| Countries by Sports League Revenue | 0 | - | 4.94 | 77,254 |
| Olympic Host Countries | 0 | - | 4.98 | 200,652 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,100 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,922 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,066 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,895 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,341 |
| Countries with Megacities | 0 | - | 4.99 | 262,852 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,180 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,158 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,478 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,208 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,352 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,970 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,154 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,803 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,889 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,494 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,371 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,327 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,270 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,130 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,666 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,669 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,830 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,358 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,496 |
| North American Sports Cities | 0 | - | 4.83 | 172,322 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,303 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,907 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,783 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,140 |
| The Only European Country ... | 0 | - | 4.91 | 216,468 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,134 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,038 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,635 |
| Countries of Africa | 0 | - | 5.00 | 2,535,040 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,057 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,729 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,726 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,158 |
| Boundary Waters | 0 | - | 4.92 | 88,446 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,134 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,035 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,627 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,554 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,579 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,384 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,841 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,910 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,219 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,164 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,698 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,230 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,520 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,926 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,566 |
| Countries of the Middle East | 0 | - | 4.96 | 201,061 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,210 |
| Slavic Countries | 0 | - | 4.96 | 111,611 |
| African Island Countries | 0 | - | 4.96 | 101,581 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,902 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,056 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,821 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,454 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,432 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,896 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,617 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,689 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,588 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,191 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,154 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,543 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,185 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,112 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,951 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,227 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,101 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,515 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,801 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,198 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,041 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,152 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,363 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,780 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,762 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,239 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,780 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,408 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,201 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,693 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,510 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,419,760 |
| Landlocked Countries | 0 | - | 4.99 | 419,968 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,855 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,237 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,069 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,049 |
| Monarchies of Europe | 0 | - | 4.90 | 98,095 |
| Monarchies of Asia | 0 | - | 4.97 | 71,067 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,857 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,739 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,547 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,277 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,164 |
| Countries that Start with D | 0 | - | 4.96 | 709,004 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,477 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,531 |
| Countries that Start with H | 0 | - | 4.96 | 604,291 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,490 |
| Countries that Start with J | 0 | - | 4.98 | 602,010 |
| Countries that Start with K | 0 | - | 4.97 | 815,330 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,168 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,154 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,609 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,055 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,407 |
| Countries that Start with U | 0 | - | 4.97 | 904,159 |
| Countries that Start with V | 0 | - | 4.98 | 609,100 |
| Countries that Start with F | 0 | - | 4.83 | 617,235 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,033 |
| The Only African Country ... | 0 | - | 4.99 | 129,068 |
| The Only American Country ... | 0 | - | 4.92 | 121,552 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,110 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,754 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,799 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,452 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,939 |
| European Countries with One Border | 0 | - | 4.97 | 182,715 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,514 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,158 |
| Boxing Countries | 0 | - | 4.26 | 31,350 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,565 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,489 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,882 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,639 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,084 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,398 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,132 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,526 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,459 |
| Himalayan Countries | 0 | - | 4.95 | 137,888 |
| Andean Countries | 0 | - | 4.95 | 84,154 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,372 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,942 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,020 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,473 |
| Danube Countries | 0 | - | 4.97 | 71,767 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,704 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,164 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,855 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,938 |
| European Landlocked Countries | 0 | - | 4.99 | 146,898 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,287 |
| Countries with the Most Species | 0 | - | 4.99 | 103,038 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,440 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,468 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,636 |
| UK Immigration by Country | 0 | - | 4.94 | 140,845 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,398 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,077 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,466 |
| Countries in the Alps | 0 | - | 4.87 | 117,880 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 96,823 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,598 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,502 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,383 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,242 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,800 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,404 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,281 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,041 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,647 |
| Central American Countries | 0 | - | 4.98 | 156,398 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,543 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,387 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,577 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,013 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,930 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,239 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,302 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,308 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,433 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,137 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,640 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,178 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,569 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,710 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,923 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,523 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,063 |
| Largest Countries By Category | 0 | - | 4.97 | 157,840 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,826 |
| Countries by Countries | 0 | - | 4.97 | 62,951 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,309 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,541 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 134,058 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,126 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,439 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,210 |