| Countries by Sports League Revenue | 0 | - | 4.95 | 78,144 |
| Olympic Host Countries | 0 | - | 4.98 | 201,619 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,575 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,640 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,969 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,727 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,679 |
| Countries with Megacities | 0 | - | 4.99 | 266,183 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,415 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,840 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,696 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,958 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,629 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,848 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,900 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,985 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,266 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,874 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,712 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,479 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,085 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,528 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,170 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,699 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,493 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,778 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,045 |
| North American Sports Cities | 0 | - | 4.83 | 172,966 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,503 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,322 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,639 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,773 |
| The Only European Country ... | 0 | - | 4.91 | 218,421 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,485 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,188 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,847 |
| Countries of Africa | 0 | - | 5.00 | 2,553,383 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,021 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,578 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,284 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,417 |
| Boundary Waters | 0 | - | 4.92 | 88,694 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,522 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,430 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,188 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,837 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,113 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,479 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,592 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,743 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,422 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,101 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,440 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,768 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,108 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,277 |
| Countries of the Middle East | 0 | - | 4.96 | 202,298 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,958 |
| Slavic Countries | 0 | - | 4.96 | 112,197 |
| African Island Countries | 0 | - | 4.96 | 102,265 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,476 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,725 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,594 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,126 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,353 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,091 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,304 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,370 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,870 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,653 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,856 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,321 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,092 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,730 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,007 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,978 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,886 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,089 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,942 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,416 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,545 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,698 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,489 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,432 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,040 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,769 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,419 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,702 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,750 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,843 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,116 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,359 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,761,316 |
| Landlocked Countries | 0 | - | 4.99 | 424,203 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,338 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,905 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,518 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,384 |
| Monarchies of Europe | 0 | - | 4.90 | 98,674 |
| Monarchies of Asia | 0 | - | 4.97 | 71,400 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,197 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,056 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,196 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,235 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,930 |
| Countries that Start with D | 0 | - | 4.96 | 714,621 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,987 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,308 |
| Countries that Start with H | 0 | - | 4.96 | 608,297 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,927 |
| Countries that Start with J | 0 | - | 4.98 | 605,759 |
| Countries that Start with K | 0 | - | 4.97 | 819,443 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,176 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,201 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,481 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,964 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,637 |
| Countries that Start with U | 0 | - | 4.97 | 907,499 |
| Countries that Start with V | 0 | - | 4.98 | 611,292 |
| Countries that Start with F | 0 | - | 4.83 | 620,308 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,536 |
| The Only African Country ... | 0 | - | 4.99 | 129,520 |
| The Only American Country ... | 0 | - | 4.92 | 122,065 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,321 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,199 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,342 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,253 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,615 |
| European Countries with One Border | 0 | - | 4.97 | 183,529 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,275 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,642 |
| Boxing Countries | 0 | - | 4.27 | 31,460 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,838 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,689 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,766 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,023 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,791 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,722 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,700 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,430 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,509 |
| Himalayan Countries | 0 | - | 4.94 | 139,663 |
| Andean Countries | 0 | - | 4.94 | 85,130 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,315 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,557 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,887 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,170 |
| Danube Countries | 0 | - | 4.97 | 72,247 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,377 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,677 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,796 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,287 |
| European Landlocked Countries | 0 | - | 4.99 | 147,426 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,036 |
| Countries with the Most Species | 0 | - | 4.99 | 103,453 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,172 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,699 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,809 |
| UK Immigration by Country | 0 | - | 4.94 | 141,491 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,451 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,874 |
| Countries in the Alps | 0 | - | 4.87 | 118,535 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,208 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,541 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,839 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,849 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,774 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,962 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,704 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,326 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,040 |
| Central American Countries | 0 | - | 4.98 | 157,137 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,158 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,780 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,644 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,421 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,619 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,351 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,663 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,748 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,445 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,495 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,435 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,775 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,960 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,445 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,089 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,766 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,408 |
| Largest Countries By Category | 0 | - | 4.97 | 158,597 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,314 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,098 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,623 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,644 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,917 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,499 |
