| Countries by Sports League Revenue | 0 | - | 4.93 | 67,543 |
| Olympic Host Countries | 0 | - | 4.98 | 189,752 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 258,454 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 135,334 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,962 |
| Countries with Megacities | 0 | - | 4.99 | 218,188 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,817 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,286 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,725 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,276 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,019 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 54,083 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,381,931 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,905 |
| Countries with Major League Baseball Players | 0 | - | 4.56 | 64,798 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 91,213 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 52,857 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 53,743 |
| Countries that Export the Most Football Players | 0 | - | 4.44 | 52,846 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.45 | 82,271 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,922 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,481 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,990 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,733 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,217 |
| Summer Olympic City Bids | 0 | - | 4.92 | 39,520 |
| Countries That Use the Euro | 0 | - | 4.93 | 76,045 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 104,601 |
| The Only European Country ... | 0 | - | 4.92 | 198,177 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,852 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 89,714 |
| Countries of Africa | 0 | - | 5.00 | 2,359,102 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.38 | 56,527 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 25,444 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.46 | 92,082 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 109,103 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 66,910 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.53 | 88,340 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.71 | 37,078 |
| Boundary Waters | 0 | - | 4.93 | 85,391 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,967 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,284 |
| Countries of Europe by Population | 0 | - | 4.98 | 163,468 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,752 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,723 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,513 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,856 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 214,601 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 130,168 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 72,647 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 80,652 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 64,509 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 70,473 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 202,415 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 203,700 |
| Countries of the Middle East | 0 | - | 4.95 | 188,405 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 82,782 |
| Slavic Countries | 0 | - | 4.96 | 106,661 |
| African Island Countries | 0 | - | 4.96 | 96,118 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 159,634 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 163,693 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 119,767 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 101,399 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 129,096 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 208,601 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 185,931 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 148,189 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,289 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 138,517 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 145,574 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 111,454 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 154,890 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 94,632 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 103,046 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,270,206 |
| Countries of North America Quiz | 0 | - | 5.00 | 954,533 |
| Countries by Population Decrease | 0 | - | 4.46 | 48,482 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.61 | 61,903 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.46 | 159,170 |
| Athletes by Country Quiz #1 | 0 | - | 4.35 | 44,792 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 29,551 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 220,361 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 173,055 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 170,219 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 98,767 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 104,872 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 153,655 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 168,436 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 218,020 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,326,146 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 382,710 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 120,032 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 129,390 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 106,443 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 101,273 |
| Monarchies of Europe | 0 | - | 4.89 | 93,232 |
| Monarchies of Asia | 0 | - | 4.96 | 68,167 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 124,668 |
| Countries that Start with A | 0 | - | 4.98 | 2,063,982 |
| Countries that Start with B | 0 | - | 4.95 | 2,201,745 |
| Countries that Start with C | 0 | - | 4.96 | 1,746,389 |
| Countries that Start with D | 0 | - | 4.96 | 658,413 |
| Countries that Start with E | 0 | - | 4.96 | 1,314,295 |
| Countries that Start with G | 0 | - | 4.97 | 1,436,796 |
| Countries that Start with H | 0 | - | 4.96 | 561,386 |
| Countries that Start with I | 0 | - | 4.92 | 1,236,238 |
| Countries that Start with J | 0 | - | 4.98 | 561,649 |
| Countries that Start with K | 0 | - | 4.97 | 772,418 |
| Countries that Start with L | 0 | - | 4.98 | 1,039,556 |
| Countries that Start with N | 0 | - | 4.93 | 1,066,033 |
| Countries that Start with P | 0 | - | 4.95 | 1,166,211 |
| Countries that Start with S | 0 | - | 4.98 | 1,689,585 |
| Countries that Start with T | 0 | - | 4.89 | 970,088 |
| Countries that Start with U | 0 | - | 4.97 | 871,215 |
| Countries that Start with V | 0 | - | 4.98 | 582,997 |
| Countries that Start with F | 0 | - | 4.83 | 581,935 |
| Countries that Start with M | 0 | - | 4.97 | 1,326,178 |
| The Only African Country ... | 0 | - | 4.98 | 124,825 |
| The Only American Country ... | 0 | - | 4.93 | 115,857 |
| African Countries by a Single Clue | 0 | - | 4.92 | 66,063 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 69,786 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 90,464 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 130,085 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 99,431 |
| European Countries with One Border | 0 | - | 4.97 | 175,517 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 171,978 |
| Countries Closest to Africa | 0 | - | 4.95 | 151,211 |
| Boxing Countries | 0 | - | 4.26 | 30,569 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,931 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 82,253 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,662 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 97,099 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,497 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 54,251 |
| North American Sports Cities | 0 | - | 4.77 | 165,955 |
| World Capitals Quiz | 0 | - | 5.00 | 4,806,418 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,513 |
| Himalayan Countries | 0 | - | 4.94 | 122,183 |
| Andean Countries | 0 | - | 4.93 | 68,645 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,634 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,034 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,874 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,264 |
| Danube Countries | 0 | - | 4.97 | 60,820 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,839 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,869 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,498 |
| Countries with the Worst Passports | 0 | - | 4.92 | 65,956 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,172 |
| European Landlocked Countries | 0 | - | 4.99 | 140,996 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,052 |
| Countries with the Most Species | 0 | - | 4.99 | 92,328 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,441 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,683 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,780 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,567 |
| UK Immigration by Country | 0 | - | 4.94 | 133,855 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,338 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,937 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,626 |
| Countries in the Alps | 0 | - | 4.86 | 110,417 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,696 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,785 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,374 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,725 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,617 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,941 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,990 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,830 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,955 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,770 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,718 |
| Central American Countries | 0 | - | 4.98 | 148,250 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 109,147 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,248 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,090 |
| Total United States Immigration by Country | 0 | - | 4.89 | 104,506 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,153 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 101,927 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 47,999 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,828 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,508 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,975 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,789 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,722 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 91,823 |
| African Countries with the Most Christians | 0 | - | 4.92 | 71,965 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,044 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,082 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,091 |
| Largest Countries By Category | 0 | - | 4.97 | 151,360 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 190,187 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 115,970 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 108,726 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 87,198 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 97,400 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 55,670 |
| European Countries NOT in NATO | 0 | - | 4.78 | 39,166 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,406,661 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 75,718 |
