| Countries by Sports League Revenue | 0 | - | 4.95 | 78,830 |
| Olympic Host Countries | 0 | - | 4.98 | 202,271 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,241 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,706 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,398 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,795 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,558 |
| Countries with Megacities | 0 | - | 4.99 | 267,982 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,207 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,367 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,534 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,775 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,361 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,052 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,145 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,471 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,080 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,892 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,569 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,697 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,762 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,483 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,562 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,847 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,012 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,385 |
| North American Sports Cities | 0 | - | 4.82 | 173,321 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,610 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,280 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,272 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,524 |
| The Only European Country ... | 0 | - | 4.91 | 219,646 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,393 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,860 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,998 |
| Countries of Africa | 0 | - | 5.00 | 2,565,262 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,525 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,077 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,716 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,585 |
| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,710 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,650 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,602 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,884 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,058 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,033 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,628 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,294 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,579 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,934 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,846 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,316 |
| Countries of the Middle East | 0 | - | 4.96 | 203,307 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,392 |
| Slavic Countries | 0 | - | 4.96 | 112,524 |
| African Island Countries | 0 | - | 4.96 | 102,755 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,846 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,408 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,046 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,507 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,993 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,191 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,799 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,748 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,988 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,557 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,082 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,722 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,094 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,341 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,662 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,359 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,567 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,026 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,551 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,809 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,266 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,658 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,466 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,322 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,970 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,489 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,354 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,115 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,991 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,129 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,386 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,181 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,984,861 |
| Landlocked Countries | 0 | - | 4.99 | 427,433 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,594 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,319 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,790 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,628 |
| Monarchies of Europe | 0 | - | 4.90 | 99,049 |
| Monarchies of Asia | 0 | - | 4.97 | 71,620 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,367 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,870 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,868 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,479 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,781 |
| Countries that Start with D | 0 | - | 4.96 | 718,059 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,988 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,568 |
| Countries that Start with H | 0 | - | 4.96 | 610,731 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,126 |
| Countries that Start with J | 0 | - | 4.98 | 608,104 |
| Countries that Start with K | 0 | - | 4.97 | 821,941 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,312 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,427 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,538 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,175 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,082 |
| Countries that Start with U | 0 | - | 4.97 | 909,368 |
| Countries that Start with V | 0 | - | 4.98 | 612,658 |
| Countries that Start with F | 0 | - | 4.83 | 622,171 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,862 |
| The Only African Country ... | 0 | - | 4.99 | 129,811 |
| The Only American Country ... | 0 | - | 4.92 | 122,361 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,454 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,571 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,008 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,750 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,091 |
| European Countries with One Border | 0 | - | 4.97 | 184,049 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,769 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,004 |
| Boxing Countries | 0 | - | 4.27 | 31,508 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,000 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,823 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,262 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,878 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,001 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,141 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,001 |
| Himalayan Countries | 0 | - | 4.93 | 140,901 |
| Andean Countries | 0 | - | 4.94 | 85,839 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,956 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,549 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,494 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,715 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,831 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,995 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,479 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,952 |
| European Landlocked Countries | 0 | - | 4.99 | 147,796 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,565 |
| Countries with the Most Species | 0 | - | 4.99 | 103,657 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,667 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| UK Immigration by Country | 0 | - | 4.94 | 141,914 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,935 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,690 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,148 |
| Countries in the Alps | 0 | - | 4.87 | 119,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,052 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,193 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,192 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,153 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,619 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,012 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,521 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,326 |
| Central American Countries | 0 | - | 4.98 | 157,574 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,696 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,835 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,579 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,687 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,135 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,420 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,941 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,043 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,181 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,749 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,602 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,173 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,231 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,863 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,421 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,553 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,629 |
| Largest Countries By Category | 0 | - | 4.97 | 159,124 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,004 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,505 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,781 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,964 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,164 |
