| Countries of North America Quiz | 0 | - | 5.00 | 1,011,787 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,351 |
| The Only American Country ... | 0 | - | 4.92 | 120,765 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,010 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| Central American Countries | 0 | - | 4.98 | 155,067 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,667 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,574 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,898 |
| The Only European Country ... | 0 | - | 4.91 | 213,862 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,166 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,951 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,093 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,554 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Countries of Africa | 0 | - | 5.00 | 2,508,143 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,015 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,075 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,284 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,104 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,688 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,482 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,863 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,364 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,101 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,241 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,305 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,283 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,818 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,877 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,356 |
| Countries of the Middle East | 0 | - | 4.96 | 198,944 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,274 |
| Slavic Countries | 0 | - | 4.96 | 110,865 |
| African Island Countries | 0 | - | 4.96 | 100,797 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,500 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,722 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,126 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,721 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,773 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,170 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,295 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,584 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,284 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,427 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,259 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,999 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,287 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,241 |
| Flags of North and South America | 0 | - | 4.99 | 367,305 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,958 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,323 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,499 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,735 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,587 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,999 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,317 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,626 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,819 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,982 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,010 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,868 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,600 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,894 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,215 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,369 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,374 |
| Monarchies of Europe | 0 | - | 4.90 | 97,329 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,801 |
| The Only African Country ... | 0 | - | 4.99 | 128,369 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,782 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,256 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,046 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,405 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,057 |
| European Countries with One Border | 0 | - | 4.97 | 181,640 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,534 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,116 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,654 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,975 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,878 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,245 |
| Countries with Megacities | 0 | - | 4.99 | 246,943 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,138 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,983 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,553 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,874 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,405 |
| UK Immigration by Country | 0 | - | 4.94 | 139,653 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,559 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,383 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,576 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,279 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,866 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,480 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,268 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,368 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,257 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,809 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,779 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,462 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,219 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,256 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,124 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,495 |
| Countries That Border Russia | 0 | - | 4.98 | 458,937 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,499 |
| Countries Bordering France | 0 | - | 4.83 | 399,178 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,075 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,222 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,513 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,207 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,982 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,828 |
| Germany Country Quiz | 0 | - | 4.82 | 156,562 |
| Russia Country Quiz | 0 | - | 4.85 | 113,645 |
| Italy Country Quiz | 0 | - | 4.82 | 122,219 |
| Japan Country Quiz | 0 | - | 4.92 | 141,269 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,161 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,857 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,824 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,040 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,387 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,923 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,802 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,009 |
| States of Mexico | 0 | - | 4.95 | 173,363 |
| States of Brazil | 0 | - | 4.98 | 86,394 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,975 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,160 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,290 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,140 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,656 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,310 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,542 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,365 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,457 |
| Asia Map Quiz | 0 | - | 4.99 | 907,108 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,229 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,077 |
| Random European Capital to Country | 0 | - | 4.98 | 189,226 |
| Random European Country to Capital | 0 | - | 4.92 | 147,467 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,408 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,427 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,332 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,795 |
| Biggest British Empire Countries | 0 | - | 4.75 | 95,314 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,897 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,016 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,860 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,153 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,510 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,352 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,785 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,463 |
| Every European Country Shape | 0 | - | 4.96 | 200,198 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,717 |
| Every African Country Shape | 0 | - | 4.90 | 86,131 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,184 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,160 |
| Countries Bordering India | 0 | - | 4.98 | 162,605 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,703 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,783 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,928 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,792 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,219 |
| Countries that Border China | 0 | - | 4.96 | 261,830 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,854 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,535 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,088 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,233 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,760 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,307 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,493 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,458 |
| Countries that Border Poland | 0 | - | 4.99 | 171,364 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,942 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,709 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,284 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,538 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,320 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,382 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,513 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,808 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,897 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,972 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,758 |
