| Olympic Host Countries | 0 | - | 4.98 | 199,436 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,163 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,116 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,947 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,026 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,694 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,875 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,669 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,825 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,582 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,554 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,916 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,176 |
| Countries with Megacities | 0 | - | 4.99 | 248,743 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,040 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,492 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,413 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,442 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,405 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,712 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,912 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,648 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,544 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,042 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,141 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,318 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,250 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,830 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,285 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,056 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,061 |
| North American Sports Cities | 0 | - | 4.83 | 171,340 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,818 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,217 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,229 |
| The Only European Country ... | 0 | - | 4.91 | 214,989 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,982 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,231 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,439 |
| Countries of Africa | 0 | - | 5.00 | 2,519,818 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,007 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,310 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,948 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,229 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,137 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,735 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,312 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,806 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,311 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,691 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,874 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,932 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,636 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,509 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,869 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,743 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,998 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,505 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,126 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,273 |
| Countries of the Middle East | 0 | - | 4.96 | 199,763 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,684 |
| Slavic Countries | 0 | - | 4.96 | 111,199 |
| African Island Countries | 0 | - | 4.96 | 101,111 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,407 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,659 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,471 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,528 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,698 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,252 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,933 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,688 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,152 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,097 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,192 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,381 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,483 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,669 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,856 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,634 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,702 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,552 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,805 |
| Boundary Waters | 0 | - | 4.92 | 88,204 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,944 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,617 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,652 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,553 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,407 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,315 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,690 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,998 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,763 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,994 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,131 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,878 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,738 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,498 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,733 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,706 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,713 |
| Monarchies of Europe | 0 | - | 4.90 | 97,665 |
| Monarchies of Asia | 0 | - | 4.97 | 70,807 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,605 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,318 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,572 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,093 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,424 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,764 |
| Countries that Start with D | 0 | - | 4.96 | 704,606 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,162 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,705 |
| Countries that Start with H | 0 | - | 4.96 | 600,505 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,256 |
| Countries that Start with J | 0 | - | 4.98 | 598,536 |
| Countries that Start with K | 0 | - | 4.97 | 811,722 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,764 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,736 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,576 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,408 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,358 |
| Countries that Start with U | 0 | - | 4.97 | 901,677 |
| Countries that Start with V | 0 | - | 4.98 | 606,721 |
| Countries that Start with F | 0 | - | 4.83 | 614,286 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,527 |
| The Only African Country ... | 0 | - | 4.98 | 128,679 |
| The Only American Country ... | 0 | - | 4.92 | 121,136 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,905 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,433 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,308 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,863 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,448 |
| European Countries with One Border | 0 | - | 4.97 | 182,068 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,931 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,687 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,135,862 |
| Boxing Countries | 0 | - | 4.26 | 31,272 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,194 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,145 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,643 |
| Landlocked Countries | 0 | - | 4.99 | 416,306 |
| UK Immigration by Country | 0 | - | 4.94 | 140,057 |
| Central American Countries | 0 | - | 4.98 | 155,477 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,983 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,383 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,134 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,651 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,144 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,121 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,997 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,730 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,052 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,419 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,072 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,956 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,713 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,967 |
| The Only Remaining Asian Country . . . | 0 | - | 4.63 | 45,586 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,483 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,590 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,449 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,668 |
| Countries That Border Russia | 0 | - | 4.98 | 460,197 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,696 |
| Countries Bordering France | 0 | - | 4.83 | 400,996 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,906 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,367 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,736 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,526 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,138 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,475 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,430 |
| Germany Country Quiz | 0 | - | 4.82 | 157,120 |
| Russia Country Quiz | 0 | - | 4.85 | 114,007 |
| Italy Country Quiz | 0 | - | 4.82 | 122,628 |
| Japan Country Quiz | 0 | - | 4.92 | 141,847 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,854 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,063 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,910 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,179 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,356 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,220 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,519 |
| Syria Country Quiz | 0 | - | 4.81 | 32,520 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,427 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,632 |
| Palau Country Quiz | 0 | - | 4.90 | 22,909 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,347 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,297 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,236 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,497 |
| World Capitals Quiz | 0 | - | 5.00 | 5,048,222 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,271 |
| Random European Capital to Country | 0 | - | 4.98 | 189,723 |
| Random European Country to Capital | 0 | - | 4.92 | 147,814 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,622 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,752 |
| Random African Country to Capital | 0 | - | 4.94 | 70,497 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,773 |
| Himalayan Countries | 0 | - | 4.95 | 136,366 |
