| Countries by Sports League Revenue | 0 | - | 4.87 | 42,687 |
| Olympic Host Countries | 0 | - | 4.98 | 160,093 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 228,391 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 125,336 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,857 |
| Countries with Megacities | 0 | - | 4.99 | 194,292 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,051 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,652 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,407 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,518 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,565 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,128 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,186 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,148 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 46,211 |
| Countries with Major League Baseball Players | 0 | - | 4.56 | 52,570 |
| Countries with the Fastest Marathoners | 0 | - | 4.49 | 84,595 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 48,054 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.47 | 76,637 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,204 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,106 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,081 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,400 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,285 |
| Summer Olympic City Bids | 0 | - | 4.93 | 36,730 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,287 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,640 |
| The Only European Country ... | 0 | - | 4.94 | 175,634 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 191,877 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,356 |
| Countries of Africa | 0 | - | 5.00 | 2,136,325 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,786 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 82,676 |
| Countries With the Most NBA Players | 0 | - | 4.45 | 79,651 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.10 | 60,182 |
| Countries that Export the Most Football Players | 0 | - | 4.38 | 47,560 |
| Boundary Waters | 0 | - | 4.93 | 80,393 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,661 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,204 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,160 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,424 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,305 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 203,784 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,711 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,123 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,549 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,271 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,487 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 192,002 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,108 |
| Countries of the Middle East | 0 | - | 4.96 | 171,102 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,614 |
| Slavic Countries | 0 | - | 4.96 | 99,690 |
| African Island Countries | 0 | - | 4.96 | 88,404 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,655 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,009 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,812 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,524 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 117,906 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,198 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,419 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,682 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,367 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,170 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,266 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,779 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,619 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 87,885 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,640 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,169,034 |
| Countries of North America Quiz | 0 | - | 5.00 | 867,511 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,743 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,228 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 48,948 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.79 | 30,358 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.47 | 155,039 |
| Athletes by Country Quiz #1 | 0 | - | 4.34 | 43,922 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,570 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,107 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,178 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,793 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,835 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 83,738 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,669 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 160,982 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 205,195 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,364,856 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,339 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 100,843 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,410 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,859 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,251 |
| Monarchies of Europe | 0 | - | 4.88 | 86,096 |
| Monarchies of Asia | 0 | - | 4.95 | 53,526 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,659 |
| Countries that Start with A | 0 | - | 4.98 | 1,923,190 |
| Countries that Start with B | 0 | - | 4.96 | 2,061,792 |
| Countries that Start with C | 0 | - | 4.96 | 1,629,547 |
| Countries that Start with D | 0 | - | 4.96 | 582,293 |
| Countries that Start with E | 0 | - | 4.95 | 1,218,472 |
| Countries that Start with G | 0 | - | 4.97 | 1,337,824 |
| Countries that Start with H | 0 | - | 4.95 | 496,494 |
| Countries that Start with I | 0 | - | 4.92 | 1,149,736 |
| Countries that Start with J | 0 | - | 4.98 | 500,213 |
| Countries that Start with K | 0 | - | 4.97 | 702,665 |
| Countries that Start with L | 0 | - | 4.98 | 960,673 |
| Countries that Start with N | 0 | - | 4.92 | 987,093 |
| Countries that Start with P | 0 | - | 4.94 | 1,090,116 |
| Countries that Start with S | 0 | - | 4.98 | 1,590,391 |
| Countries that Start with T | 0 | - | 4.88 | 900,112 |
| Countries that Start with U | 0 | - | 4.96 | 813,112 |
| Countries that Start with V | 0 | - | 4.98 | 544,755 |
| Countries that Start with F | 0 | - | 4.82 | 529,838 |
| Countries that Start with M | 0 | - | 4.97 | 1,242,496 |
| The Only African Country ... | 0 | - | 4.98 | 104,445 |
| The Only American Country ... | 0 | - | 4.94 | 108,750 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,137 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,412 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,667 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,137 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,308 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,161 |
| European Countries with One Border | 0 | - | 4.96 | 148,937 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,211 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,502 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,051 |
| Boxing Countries | 0 | - | 4.23 | 29,319 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,731 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,361 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 135,978 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,326 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,669 |
| North American Sports Cities | 0 | - | 4.79 | 158,842 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 93,288 |
| World Capitals Quiz | 0 | - | 5.00 | 4,450,786 |
| Countries on the Equator | 0 | - | 4.82 | 131,556 |
| Members of the Arab League | 0 | - | 4.81 | 58,739 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,848 |
| Himalayan Countries | 0 | - | 4.95 | 102,137 |
| Andean Countries | 0 | - | 4.90 | 56,727 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,546 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,474 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,768 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,441 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,627 |
| Danube Countries | 0 | - | 4.97 | 56,311 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,330 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,547 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,159 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,663 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,047 |
| European Landlocked Countries | 0 | - | 4.99 | 114,780 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,613 |
| Countries with the Most Species | 0 | - | 4.99 | 89,052 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,685 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,397 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,767 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,663 |
| UK Immigration by Country | 0 | - | 4.95 | 123,940 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,048 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,403 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,588 |
| Countries in the Alps | 0 | - | 4.82 | 101,487 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,494 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,531 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,607 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,242 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,782 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,950 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,683 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,012 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,057 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,821 |
| Central American Countries | 0 | - | 4.98 | 137,668 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,393 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,299 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,366 |
| Total United States Immigration by Country | 0 | - | 4.89 | 95,750 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,842 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 91,724 |
| American Pacific Coast | 0 | - | 4.79 | 37,246 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,417 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,880 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,318 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,884 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,870 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,453 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 191,940 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,001 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,885 |
| Most Forested European Countries | 0 | - | 4.82 | 67,489 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 176,392 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 108,531 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,513 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,239 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,345 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 51,955 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,006,892 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,729 |
