| Countries by Sports League Revenue | 0 | - | 4.94 | 76,179 |
| Olympic Host Countries | 0 | - | 4.98 | 199,498 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,979 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,674 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,213 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,876 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,290 |
| Countries with Megacities | 0 | - | 4.99 | 248,973 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,142 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,555 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,492 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,509 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,959 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,002 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,858 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,657 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,568 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,904 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,075 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,150 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,379 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,706 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,274 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,905 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,332 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,087 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,089 |
| North American Sports Cities | 0 | - | 4.83 | 171,383 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,036 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,944 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,267 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,321 |
| The Only European Country ... | 0 | - | 4.91 | 215,151 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,086 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,330 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,468 |
| Countries of Africa | 0 | - | 5.00 | 2,521,539 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,363 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,015 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,268 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,936 |
| Boundary Waters | 0 | - | 4.92 | 88,232 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,969 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,656 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,304 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,800 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,338 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,863 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,363 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,979 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,683 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,553 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 84,664 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,784 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,038 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,939 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,444 |
| Countries of the Middle East | 0 | - | 4.96 | 199,865 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,743 |
| Slavic Countries | 0 | - | 4.96 | 111,259 |
| African Island Countries | 0 | - | 4.96 | 101,165 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,511 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,587 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,313 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,978 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,760 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,231 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,158 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,233 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,403 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,525 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,706 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,900 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,687 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,735 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,586 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,844 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,514 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,311 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,701 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,012 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,929 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,323 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,759 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,622 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,474 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,360 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,025 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,804 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,951 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,812 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,166,756 |
| Landlocked Countries | 0 | - | 4.99 | 416,693 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,537 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,784 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,730 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,745 |
| Monarchies of Europe | 0 | - | 4.90 | 97,703 |
| Monarchies of Asia | 0 | - | 4.97 | 70,833 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,632 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,658 |
| Countries that Start with A | 0 | - | 4.98 | 2,154,007 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,249 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,467 |
| Countries that Start with D | 0 | - | 4.96 | 705,044 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,744 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,264 |
| Countries that Start with H | 0 | - | 4.96 | 600,890 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,706 |
| Countries that Start with J | 0 | - | 4.98 | 598,878 |
| Countries that Start with K | 0 | - | 4.97 | 812,066 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,182 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,153 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,988 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,060 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,715 |
| Countries that Start with U | 0 | - | 4.97 | 901,941 |
| Countries that Start with V | 0 | - | 4.98 | 607,140 |
| Countries that Start with F | 0 | - | 4.83 | 614,606 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,998 |
| The Only African Country ... | 0 | - | 4.99 | 128,705 |
| The Only American Country ... | 0 | - | 4.92 | 121,171 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,468 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,415 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,928 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,505 |
| European Countries with One Border | 0 | - | 4.97 | 182,124 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,988 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,726 |
| Boxing Countries | 0 | - | 4.26 | 31,277 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,372 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,320 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,283 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,263 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,544 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,170 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,675 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,841 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,957 |
| Himalayan Countries | 0 | - | 4.95 | 136,521 |
| Andean Countries | 0 | - | 4.95 | 83,498 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,762 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,012 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,432 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,032 |
| Danube Countries | 0 | - | 4.97 | 71,436 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,220 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,852 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,165 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,139 |
| European Landlocked Countries | 0 | - | 4.99 | 146,131 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,769 |
| Countries with the Most Species | 0 | - | 4.99 | 101,671 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,904 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,330 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,511 |
| UK Immigration by Country | 0 | - | 4.94 | 140,360 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,162 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,192 |
| Countries in the Alps | 0 | - | 4.86 | 117,333 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,911 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,900 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,744 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,828 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,256 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,991 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,995 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,808 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,332 |
| Central American Countries | 0 | - | 4.98 | 155,522 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,367 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,205 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,060 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,730 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,432 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,144 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,002 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,005 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,721 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,896 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,432 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,711 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,176 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,252 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,029 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,572 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,830 |
| Largest Countries By Category | 0 | - | 4.97 | 157,261 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,287 |
| Countries by Countries | 0 | - | 4.96 | 62,594 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,086 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,772 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,513 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,466 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,108 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,976 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,744 |
