| Countries by Sports League Revenue | 0 | - | 4.94 | 75,568 |
| Olympic Host Countries | 0 | - | 4.98 | 198,897 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,550 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,018 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,797 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,925 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,201 |
| Countries with Megacities | 0 | - | 4.99 | 246,891 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,111 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,962 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,520 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,851 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,826 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,049 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,631 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,567 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,283 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,651 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,811 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,046 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,970 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,429 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,841 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,934 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,885 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,485 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,606 |
| North American Sports Cities | 0 | - | 4.83 | 170,907 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,918 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,998 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,816 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,564 |
| The Only European Country ... | 0 | - | 4.91 | 213,839 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,150 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,540 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Countries of Africa | 0 | - | 5.00 | 2,507,923 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,792 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,395 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,917 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,750 |
| Boundary Waters | 0 | - | 4.92 | 88,042 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,816 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,285 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,084 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,231 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,144 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,336 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,933 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,474 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,295 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,811 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,132 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,335 |
| Countries of the Middle East | 0 | - | 4.96 | 198,929 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,268 |
| Slavic Countries | 0 | - | 4.96 | 110,860 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,117 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,098 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,492 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,113 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,630 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,764 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,165 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,578 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,277 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,416 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,247 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,508 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,802 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,671 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,610 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,848 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,746 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,278 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,961 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,855 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,992 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,401 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,596 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,289 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,918,715 |
| Landlocked Countries | 0 | - | 4.99 | 413,600 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,201 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,368 |
| Monarchies of Europe | 0 | - | 4.90 | 97,315 |
| Monarchies of Asia | 0 | - | 4.97 | 70,604 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,776 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,772 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,849 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,293 |
| Countries that Start with D | 0 | - | 4.96 | 701,522 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,490 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,757 |
| Countries that Start with H | 0 | - | 4.96 | 597,950 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,254 |
| Countries that Start with J | 0 | - | 4.98 | 596,014 |
| Countries that Start with K | 0 | - | 4.97 | 809,391 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,863 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,714 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,531 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,499 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,201 |
| Countries that Start with U | 0 | - | 4.97 | 899,913 |
| Countries that Start with V | 0 | - | 4.98 | 605,088 |
| Countries that Start with F | 0 | - | 4.83 | 612,176 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,320 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,779 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,045 |
| European Countries with One Border | 0 | - | 4.97 | 181,629 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,522 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,111 |
| Boxing Countries | 0 | - | 4.26 | 31,224 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,130 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,619 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,455 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,985 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,952 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,233 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,369 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,579 |
| Himalayan Countries | 0 | - | 4.95 | 135,345 |
| Andean Countries | 0 | - | 4.94 | 82,822 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,208 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,205 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,896 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,606 |
| Danube Countries | 0 | - | 4.97 | 71,080 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,763 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,538 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,477 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,393 |
| European Landlocked Countries | 0 | - | 4.99 | 145,751 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,211 |
| Countries with the Most Species | 0 | - | 4.99 | 95,241 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,337 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,369 |
| UK Immigration by Country | 0 | - | 4.94 | 139,643 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,951 |
| Countries in the Alps | 0 | - | 4.86 | 116,820 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,561 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,252 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,004 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,418 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,158 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,002 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,574 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,745 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,288 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,047 |
| Central American Countries | 0 | - | 4.98 | 155,055 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,041 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,453 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,878 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,015 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,747 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,751 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,059 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,639 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,270 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,863 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,768 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,282 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,671 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,600 |
| Largest Countries By Category | 0 | - | 4.97 | 156,757 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,921 |
| Countries by Countries | 0 | - | 4.96 | 62,255 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,262 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,364 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,251 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,798 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,777 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,452 |
