| Countries by Sports League Revenue | 0 | - | 4.95 | 77,328 |
| Olympic Host Countries | 0 | - | 4.98 | 200,726 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,418 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,019 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,128 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,218 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,442 |
| Countries with Megacities | 0 | - | 4.99 | 263,326 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,284 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,234 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,580 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,273 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,372 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,575 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,311 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,819 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,927 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,525 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,392 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,343 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,349 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,173 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,715 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,787 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,897 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,390 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,533 |
| North American Sports Cities | 0 | - | 4.83 | 172,366 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,317 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,023 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,826 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,238 |
| The Only European Country ... | 0 | - | 4.91 | 216,616 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,244 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,125 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Countries of Africa | 0 | - | 5.00 | 2,536,922 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,175 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,817 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,779 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,180 |
| Boundary Waters | 0 | - | 4.92 | 88,462 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,161 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,082 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,768 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,614 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,604 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,439 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,882 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,984 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,270 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,192 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,740 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,248 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,537 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,017 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,699 |
| Countries of the Middle East | 0 | - | 4.96 | 201,165 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,281 |
| Slavic Countries | 0 | - | 4.96 | 111,654 |
| African Island Countries | 0 | - | 4.96 | 101,631 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,957 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,118 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,891 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,513 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,505 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,975 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,658 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,731 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,607 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,223 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,204 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,575 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,231 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,148 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,993 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,260 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,680 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,208 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,815 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,218 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,142 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,172 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,366 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,870 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,839 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,318 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,823 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,423 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,264 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,737 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,586 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,452,363 |
| Landlocked Countries | 0 | - | 4.99 | 420,430 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,896 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,284 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,120 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,077 |
| Monarchies of Europe | 0 | - | 4.90 | 98,148 |
| Monarchies of Asia | 0 | - | 4.97 | 71,086 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,886 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,814 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,509 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,217 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,965 |
| Countries that Start with D | 0 | - | 4.96 | 709,531 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,095 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,207 |
| Countries that Start with H | 0 | - | 4.96 | 604,707 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,256 |
| Countries that Start with J | 0 | - | 4.98 | 602,385 |
| Countries that Start with K | 0 | - | 4.97 | 815,740 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,677 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,645 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,063 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,723 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,792 |
| Countries that Start with U | 0 | - | 4.97 | 904,468 |
| Countries that Start with V | 0 | - | 4.98 | 609,336 |
| Countries that Start with F | 0 | - | 4.83 | 617,564 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,607 |
| The Only African Country ... | 0 | - | 4.99 | 129,098 |
| The Only American Country ... | 0 | - | 4.92 | 121,602 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,123 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,776 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,853 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,517 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,999 |
| European Countries with One Border | 0 | - | 4.97 | 182,774 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,574 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,200 |
| Boxing Countries | 0 | - | 4.26 | 31,356 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,599 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,506 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,944 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,677 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,171 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,429 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,198 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,247 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,671 |
| Himalayan Countries | 0 | - | 4.95 | 138,060 |
| Andean Countries | 0 | - | 4.95 | 84,249 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,474 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,300 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,108 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,551 |
| Danube Countries | 0 | - | 4.97 | 71,823 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,774 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,222 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,954 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,396 |
| European Landlocked Countries | 0 | - | 4.99 | 146,956 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,364 |
| Countries with the Most Species | 0 | - | 4.99 | 103,081 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,526 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,497 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,657 |
| UK Immigration by Country | 0 | - | 4.94 | 140,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,438 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,499 |
| Countries in the Alps | 0 | - | 4.87 | 117,949 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,244 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,682 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,545 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,442 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,296 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,830 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,461 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,332 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,069 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,698 |
| Central American Countries | 0 | - | 4.98 | 156,458 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,561 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,417 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,640 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,063 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,983 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,254 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,342 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,359 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,509 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,174 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,684 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,228 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,597 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,802 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,129 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,644 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,102 |
| Largest Countries By Category | 0 | - | 4.97 | 157,913 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,036 |
| Countries by Countries | 0 | - | 4.97 | 63,004 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,397 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,596 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,420 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,174 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,491 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,232 |
