| Countries by Sports League Revenue | 0 | - | 4.95 | 78,832 |
| Olympic Host Countries | 0 | - | 4.98 | 202,279 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,261 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,714 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,401 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,809 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,561 |
| Countries with Megacities | 0 | - | 4.99 | 267,996 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,213 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,370 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,544 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,474 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,776 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,396 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,057 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,148 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,472 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,081 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,893 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,569 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,700 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,764 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,484 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,567 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,847 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,023 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,389 |
| North American Sports Cities | 0 | - | 4.82 | 173,321 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,612 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,283 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,275 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,527 |
| The Only European Country ... | 0 | - | 4.91 | 219,650 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,395 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,865 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,999 |
| Countries of Africa | 0 | - | 5.00 | 2,565,365 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,528 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,079 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,722 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,586 |
| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,473 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,713 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,657 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,606 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,884 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,063 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,034 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,628 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,294 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,936 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,852 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,322 |
| Countries of the Middle East | 0 | - | 4.96 | 203,309 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,394 |
| Slavic Countries | 0 | - | 4.96 | 112,525 |
| African Island Countries | 0 | - | 4.96 | 102,755 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,847 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,416 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,048 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,508 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,996 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,200 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,805 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,750 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,997 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,562 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,086 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,725 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,094 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,344 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,680 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,362 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,610 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,026 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,553 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,812 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,269 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,658 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,468 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,322 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,975 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,493 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,360 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,118 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,993 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,134 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,388 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,181 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,986,205 |
| Landlocked Countries | 0 | - | 4.99 | 427,454 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,596 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,319 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,791 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,630 |
| Monarchies of Europe | 0 | - | 4.90 | 99,050 |
| Monarchies of Asia | 0 | - | 4.97 | 71,621 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,368 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,873 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,899 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,512 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,803 |
| Countries that Start with D | 0 | - | 4.96 | 718,078 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,004 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,589 |
| Countries that Start with H | 0 | - | 4.96 | 610,748 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,141 |
| Countries that Start with J | 0 | - | 4.98 | 608,116 |
| Countries that Start with K | 0 | - | 4.97 | 821,954 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,329 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,436 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,548 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,197 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,092 |
| Countries that Start with U | 0 | - | 4.97 | 909,376 |
| Countries that Start with V | 0 | - | 4.98 | 612,664 |
| Countries that Start with F | 0 | - | 4.83 | 622,183 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,878 |
| The Only African Country ... | 0 | - | 4.99 | 129,813 |
| The Only American Country ... | 0 | - | 4.92 | 122,362 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,456 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,571 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,008 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,754 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,092 |
| European Countries with One Border | 0 | - | 4.97 | 184,050 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,771 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,005 |
| Boxing Countries | 0 | - | 4.27 | 31,508 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,000 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,823 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,265 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,879 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,003 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,247 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,010 |
| Himalayan Countries | 0 | - | 4.93 | 140,908 |
| Andean Countries | 0 | - | 4.94 | 85,846 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,957 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,552 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,498 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,717 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,835 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,997 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,482 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,955 |
| European Landlocked Countries | 0 | - | 4.99 | 147,797 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,567 |
| Countries with the Most Species | 0 | - | 4.99 | 103,657 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,672 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| UK Immigration by Country | 0 | - | 4.94 | 141,916 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,936 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,691 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,148 |
| Countries in the Alps | 0 | - | 4.87 | 119,007 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,055 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,196 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,076 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,195 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,154 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,407 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,623 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,013 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,522 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,328 |
| Central American Countries | 0 | - | 4.98 | 157,578 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,698 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,838 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,581 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,688 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,141 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,421 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,942 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,044 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,186 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,752 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,615 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,173 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,234 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,864 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,426 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,556 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,630 |
| Largest Countries By Category | 0 | - | 4.97 | 159,126 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,006 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,506 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,785 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,965 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,166 |
