| Countries of the Soviet Union | 0 | - | 4.98 | 194,249 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,987 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,926 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,061 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,721 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,949 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,924 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,458 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,483 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,746 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,215 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,388 |
| Random European Capital to Country | 0 | - | 4.98 | 190,168 |
| Random European Country to Capital | 0 | - | 4.93 | 159,749 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,464 |
| Every European Country Shape | 0 | - | 4.96 | 200,908 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,012 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,238 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,051 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,867 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,323 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,390 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,527 |
| The Only European Country ... | 0 | - | 4.91 | 215,305 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,212 |
| Vietnam War Countries | 0 | - | 4.83 | 93,925 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,419 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,487 |
| Countries of Africa | 0 | - | 5.00 | 2,522,888 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,865 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,905 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,962 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,089 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,883 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,119 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,644 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,263 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,445 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,991 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,845 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,799 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 89,531 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,955 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,211 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,566 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,631 |
| Countries of the Middle East | 0 | - | 4.96 | 199,963 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,794 |
| Slavic Countries | 0 | - | 4.96 | 111,297 |
| African Island Countries | 0 | - | 4.96 | 101,209 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,673 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,378 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,031 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,816 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,302 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,200 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,280 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,423 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,558 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,746 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,944 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,728 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,767 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,624 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,871 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,868 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,701 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,540 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,394 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,053 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,357 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,717 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,563 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,803 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,830 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,762 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,765 |
| Monarchies of Europe | 0 | - | 4.90 | 97,736 |
| Monarchies of Asia | 0 | - | 4.97 | 70,859 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,658 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,793 |
| The Only African Country ... | 0 | - | 4.99 | 128,742 |
| The Only American Country ... | 0 | - | 4.92 | 121,208 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,946 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,497 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,469 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,985 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,549 |
| Countries That Border Russia | 0 | - | 4.98 | 460,477 |
| European Countries with One Border | 0 | - | 4.97 | 182,185 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,052 |
| Countries Bordering France | 0 | - | 4.83 | 401,266 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,101 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,756 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,538 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,908 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,993 |
| UK Immigration by Country | 0 | - | 4.94 | 140,423 |
| Central American Countries | 0 | - | 4.98 | 155,577 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,101 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,949 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,476 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,136 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,223 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,310 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,167 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,813 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,877 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,500 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,140 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,994 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,775 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,653 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,528 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,547 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,108 |
| Every African Country Shape | 0 | - | 4.90 | 86,699 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,676 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,551 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,705 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,210 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,556 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,845 |
| Countries Bordering India | 0 | - | 4.98 | 163,223 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,957 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,052 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,038 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,764 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,035 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,359 |
| Countries that Border China | 0 | - | 4.96 | 262,573 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,106 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,701 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,314 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,415 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,100 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,379 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,833 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,659 |
| Countries that Border Poland | 0 | - | 4.99 | 171,832 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,062 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,315 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,408 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,200 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,934 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,797 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,697 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,193 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,712 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,431 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,614 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,290 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,583 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,180 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,585 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,725 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,993 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,252 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,275 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,776 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,881 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,720 |
| Countries Closest to India | 0 | - | 4.97 | 102,489 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,262 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,026 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,736 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,442 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,439 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,542 |
| Germany Country Quiz | 0 | - | 4.82 | 157,252 |
| Russia Country Quiz | 0 | - | 4.85 | 114,088 |
| Italy Country Quiz | 0 | - | 4.82 | 122,744 |
| Japan Country Quiz | 0 | - | 4.93 | 141,975 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,040 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,128 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,209 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,372 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,281 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,048 |
| Hindu Countries | 0 | - | 4.86 | 49,864 |
| Random European Flag to Country | 0 | - | 4.89 | 181,625 |
| Random African Flag to Country | 0 | - | 4.88 | 74,543 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,713 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,411 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,289 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,982 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,887 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,685 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,319 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,163 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,420 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,851 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,794 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,198 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,785 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,116 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,410 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,214 |
| Countries that Beat China | 0 | - | 4.86 | 115,243 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,282 |
