| Countries by Sports League Revenue | 0 | - | 4.94 | 77,032 |
| Olympic Host Countries | 0 | - | 4.98 | 200,448 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,266 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,664 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,920 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,171 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,086 |
| Countries with Megacities | 0 | - | 4.99 | 260,989 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,946 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,024 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,223 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,040 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,287 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,581 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,804 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,771 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,798 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,406 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,302 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,298 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,113 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,029 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,575 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,471 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,703 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,293 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,389 |
| North American Sports Cities | 0 | - | 4.83 | 171,803 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,263 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,628 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,659 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,911 |
| The Only European Country ... | 0 | - | 4.91 | 216,103 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,843 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,838 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,595 |
| Countries of Africa | 0 | - | 5.00 | 2,531,394 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,801 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,523 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,604 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,110 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,096 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,935 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,265 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,426 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,514 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,260 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,743 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,787 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,130 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,103 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,558 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,180 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,668 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,261 |
| Countries of the Middle East | 0 | - | 4.96 | 200,827 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,059 |
| Slavic Countries | 0 | - | 4.96 | 111,519 |
| African Island Countries | 0 | - | 4.96 | 101,472 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,810 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,943 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,327 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,248 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,725 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,475 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,574 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,532 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,118 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,019 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,434 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,056 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,003 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,846 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,125 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,691 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,023 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,774 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,145 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,729 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,104 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,352 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,515 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,566 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,083 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,669 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,364 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,071 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,611 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,333 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,348,907 |
| Landlocked Countries | 0 | - | 4.99 | 419,168 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,764 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,099 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,971 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,961 |
| Monarchies of Europe | 0 | - | 4.90 | 97,988 |
| Monarchies of Asia | 0 | - | 4.97 | 71,002 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,792 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,410 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,467 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,429 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,642 |
| Countries that Start with D | 0 | - | 4.96 | 707,924 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,204 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,878 |
| Countries that Start with H | 0 | - | 4.96 | 603,362 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,447 |
| Countries that Start with J | 0 | - | 4.98 | 601,184 |
| Countries that Start with K | 0 | - | 4.97 | 814,515 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,189 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,150 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,637 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,746 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,686 |
| Countries that Start with U | 0 | - | 4.97 | 903,530 |
| Countries that Start with V | 0 | - | 4.98 | 608,569 |
| Countries that Start with F | 0 | - | 4.83 | 616,500 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,940 |
| The Only African Country ... | 0 | - | 4.99 | 128,977 |
| The Only American Country ... | 0 | - | 4.92 | 121,439 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,073 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,683 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,710 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,300 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,812 |
| European Countries with One Border | 0 | - | 4.97 | 182,555 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,365 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,034 |
| Boxing Countries | 0 | - | 4.26 | 31,331 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,510 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,433 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,705 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,539 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,942 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,343 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,986 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,927 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,077 |
| Himalayan Countries | 0 | - | 4.95 | 137,514 |
| Andean Countries | 0 | - | 4.95 | 83,985 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,256 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,730 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,877 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,377 |
| Danube Countries | 0 | - | 4.97 | 71,688 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,594 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,083 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,689 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,762 |
| European Landlocked Countries | 0 | - | 4.99 | 146,799 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,165 |
| Countries with the Most Species | 0 | - | 4.99 | 102,934 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,303 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| UK Immigration by Country | 0 | - | 4.94 | 140,728 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,320 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,003 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,384 |
| Countries in the Alps | 0 | - | 4.87 | 117,717 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,158 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,406 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,434 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,020 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,728 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,304 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,208 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,977 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,572 |
| Central American Countries | 0 | - | 4.98 | 155,936 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,496 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,348 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,364 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,947 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,785 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,209 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,205 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,227 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,230 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,080 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,583 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,069 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,489 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,557 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,474 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,270 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,012 |
| Largest Countries By Category | 0 | - | 4.97 | 157,670 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,361 |
| Countries by Countries | 0 | - | 4.96 | 62,856 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,098 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,430 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 132,842 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,997 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,346 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,143 |
