| Countries by Sports League Revenue | 0 | - | 4.94 | 75,432 |
| Olympic Host Countries | 0 | - | 4.98 | 198,783 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,930 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,861 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,693 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,226 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,912 |
| Countries with Megacities | 0 | - | 4.99 | 246,310 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,836 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,758 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,292 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,699 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,787 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,839 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,315 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,542 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,225 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,601 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,747 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,020 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,899 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,362 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,745 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,747 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,782 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,412 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,515 |
| North American Sports Cities | 0 | - | 4.83 | 170,791 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,889 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,783 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,748 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,380 |
| The Only European Country ... | 0 | - | 4.91 | 213,562 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,904 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,361 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Countries of Africa | 0 | - | 5.00 | 2,505,237 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,610 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,243 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,844 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,712 |
| Boundary Waters | 0 | - | 4.92 | 88,003 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,198 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,789 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,085 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,092 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,194 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,789 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,344 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,191 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,533 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,502 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,738 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,929 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,097 |
| Countries of the Middle East | 0 | - | 4.96 | 198,752 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,179 |
| Slavic Countries | 0 | - | 4.96 | 110,787 |
| African Island Countries | 0 | - | 4.96 | 100,687 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,026 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,991 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,608 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,393 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,958 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,510 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,613 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,689 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,099 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,218 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,487 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,174 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,335 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,150 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,443 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,780 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,709 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,591 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,812 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,710 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,268 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,761 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,849 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,717 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,919 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,770 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,291 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,497 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,169 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,867,286 |
| Landlocked Countries | 0 | - | 4.99 | 413,037 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,118 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,263 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,278 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,308 |
| Monarchies of Europe | 0 | - | 4.90 | 97,234 |
| Monarchies of Asia | 0 | - | 4.97 | 70,546 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,393 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,602 |
| Countries that Start with A | 0 | - | 4.98 | 2,145,132 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,407 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,121 |
| Countries that Start with D | 0 | - | 4.96 | 700,736 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,569 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,757 |
| Countries that Start with H | 0 | - | 4.96 | 597,260 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,449 |
| Countries that Start with J | 0 | - | 4.98 | 595,336 |
| Countries that Start with K | 0 | - | 4.96 | 808,780 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,159 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,019 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,844 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,499 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,615 |
| Countries that Start with U | 0 | - | 4.97 | 899,458 |
| Countries that Start with V | 0 | - | 4.98 | 604,673 |
| Countries that Start with F | 0 | - | 4.83 | 611,631 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,511 |
| The Only African Country ... | 0 | - | 4.99 | 128,289 |
| The Only American Country ... | 0 | - | 4.92 | 120,678 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,747 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,207 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,975 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,247 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,942 |
| European Countries with One Border | 0 | - | 4.97 | 181,500 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,004 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,030 |
| Boxing Countries | 0 | - | 4.26 | 31,212 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,117 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,086 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,499 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,378 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,861 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,882 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,122 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,954 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,331 |
| Himalayan Countries | 0 | - | 4.95 | 135,121 |
| Andean Countries | 0 | - | 4.94 | 82,703 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,119 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,041 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,798 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,502 |
| Danube Countries | 0 | - | 4.97 | 71,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,674 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,473 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,333 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,247 |
| European Landlocked Countries | 0 | - | 4.99 | 145,688 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,083 |
| Countries with the Most Species | 0 | - | 4.99 | 95,205 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,240 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,181 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,341 |
| UK Immigration by Country | 0 | - | 4.94 | 139,511 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,918 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,532 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,890 |
| Countries in the Alps | 0 | - | 4.87 | 116,717 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,498 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,122 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,960 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,346 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,079 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,944 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,494 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,702 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,670 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,991 |
| Central American Countries | 0 | - | 4.98 | 154,939 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,172 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,006 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,560 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,390 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,690 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,001 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,695 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,696 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,925 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,582 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,212 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,090 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,801 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,706 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,935 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,428 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,555 |
| Largest Countries By Category | 0 | - | 4.97 | 156,658 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,075 |
| Countries by Countries | 0 | - | 4.96 | 62,189 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,128 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,310 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,169 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,020 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,745 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,724 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,392 |
