| Countries by Sports League Revenue | 0 | - | 4.94 | 75,453 |
| Olympic Host Countries | 0 | - | 4.98 | 198,806 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,058 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,893 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,718 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,327 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,951 |
| Countries with Megacities | 0 | - | 4.99 | 246,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,774 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,321 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,725 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,796 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,089 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,385 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,556 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,227 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,617 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,758 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,020 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,924 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,375 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,757 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,772 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,791 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,427 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,528 |
| North American Sports Cities | 0 | - | 4.83 | 170,805 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,899 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,826 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,757 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,415 |
| The Only European Country ... | 0 | - | 4.91 | 213,611 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,953 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,397 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Countries of Africa | 0 | - | 5.00 | 2,505,746 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,636 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,269 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,865 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,718 |
| Boundary Waters | 0 | - | 4.92 | 88,017 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,215 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,836 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,109 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,102 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,216 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,816 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,367 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,214 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,201 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,551 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,516 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,745 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,965 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,156 |
| Countries of the Middle East | 0 | - | 4.96 | 198,781 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,188 |
| Slavic Countries | 0 | - | 4.96 | 110,800 |
| African Island Countries | 0 | - | 4.96 | 100,700 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,043 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,013 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,623 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,407 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,981 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,535 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,630 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,702 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,126 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,114 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,232 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,503 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,186 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,344 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,164 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,455 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,023 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,887 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,595 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,824 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,722 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,271 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,795 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,880 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,742 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,932 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,785 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,311 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,525 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,190 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,876,691 |
| Landlocked Countries | 0 | - | 4.99 | 413,136 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,131 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,284 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,286 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,320 |
| Monarchies of Europe | 0 | - | 4.90 | 97,250 |
| Monarchies of Asia | 0 | - | 4.97 | 70,557 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,402 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,642 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,487 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,708 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,355 |
| Countries that Start with D | 0 | - | 4.96 | 700,889 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,756 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,978 |
| Countries that Start with H | 0 | - | 4.96 | 597,395 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,630 |
| Countries that Start with J | 0 | - | 4.98 | 595,465 |
| Countries that Start with K | 0 | - | 4.96 | 808,909 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,300 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,151 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,982 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,695 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,726 |
| Countries that Start with U | 0 | - | 4.97 | 899,575 |
| Countries that Start with V | 0 | - | 4.98 | 604,757 |
| Countries that Start with F | 0 | - | 4.83 | 611,745 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,674 |
| The Only African Country ... | 0 | - | 4.99 | 128,302 |
| The Only American Country ... | 0 | - | 4.92 | 120,691 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,751 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,214 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,987 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,271 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,960 |
| European Countries with One Border | 0 | - | 4.97 | 181,515 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,152 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,049 |
| Boxing Countries | 0 | - | 4.26 | 31,217 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,126 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,098 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,512 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,391 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,878 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,898 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,136 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,009 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,373 |
| Himalayan Countries | 0 | - | 4.95 | 135,155 |
| Andean Countries | 0 | - | 4.94 | 82,724 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,144 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,075 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,817 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,510 |
| Danube Countries | 0 | - | 4.97 | 71,028 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,692 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,485 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,356 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,278 |
| European Landlocked Countries | 0 | - | 4.99 | 145,698 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,106 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,256 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,187 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,348 |
| UK Immigration by Country | 0 | - | 4.94 | 139,523 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,926 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,538 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,896 |
| Countries in the Alps | 0 | - | 4.87 | 116,741 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,507 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,154 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,968 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,362 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,095 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,956 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,506 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,711 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,841 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,007 |
| Central American Countries | 0 | - | 4.98 | 154,950 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,012 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,585 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,396 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,703 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,004 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,705 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,953 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,591 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,218 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,118 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,812 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,720 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,988 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,472 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,562 |
| Largest Countries By Category | 0 | - | 4.97 | 156,670 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,283 |
| Countries by Countries | 0 | - | 4.96 | 62,204 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,149 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,324 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,187 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,030 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,753 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,737 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,403 |
