| Countries by Sports League Revenue | 0 | - | 4.94 | 78,563 |
| Olympic Host Countries | 0 | - | 4.98 | 201,986 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,036 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,186 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,185 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,552 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,204 |
| Countries with Megacities | 0 | - | 4.99 | 267,198 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,883 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,157 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,203 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,268 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,714 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,341 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,542 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,077 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,374 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,991 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,820 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,531 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,416 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,650 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,335 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,086 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,680 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,914 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,227 |
| North American Sports Cities | 0 | - | 4.82 | 173,176 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,562 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,833 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,913 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,164 |
| The Only European Country ... | 0 | - | 4.91 | 219,075 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,981 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,546 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,930 |
| Countries of Africa | 0 | - | 5.00 | 2,560,381 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,333 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,869 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,569 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,502 |
| Boundary Waters | 0 | - | 4.92 | 88,772 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,714 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,153 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,424 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,919 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,371 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,691 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,835 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,904 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,542 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,206 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,520 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,864 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,518 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,834 |
| Countries of the Middle East | 0 | - | 4.96 | 202,977 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,197 |
| Slavic Countries | 0 | - | 4.96 | 112,381 |
| African Island Countries | 0 | - | 4.96 | 102,480 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,679 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,945 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,836 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,331 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,645 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,461 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,535 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,544 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,976 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,819 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,074 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,765 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,317 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,931 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,172 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 36,083 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,786 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,694 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,982 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,501 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,688 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,117 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,583 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,445 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,510 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,110 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,781 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,898 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,872 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,998 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,255 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,930 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,889,863 |
| Landlocked Countries | 0 | - | 4.99 | 426,027 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,119 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,681 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,524 |
| Monarchies of Europe | 0 | - | 4.90 | 98,886 |
| Monarchies of Asia | 0 | - | 4.97 | 71,513 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,292 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,546 |
| Countries that Start with A | 0 | - | 4.98 | 2,175,985 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,696 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,643 |
| Countries that Start with D | 0 | - | 4.96 | 716,548 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,238 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,685 |
| Countries that Start with H | 0 | - | 4.96 | 609,671 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,693 |
| Countries that Start with J | 0 | - | 4.98 | 607,066 |
| Countries that Start with K | 0 | - | 4.97 | 820,853 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,942 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,991 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,138 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,305 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,008 |
| Countries that Start with U | 0 | - | 4.97 | 908,553 |
| Countries that Start with V | 0 | - | 4.98 | 612,061 |
| Countries that Start with F | 0 | - | 4.83 | 621,358 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,393 |
| The Only African Country ... | 0 | - | 4.99 | 129,675 |
| The Only American Country ... | 0 | - | 4.92 | 122,224 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,382 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,322 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,822 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,529 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,872 |
| European Countries with One Border | 0 | - | 4.97 | 183,816 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,556 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,843 |
| Boxing Countries | 0 | - | 4.27 | 31,480 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,933 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,770 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,009 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,139 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,023 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,800 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,863 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,981 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,351 |
| Himalayan Countries | 0 | - | 4.93 | 140,315 |
| Andean Countries | 0 | - | 4.94 | 85,503 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,648 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,054 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,225 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,460 |
| Danube Countries | 0 | - | 4.97 | 72,418 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,616 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,857 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,160 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,641 |
| European Landlocked Countries | 0 | - | 4.99 | 147,621 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,328 |
| Countries with the Most Species | 0 | - | 4.99 | 103,575 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,430 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,782 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| UK Immigration by Country | 0 | - | 4.94 | 141,735 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,850 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,029 |
| Countries in the Alps | 0 | - | 4.87 | 118,799 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,673 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,898 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,973 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,037 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,976 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,425 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,879 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,437 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,192 |
| Central American Countries | 0 | - | 4.98 | 157,364 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,611 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,753 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,432 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,572 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,935 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,385 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,813 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,905 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,889 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,629 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,830 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,998 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,110 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,694 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,781 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,191 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,520 |
| Largest Countries By Category | 0 | - | 4.97 | 158,886 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,735 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,348 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,344 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,849 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,052 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,585 |