| Countries of Europe After World War II | 0 | - | 4.99 | 189,340 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,408 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,273 |
| Vietnam War Countries | 0 | - | 4.82 | 94,600 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 106,108 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,020 |
| Countries of the German Empire | 0 | - | 4.51 | 38,172 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,690 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,540 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,824 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,505 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,137 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,009 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,845 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,831 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,462 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,810 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,958 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,089 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,228 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,977 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,408 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,256 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,593 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,712 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,254 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,744 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,831 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,070 |
| The Only European Country ... | 0 | - | 4.91 | 218,936 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,894 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,477 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,451 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,906 |
| Countries of Africa | 0 | - | 5.00 | 2,559,127 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,430 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,997 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,917 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,381 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,874 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,511 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,189 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,511 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,852 |
| Asia Capital to Country | 0 | - | 4.96 | 127,370 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,885 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,182 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,467 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,708 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,304 |
| Countries of the Middle East | 0 | - | 4.96 | 202,917 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,160 |
| Slavic Countries | 0 | - | 4.96 | 112,353 |
| African Island Countries | 0 | - | 4.96 | 102,423 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,176 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,800 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,303 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,581 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,329 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,486 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,507 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,948 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,773 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,033 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,703 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,254 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,902 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,132 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,113 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,103 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,955 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,996 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,189 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,979 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,380 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,684 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,230 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,385 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,933 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,461 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,077 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,652 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,488 |
| Monarchies of Europe | 0 | - | 4.90 | 98,853 |
| Monarchies of Asia | 0 | - | 4.97 | 71,494 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,281 |
| The Only African Country ... | 0 | - | 4.99 | 129,642 |
| The Only American Country ... | 0 | - | 4.92 | 122,205 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,374 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,269 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,474 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,466 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,815 |
| Countries That Border Russia | 0 | - | 4.98 | 464,451 |
| European Countries with One Border | 0 | - | 4.97 | 183,767 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,503 |
| Countries Bordering France | 0 | - | 4.83 | 404,846 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,792 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,812 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,026 |
| UK Immigration by Country | 0 | - | 4.94 | 141,691 |
| Central American Countries | 0 | - | 4.98 | 157,314 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,583 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,384 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,413 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,666 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,313 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,823 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,027 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,084 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,563 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,794 |
| Arms Exports - United States | 0 | - | 4.77 | 62,724 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,326 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,861 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,770 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,732 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,454 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,894 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,589 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,967 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,804 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,713 |
| Germany Country Quiz | 0 | - | 4.82 | 158,810 |
| Russia Country Quiz | 0 | - | 4.83 | 115,296 |
| Japan Country Quiz | 0 | - | 4.93 | 143,311 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,966 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,728 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,577 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,079 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,629 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,282 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,145 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,046 |
| Random European Capital to Country | 0 | - | 4.98 | 192,111 |
| Random European Country to Capital | 0 | - | 4.93 | 165,869 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,347 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,485 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,357 |
| Hindu Countries | 0 | - | 4.87 | 50,570 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,718 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,602 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,680 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,797 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,578 |
| Every European Country Shape | 0 | - | 4.96 | 202,959 |
| Every African Country Shape | 0 | - | 4.90 | 88,354 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,203 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,031 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,980 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,171 |
| Countries Bordering India | 0 | - | 4.98 | 163,810 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,997 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,934 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,695 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,237 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,050 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,826 |
| Countries that Border China | 0 | - | 4.96 | 264,246 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,093 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,129 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,175 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,778 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,072 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,910 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,874 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,244 |
| Countries that Border Poland | 0 | - | 4.99 | 173,151 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,693 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,526 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,430 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,835 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,518 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,829 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,613 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,885 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,143 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,093 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,245 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,370 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,462 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,134 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,142 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,036 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,471 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,240 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,119 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,902 |
| Countries Closest to India | 0 | - | 4.97 | 103,227 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,191 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,357 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,252 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,290 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,638 |
| Countries that Beat China | 0 | - | 4.85 | 116,723 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,583 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,433 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,995 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,038 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,071 |
