| Countries by Sports League Revenue | 0 | - | 4.94 | 75,496 |
| Olympic Host Countries | 0 | - | 4.98 | 198,828 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,215 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,938 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,737 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,461 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,803 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,992 |
| Countries with Megacities | 0 | - | 4.99 | 246,513 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,909 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,793 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,364 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,431 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,455 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,253 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,629 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,777 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,031 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,941 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,392 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,773 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,820 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,823 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,538 |
| North American Sports Cities | 0 | - | 4.83 | 170,844 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,904 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,879 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,455 |
| The Only European Country ... | 0 | - | 4.91 | 213,691 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,015 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,445 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,177 |
| Countries of Africa | 0 | - | 5.00 | 2,506,384 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,684 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,314 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,876 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,724 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,921 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,140 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,111 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,257 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,852 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,355 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,534 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,397 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,235 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,217 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,561 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,528 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,762 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,159 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,024 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,362 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,215 |
| Countries of the Middle East | 0 | - | 4.96 | 198,824 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,210 |
| Slavic Countries | 0 | - | 4.96 | 110,815 |
| African Island Countries | 0 | - | 4.96 | 100,734 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,478 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,066 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,037 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,179 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,659 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,435 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,024 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,566 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,666 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,721 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,132 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,253 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,530 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,209 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,369 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,196 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,471 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,731 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,237 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,834 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,920 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,782 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,948 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,799 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,336 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,834 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,907 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,549 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,236 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,149 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,306 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,335 |
| Monarchies of Europe | 0 | - | 4.90 | 97,275 |
| Monarchies of Asia | 0 | - | 4.97 | 70,577 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,416 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,271 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,688 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,923 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,097 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,696 |
| Countries that Start with D | 0 | - | 4.96 | 701,118 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,996 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,226 |
| Countries that Start with H | 0 | - | 4.96 | 597,584 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,864 |
| Countries that Start with J | 0 | - | 4.98 | 595,651 |
| Countries that Start with K | 0 | - | 4.96 | 809,072 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,492 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,348 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,189 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,001 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,923 |
| Countries that Start with U | 0 | - | 4.97 | 899,705 |
| Countries that Start with V | 0 | - | 4.98 | 604,871 |
| Countries that Start with F | 0 | - | 4.83 | 611,895 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,888 |
| The Only African Country ... | 0 | - | 4.99 | 128,319 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,758 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,227 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,005 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,307 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,984 |
| European Countries with One Border | 0 | - | 4.97 | 181,556 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,405 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,064 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,890,877 |
| Boxing Countries | 0 | - | 4.26 | 31,220 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,423 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,926 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,175 |
| Landlocked Countries | 0 | - | 4.99 | 413,278 |
| UK Immigration by Country | 0 | - | 4.94 | 139,545 |
| Central American Countries | 0 | - | 4.98 | 154,984 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,612 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,728 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,167 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,830 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,640 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,179 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,333 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,197 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,047 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,768 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,422 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,759 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,445 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,177 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,205 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,084 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,478 |
| Countries That Border Russia | 0 | - | 4.98 | 458,779 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,448 |
| Countries Bordering France | 0 | - | 4.85 | 398,471 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,912 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,192 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,462 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,168 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,963 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,570 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,011 |
| Germany Country Quiz | 0 | - | 4.82 | 156,477 |
| Russia Country Quiz | 0 | - | 4.85 | 113,604 |
| Italy Country Quiz | 0 | - | 4.82 | 122,144 |
| Japan Country Quiz | 0 | - | 4.92 | 141,185 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,076 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,826 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,805 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,018 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,022 |
| Syria Country Quiz | 0 | - | 4.81 | 32,280 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,472 |
| Palau Country Quiz | 0 | - | 4.89 | 22,827 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,135 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,108 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,547 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,899 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,147 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,989 |
| Random European Capital to Country | 0 | - | 4.98 | 189,138 |
| Random European Country to Capital | 0 | - | 4.92 | 147,391 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,332 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,363 |
| Random African Country to Capital | 0 | - | 4.94 | 70,196 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,430 |
| Himalayan Countries | 0 | - | 4.95 | 135,215 |
| Andean Countries | 0 | - | 4.94 | 82,757 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,166 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,109 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,834 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,543 |
