countries of Africa | 0 | - | 5.00 | 2,549,994 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,852 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,425 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,173 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,378 |
| Boundary Waters | 0 | - | 4.92 | 88,647 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,318 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,423 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,065 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,057 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,775 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,936 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,341 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,450 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,366 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,033 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,394 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,702 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,867 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,931 |
| Countries of the Middle East | 0 | - | 4.96 | 202,050 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,795 |
| Slavic Countries | 0 | - | 4.96 | 112,080 |
| African Island Countries | 0 | - | 4.96 | 102,130 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,364 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,561 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,439 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,993 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,160 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,903 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,175 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,248 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,813 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,565 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,735 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,206 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,952 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,608 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,854 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,868 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,483 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,610 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,916 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,371 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,467 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,523 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,442 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,414 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,774 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,571 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,206 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,579 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,690 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,691 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,018 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,190 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,690,268 |
| Landlocked Countries | 0 | - | 4.99 | 423,316 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,255 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,768 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,413 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,310 |
| Monarchies of Europe | 0 | - | 4.90 | 98,511 |
| Monarchies of Asia | 0 | - | 4.97 | 71,334 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,117 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,836 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,834 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,873 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,262 |
| Countries that Start with D | 0 | - | 4.96 | 713,404 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,554 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,823 |
| Countries that Start with H | 0 | - | 4.96 | 607,412 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,802 |
| Countries that Start with J | 0 | - | 4.98 | 604,911 |
| Countries that Start with K | 0 | - | 4.97 | 818,549 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,085 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,129 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,469 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,491 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,768 |
| Countries that Start with U | 0 | - | 4.97 | 906,526 |
| Countries that Start with V | 0 | - | 4.98 | 610,780 |
| Countries that Start with F | 0 | - | 4.83 | 619,633 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,385 |
| The Only African Country ... | 0 | - | 4.99 | 129,423 |
| The Only American Country ... | 0 | - | 4.92 | 121,952 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,286 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,130 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,219 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,093 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,483 |
| European Countries with One Border | 0 | - | 4.97 | 183,365 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,133 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,543 |
| Boxing Countries | 0 | - | 4.26 | 31,435 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,792 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,653 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,624 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,953 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,651 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,677 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,586 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,632 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,142 |
| Himalayan Countries | 0 | - | 4.94 | 139,322 |
| Andean Countries | 0 | - | 4.93 | 84,935 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,155 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,320 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,730 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,042 |
| Danube Countries | 0 | - | 4.97 | 72,161 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,238 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,567 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,599 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,106 |
| European Landlocked Countries | 0 | - | 4.99 | 147,319 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,889 |
| Countries with the Most Species | 0 | - | 4.99 | 103,373 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,021 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,660 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| UK Immigration by Country | 0 | - | 4.94 | 141,336 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,640 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,399 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,806 |
| Countries in the Alps | 0 | - | 4.87 | 118,419 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,896 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,347 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,778 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,757 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,667 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,066 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,854 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,266 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Central American Countries | 0 | - | 4.98 | 156,980 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,072 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,738 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,611 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,036 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,347 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,461 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,323 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,598 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,666 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,247 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,434 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,955 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,666 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,878 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,287 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,673 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,512 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,335 |
| Largest Countries By Category | 0 | - | 4.97 | 158,463 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,085 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,959 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,206 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,540 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,839 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,434 |
