| Countries by Sports League Revenue | 0 | - | 4.94 | 75,580 |
| Olympic Host Countries | 0 | - | 4.98 | 198,909 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,645 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,028 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,810 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,059 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,267 |
| Countries with Megacities | 0 | - | 4.99 | 246,981 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,154 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,995 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,571 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,892 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,835 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,193 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,671 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,571 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,288 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,654 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,822 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,049 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,977 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,432 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,849 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,945 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,896 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,616 |
| North American Sports Cities | 0 | - | 4.83 | 170,919 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,921 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,027 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,824 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,588 |
| The Only European Country ... | 0 | - | 4.91 | 213,888 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,172 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,568 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,215 |
| Countries of Africa | 0 | - | 5.00 | 2,508,237 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,805 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,417 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,924 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,754 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,294 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,118 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,253 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,156 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,352 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,950 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,489 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,307 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,287 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,618 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,819 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,159 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,372 |
| Countries of the Middle East | 0 | - | 4.96 | 198,949 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,278 |
| Slavic Countries | 0 | - | 4.96 | 110,873 |
| African Island Countries | 0 | - | 4.96 | 100,800 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,133 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,120 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,730 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,503 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,132 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,640 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,724 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,780 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,160 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,174 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,587 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,290 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,431 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,266 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,510 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,916 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,846 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,618 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,851 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,747 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,280 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,990 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,017 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,872 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,002 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,412 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,604 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,303 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,925,022 |
| Landlocked Countries | 0 | - | 4.99 | 413,679 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,217 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,371 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,377 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,001 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,996 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,431 |
| Countries that Start with D | 0 | - | 4.96 | 701,624 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,605 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,890 |
| Countries that Start with H | 0 | - | 4.96 | 598,023 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,339 |
| Countries that Start with J | 0 | - | 4.98 | 596,081 |
| Countries that Start with K | 0 | - | 4.97 | 809,461 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,948 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,809 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,624 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,610 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,274 |
| Countries that Start with U | 0 | - | 4.97 | 899,962 |
| Countries that Start with V | 0 | - | 4.98 | 605,136 |
| Countries that Start with F | 0 | - | 4.83 | 612,231 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,441 |
| The Only African Country ... | 0 | - | 4.99 | 128,374 |
| The Only American Country ... | 0 | - | 4.92 | 120,770 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,050 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,413 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,064 |
| European Countries with One Border | 0 | - | 4.97 | 181,646 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,541 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,118 |
| Boxing Countries | 0 | - | 4.26 | 31,226 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,163 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,138 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,639 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 102,911 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,015 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,959 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,246 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,035 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,616 |
| Himalayan Countries | 0 | - | 4.95 | 135,381 |
| Andean Countries | 0 | - | 4.94 | 82,833 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,223 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,224 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,913 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,617 |
| Danube Countries | 0 | - | 4.97 | 71,088 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,541 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,410 |
| European Landlocked Countries | 0 | - | 4.99 | 145,760 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,220 |
| Countries with the Most Species | 0 | - | 4.99 | 95,243 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,356 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| UK Immigration by Country | 0 | - | 4.94 | 139,668 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,959 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,830 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,574 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,267 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,427 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,174 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,009 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,584 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,313 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,065 |
| Central American Countries | 0 | - | 4.98 | 155,070 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,669 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,905 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,018 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,076 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,652 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,284 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,872 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,329 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,688 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,606 |
| Largest Countries By Category | 0 | - | 4.97 | 156,767 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,967 |
| Countries by Countries | 0 | - | 4.96 | 62,261 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,272 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,370 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,259 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,095 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,810 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,780 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,462 |
