| Countries by Sports League Revenue | 0 | - | 4.94 | 77,377 |
| Olympic Host Countries | 0 | - | 4.98 | 200,782 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,564 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,076 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,158 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,439 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,513 |
| Countries with Megacities | 0 | - | 4.99 | 263,551 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,361 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,279 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,642 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,314 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,390 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,993 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,411 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,828 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,943 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,548 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,411 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,351 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,384 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,188 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,733 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,841 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,928 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,407 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,558 |
| North American Sports Cities | 0 | - | 4.83 | 172,405 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,329 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,100 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,853 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,312 |
| The Only European Country ... | 0 | - | 4.91 | 216,722 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,333 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,189 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,661 |
| Countries of Africa | 0 | - | 5.00 | 2,537,926 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,220 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,853 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,806 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,191 |
| Boundary Waters | 0 | - | 4.92 | 88,478 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,175 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,110 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,873 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,650 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,618 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,469 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,916 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,026 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,308 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,205 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,768 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,264 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,552 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,085 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,792 |
| Countries of the Middle East | 0 | - | 4.96 | 201,224 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,314 |
| Slavic Countries | 0 | - | 4.96 | 111,693 |
| African Island Countries | 0 | - | 4.96 | 101,659 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,993 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,147 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,927 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,532 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,556 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,026 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,697 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,775 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,624 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,249 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,231 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,609 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,273 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,177 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,016 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,288 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,964 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,552 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,826 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,229 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,171 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,187 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,368 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,939 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,887 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,363 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,847 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,446 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,307 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,759 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,620 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,472,922 |
| Landlocked Countries | 0 | - | 4.99 | 420,705 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,925 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,322 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,136 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,097 |
| Monarchies of Europe | 0 | - | 4.90 | 98,169 |
| Monarchies of Asia | 0 | - | 4.97 | 71,104 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,902 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,868 |
| Countries that Start with A | 0 | - | 4.98 | 2,163,112 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,794 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,435 |
| Countries that Start with D | 0 | - | 4.96 | 709,866 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,468 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,623 |
| Countries that Start with H | 0 | - | 4.96 | 604,942 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,532 |
| Countries that Start with J | 0 | - | 4.98 | 602,629 |
| Countries that Start with K | 0 | - | 4.97 | 815,993 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,956 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,946 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,341 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,141 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,026 |
| Countries that Start with U | 0 | - | 4.97 | 904,652 |
| Countries that Start with V | 0 | - | 4.98 | 609,462 |
| Countries that Start with F | 0 | - | 4.83 | 617,772 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,938 |
| The Only African Country ... | 0 | - | 4.99 | 129,120 |
| The Only American Country ... | 0 | - | 4.92 | 121,636 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,138 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,788 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,882 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,576 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,028 |
| European Countries with One Border | 0 | - | 4.97 | 182,813 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,614 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,222 |
| Boxing Countries | 0 | - | 4.26 | 31,361 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,616 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,519 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,103 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,699 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,208 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,451 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,227 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,013 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,811 |
| Himalayan Countries | 0 | - | 4.95 | 138,154 |
| Andean Countries | 0 | - | 4.95 | 84,296 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,523 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,390 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,155 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,593 |
| Danube Countries | 0 | - | 4.97 | 71,851 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,822 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,257 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,012 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,466 |
| European Landlocked Countries | 0 | - | 4.99 | 146,987 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,402 |
| Countries with the Most Species | 0 | - | 4.99 | 103,106 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,555 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,513 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,665 |
| UK Immigration by Country | 0 | - | 4.94 | 140,927 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,455 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,128 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,519 |
| Countries in the Alps | 0 | - | 4.87 | 117,979 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,745 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,749 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,554 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,467 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,334 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,839 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,488 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,357 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,086 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,713 |
| Central American Countries | 0 | - | 4.98 | 156,496 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,427 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,671 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,084 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,027 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,264 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,361 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,378 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,579 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,701 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,260 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,623 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,838 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,266 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,715 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,122 |
| Largest Countries By Category | 0 | - | 4.97 | 157,954 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,123 |
| Countries by Countries | 0 | - | 4.97 | 63,030 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,459 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,623 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,621 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,205 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,514 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,248 |
