| Countries of the Soviet Union | 0 | - | 4.98 | 195,298 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,962 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,944 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,915 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,441 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,963 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,072 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,673 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,329 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,755 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,461 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,666 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,878 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,900 |
| Random European Capital to Country | 0 | - | 4.98 | 191,722 |
| Random European Country to Capital | 0 | - | 4.93 | 165,584 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,901 |
| Every European Country Shape | 0 | - | 4.96 | 202,464 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,519 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,049 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,483 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,484 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,466 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,293 |
| The Only European Country ... | 0 | - | 4.91 | 217,996 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,190 |
| Vietnam War Countries | 0 | - | 4.82 | 94,458 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,980 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,801 |
| Countries of Africa | 0 | - | 5.00 | 2,549,994 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,610 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,808 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,668 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,084 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,365 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,777 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,892 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,804 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,065 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,057 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,366 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,033 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,394 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,702 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,931 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,118 |
| Countries of the Middle East | 0 | - | 4.96 | 202,050 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,795 |
| Slavic Countries | 0 | - | 4.96 | 112,080 |
| African Island Countries | 0 | - | 4.96 | 102,130 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,813 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,439 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,993 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,160 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,903 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,175 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,248 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,813 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,565 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,735 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,206 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,952 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,608 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,854 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,868 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,774 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,571 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,206 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,579 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,690 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,018 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,708 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,255 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,153 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,768 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,413 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,310 |
| Monarchies of Europe | 0 | - | 4.90 | 98,511 |
| Monarchies of Asia | 0 | - | 4.97 | 71,334 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,117 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,836 |
| The Only African Country ... | 0 | - | 4.99 | 129,423 |
| The Only American Country ... | 0 | - | 4.92 | 121,952 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,286 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,130 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,219 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,093 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,483 |
| Countries That Border Russia | 0 | - | 4.98 | 463,577 |
| European Countries with One Border | 0 | - | 4.97 | 183,365 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,133 |
| Countries Bordering France | 0 | - | 4.83 | 404,047 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,103 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,543 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,393 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,836 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,193 |
| UK Immigration by Country | 0 | - | 4.94 | 141,336 |
| Central American Countries | 0 | - | 4.98 | 156,980 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,072 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,036 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,250 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,413 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,582 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,514 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,574 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,085 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,959 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,206 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,540 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,839 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,523 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,434 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,569 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,969 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,810 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,141 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,105 |
| Every African Country Shape | 0 | - | 4.90 | 87,946 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,512 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,441 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,580 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,746 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,581 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,202 |
| Countries Bordering India | 0 | - | 4.98 | 163,665 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,824 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,769 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,618 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,291 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,819 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,709 |
| Countries that Border China | 0 | - | 4.96 | 263,790 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,898 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,018 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,993 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,353 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,815 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,856 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,682 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,111 |
| Countries that Border Poland | 0 | - | 4.99 | 172,810 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,136 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,141 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,750 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,659 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,368 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,406 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,554 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,505 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,029 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,988 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,866 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,611 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,261 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,572 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,064 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,220 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,345 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,870 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,844 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,783 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,055 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,703 |
| Countries Closest to India | 0 | - | 4.97 | 103,047 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,958 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,594 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,116 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,054 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,870 |
| Germany Country Quiz | 0 | - | 4.83 | 158,454 |
| Russia Country Quiz | 0 | - | 4.83 | 114,855 |
| Japan Country Quiz | 0 | - | 4.93 | 142,957 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,479 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,568 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,469 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,961 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,506 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,790 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,278 |
| Hindu Countries | 0 | - | 4.87 | 50,395 |
| Random European Flag to Country | 0 | - | 4.90 | 183,494 |
| Random African Flag to Country | 0 | - | 4.88 | 75,344 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,449 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,332 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,257 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,669 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,868 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,326 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,046 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,635 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,746 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,798 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,344 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,870 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,392 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,051 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,002 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,126 |
