| Olympic Host Countries | 0 | - | 4.98 | 199,430 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,818 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,158 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,111 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,946 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,912 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,024 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,666 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,870 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,664 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,569 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,525 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,167 |
| Countries with Megacities | 0 | - | 4.99 | 248,716 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,031 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,485 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,402 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,437 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,910 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,352 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,698 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,647 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,541 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,041 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,141 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,315 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,249 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,825 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,280 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,055 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,057 |
| North American Sports Cities | 0 | - | 4.83 | 171,339 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,806 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,209 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,218 |
| The Only European Country ... | 0 | - | 4.91 | 214,969 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,972 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,222 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,436 |
| Countries of Africa | 0 | - | 5.00 | 2,519,601 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,005 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,305 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,941 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,121 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,726 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,312 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,801 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,307 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,686 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,865 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,925 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,507 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,868 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,742 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,996 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,504 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,090 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,263 |
| Countries of the Middle East | 0 | - | 4.96 | 199,752 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,679 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,228 |
| Slavic Countries | 0 | - | 4.96 | 111,193 |
| African Island Countries | 0 | - | 4.96 | 101,107 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,407 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,656 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,465 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,520 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,608 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,243 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,925 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,681 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,144 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,088 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,187 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,375 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,480 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,663 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,850 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,633 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,698 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,549 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,795 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,643 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,546 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,405 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,308 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,689 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,996 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,758 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,994 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,129 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,874 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,729 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,492 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,732 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,705 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,712 |
| Monarchies of Europe | 0 | - | 4.90 | 97,661 |
| Monarchies of Asia | 0 | - | 4.97 | 70,805 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,603 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,315 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,564 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,000 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,328 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,692 |
| Countries that Start with D | 0 | - | 4.96 | 704,567 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,094 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,631 |
| Countries that Start with H | 0 | - | 4.96 | 600,459 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,207 |
| Countries that Start with J | 0 | - | 4.98 | 598,492 |
| Countries that Start with K | 0 | - | 4.97 | 811,687 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,725 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,685 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,526 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,340 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,320 |
| Countries that Start with U | 0 | - | 4.97 | 901,649 |
| Countries that Start with V | 0 | - | 4.98 | 606,651 |
| Countries that Start with F | 0 | - | 4.83 | 614,246 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,470 |
| The Only African Country ... | 0 | - | 4.98 | 128,676 |
| The Only American Country ... | 0 | - | 4.92 | 121,135 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,902 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,428 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,304 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,856 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,446 |
| European Countries with One Border | 0 | - | 4.97 | 182,064 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,929 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,684 |
| Boundary Waters | 0 | - | 4.92 | 88,203 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,943 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,611 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,143 |
| UK Immigration by Country | 0 | - | 4.94 | 140,052 |
| Boxing Countries | 0 | - | 4.26 | 31,272 |
| Central American Countries | 0 | - | 4.98 | 155,475 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,975 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,380 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,643 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,135 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,096 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,989 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,727 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 118,992 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,412 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,068 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,954 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,711 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,482 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,572 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,447 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,668 |
| Countries That Border Russia | 0 | - | 4.98 | 460,190 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,693 |
| Countries Bordering France | 0 | - | 4.83 | 400,976 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,893 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,365 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,731 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,522 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,137 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,438 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,426 |
| Germany Country Quiz | 0 | - | 4.82 | 157,114 |
| Russia Country Quiz | 0 | - | 4.85 | 114,000 |
| Italy Country Quiz | 0 | - | 4.82 | 122,622 |
| Japan Country Quiz | 0 | - | 4.92 | 141,844 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,844 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,057 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,909 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,175 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,214 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,514 |
| Syria Country Quiz | 0 | - | 4.81 | 32,516 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,630 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,184 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,640 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,132,649 |
| Landlocked Countries | 0 | - | 4.99 | 416,255 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,134 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,965 |
| The Only Remaining Asian Country . . . | 0 | - | 4.63 | 45,583 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,354 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,426 |
| Palau Country Quiz | 0 | - | 4.90 | 22,907 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,297 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,935 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,270 |
| Random European Capital to Country | 0 | - | 4.98 | 189,714 |
| Random European Country to Capital | 0 | - | 4.92 | 147,812 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,619 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,749 |
| Random African Country to Capital | 0 | - | 4.94 | 70,488 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,916 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,063 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,181 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,279 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,421 |
