| Countries of Europe After World War II | 0 | - | 4.99 | 187,871 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,088 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,111 |
| Vietnam War Countries | 0 | - | 4.83 | 93,975 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,486 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,504 |
| Countries of the German Empire | 0 | - | 4.51 | 37,832 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,079 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,342 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,033 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,921 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,548 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,237 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,494 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,099 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,998 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,579 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,856 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,292 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,546 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,014 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,134 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,846 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,462 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,201 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,034 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,256 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,443 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,590 |
| The Only European Country ... | 0 | - | 4.91 | 215,631 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,459 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,554 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,980 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,528 |
| Countries of Africa | 0 | - | 5.00 | 2,525,985 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,040 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,335 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,731 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,174 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,982 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,984 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 91,830 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,081 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,351 |
| Asia Capital to Country | 0 | - | 4.96 | 126,333 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,883 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,422 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,867 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,824 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,684 |
| Countries of the Middle East | 0 | - | 4.96 | 200,505 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,872 |
| Slavic Countries | 0 | - | 4.96 | 111,378 |
| African Island Countries | 0 | - | 4.96 | 101,301 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,007 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,503 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,139 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,976 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,456 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,293 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,389 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,468 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,684 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,844 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,037 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,856 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,853 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,706 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,961 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,936 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,014 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,195 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,466 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,666 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,131 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,754 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,475 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,606 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,961 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,630 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,936 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,833 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,833 |
| Monarchies of Europe | 0 | - | 4.90 | 97,822 |
| Monarchies of Asia | 0 | - | 4.97 | 70,905 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,719 |
| The Only African Country ... | 0 | - | 4.98 | 128,824 |
| The Only American Country ... | 0 | - | 4.92 | 121,290 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,991 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,563 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,575 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,121 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,657 |
| Countries That Border Russia | 0 | - | 4.98 | 460,761 |
| European Countries with One Border | 0 | - | 4.97 | 182,331 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,168 |
| Countries Bordering France | 0 | - | 4.83 | 401,559 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,334 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,853 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,784 |
| UK Immigration by Country | 0 | - | 4.94 | 140,529 |
| Central American Countries | 0 | - | 4.98 | 155,726 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,201 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,773 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,346 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,904 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,596 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,229 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,057 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,847 |
| Arms Exports - United States | 0 | - | 4.75 | 62,162 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,619 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,751 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,640 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,753 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,818 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,459 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,860 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,644 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,677 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,219 |
| Germany Country Quiz | 0 | - | 4.82 | 157,391 |
| Russia Country Quiz | 0 | - | 4.85 | 114,160 |
| Italy Country Quiz | 0 | - | 4.82 | 122,847 |
| Japan Country Quiz | 0 | - | 4.93 | 142,075 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,203 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,168 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,973 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,248 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,009 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,935 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,933 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,457 |
| Random European Capital to Country | 0 | - | 4.98 | 190,412 |
| Random European Country to Capital | 0 | - | 4.93 | 163,570 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,992 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,642 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,080 |
| Hindu Countries | 0 | - | 4.86 | 49,933 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,212 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,285 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,351 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,907 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,778 |
| Every European Country Shape | 0 | - | 4.96 | 201,100 |
| Every African Country Shape | 0 | - | 4.90 | 86,827 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,016 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,724 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,658 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,994 |
| Countries Bordering India | 0 | - | 4.98 | 163,260 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,026 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,115 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,073 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,376 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,089 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,398 |
| Countries that Border China | 0 | - | 4.96 | 262,686 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,164 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,742 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,360 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,458 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,167 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,703 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,892 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,707 |
| Countries that Border Poland | 0 | - | 4.99 | 171,940 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,203 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,191 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,400 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,263 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,977 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,798 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,227 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,465 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,753 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,430 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,655 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,794 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,045 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,286 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,314 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,339 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,899 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,180 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,903 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,788 |
| Countries Closest to India | 0 | - | 4.97 | 102,563 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,356 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,540 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,784 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,528 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,371 |
| Countries that Beat China | 0 | - | 4.86 | 115,350 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,372 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,514 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,579 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,763 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,875 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,617 |
