| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,032 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,208 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,431 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,444 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,971 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,455 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,872 |
| Countries of Africa | 0 | - | 5.00 | 2,521,441 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,871 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,945 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,291 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,784 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,667 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,529 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,889 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,761 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,023 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,936 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,448 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,491 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,262 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,313 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,440 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,603 |
| Countries of the Middle East | 0 | - | 4.96 | 199,858 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,741 |
| The Only European Country ... | 0 | - | 4.91 | 215,143 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,083 |
| Slavic Countries | 0 | - | 4.96 | 111,257 |
| African Island Countries | 0 | - | 4.96 | 101,161 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,934 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,322 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,466 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,276 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,309 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,974 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,758 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,226 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,155 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,233 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,402 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,518 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,701 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,897 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,682 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,729 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,584 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,841 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,749 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,617 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,469 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,355 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,019 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,908 |
| UK Immigration by Country | 0 | - | 4.94 | 140,353 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,046 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,535 |
| Central American Countries | 0 | - | 4.98 | 155,517 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,057 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,782 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,777 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,727 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,703 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,174 |
| Vietnam War Countries | 0 | - | 4.83 | 93,891 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,271 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,078 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,767 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,470 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,462 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,101 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,745 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,975 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,895 |
| Monarchies of Europe | 0 | - | 4.90 | 97,702 |
| Monarchies of Asia | 0 | - | 4.97 | 70,830 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,743 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,667 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,886 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,515 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,629 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,649 |
| The Only African Country ... | 0 | - | 4.99 | 128,702 |
| The Only American Country ... | 0 | - | 4.92 | 121,168 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,639 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,492 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,467 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,410 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,917 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,503 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,685 |
| Countries That Border Russia | 0 | - | 4.98 | 460,339 |
| European Countries with One Border | 0 | - | 4.97 | 182,118 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,984 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,724 |
| Countries Bordering France | 0 | - | 4.83 | 401,127 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,006 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,383 |
| Countries that Visit Australia the Most | 0 | - | 4.91 | 68,768 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,549 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,158 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,722 |
| Germany Country Quiz | 0 | - | 4.82 | 157,183 |
| Russia Country Quiz | 0 | - | 4.85 | 114,043 |
| Italy Country Quiz | 0 | - | 4.82 | 122,677 |
| Japan Country Quiz | 0 | - | 4.92 | 141,907 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,963 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,094 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,921 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,190 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,295 |
| Random European Capital to Country | 0 | - | 4.98 | 189,768 |
| Random European Country to Capital | 0 | - | 4.92 | 147,869 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,669 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,776 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,933 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,471 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,035 |
| Hindu Countries | 0 | - | 4.86 | 49,826 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,095 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,195 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,293 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,542 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,410 |
| Every European Country Shape | 0 | - | 4.96 | 200,830 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,000 |
| Every African Country Shape | 0 | - | 4.90 | 86,612 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,823 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,919 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,519 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,789 |
| Countries Bordering India | 0 | - | 4.98 | 163,199 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,930 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,026 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,030 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,296 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,012 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,340 |
| Countries that Border China | 0 | - | 4.96 | 262,495 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,079 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,677 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,277 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,398 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,063 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,371 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,809 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,634 |
| Countries that Border Poland | 0 | - | 4.99 | 171,782 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,015 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,251 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,171 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,912 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,659 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,179 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,406 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,698 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,228 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,566 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,697 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,974 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,143 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,213 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,242 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,733 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,084 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,873 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,685 |
| Countries Closest to India | 0 | - | 4.97 | 102,460 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,236 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,900 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,716 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,414 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,231 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,138 |
| Countries that Beat China | 0 | - | 4.86 | 115,189 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,249 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,399 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,520 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,262 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,368 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,850 |
| Random European Flag to Country | 0 | - | 4.89 | 181,565 |
| Random African Flag to Country | 0 | - | 4.88 | 74,511 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,641 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,647 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,836 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,465 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,138 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,791 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,794 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,763 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,945 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,751 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,347 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,894 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,865 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,082 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,384 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,635 |
