| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,155 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,308 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,550 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,489 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,050 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,523 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,989 |
| Countries of Africa | 0 | - | 5.00 | 2,524,766 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,991 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,998 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,625 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,092 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,936 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,944 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,372 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,043 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,315 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,171 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,477 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,496 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,392 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,508 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,712 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,667 |
| Countries of the Middle East | 0 | - | 4.96 | 200,244 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,840 |
| The Only European Country ... | 0 | - | 4.91 | 215,494 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,345 |
| Slavic Countries | 0 | - | 4.96 | 111,344 |
| African Island Countries | 0 | - | 4.96 | 101,260 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,055 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,497 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,513 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,563 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,447 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,094 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,895 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,388 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,260 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,337 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,447 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,626 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,808 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,006 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,811 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,821 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,665 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,923 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,017 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,937 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,650 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,458 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,078 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,430 |
| UK Immigration by Country | 0 | - | 4.94 | 140,487 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,096 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,602 |
| Central American Countries | 0 | - | 4.98 | 155,664 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,156 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,828 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,899 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,808 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,811 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,267 |
| Vietnam War Countries | 0 | - | 4.83 | 93,952 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,651 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,279 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,867 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,304 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,556 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,198 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,810 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,033 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,960 |
| Monarchies of Europe | 0 | - | 4.90 | 97,788 |
| Monarchies of Asia | 0 | - | 4.97 | 70,888 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,818 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,816 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,034 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,595 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,705 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,920 |
| The Only African Country ... | 0 | - | 4.99 | 128,785 |
| The Only American Country ... | 0 | - | 4.92 | 121,263 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,973 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,717 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,603 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,539 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,533 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,079 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,617 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,733 |
| Countries That Border Russia | 0 | - | 4.98 | 460,635 |
| European Countries with One Border | 0 | - | 4.97 | 182,264 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,118 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,788 |
| Countries Bordering France | 0 | - | 4.83 | 401,428 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,239 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,437 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,840 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,636 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,202 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,812 |
| Germany Country Quiz | 0 | - | 4.82 | 157,330 |
| Russia Country Quiz | 0 | - | 4.85 | 114,128 |
| Italy Country Quiz | 0 | - | 4.82 | 122,809 |
| Japan Country Quiz | 0 | - | 4.93 | 142,041 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,139 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,150 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,967 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,237 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,433 |
| Random European Capital to Country | 0 | - | 4.98 | 190,315 |
| Random European Country to Capital | 0 | - | 4.93 | 162,290 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,981 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,083 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,972 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,605 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,065 |
| Hindu Countries | 0 | - | 4.86 | 49,894 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,179 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,253 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,331 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,805 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,678 |
| Every European Country Shape | 0 | - | 4.96 | 201,036 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,440 |
| Every African Country Shape | 0 | - | 4.90 | 86,776 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,972 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,513 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,617 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,931 |
| Countries Bordering India | 0 | - | 4.98 | 163,242 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,001 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,088 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,058 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,350 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,072 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,372 |
| Countries that Border China | 0 | - | 4.96 | 262,634 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,138 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,721 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,339 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,440 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,139 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,499 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,865 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,675 |
| Countries that Border Poland | 0 | - | 4.99 | 171,895 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,135 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,365 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,232 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,962 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,768 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,216 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,450 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,736 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,369 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,624 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,769 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,034 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,259 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,288 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,316 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,856 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,144 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,895 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,765 |
| Countries Closest to India | 0 | - | 4.97 | 102,540 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,334 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,486 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,766 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,485 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,303 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,304 |
| Countries that Beat China | 0 | - | 4.86 | 115,301 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,342 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,488 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,571 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,318 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,385 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,687 |
| Random European Flag to Country | 0 | - | 4.89 | 181,714 |
| Random African Flag to Country | 0 | - | 4.88 | 74,576 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,723 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,727 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,909 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,546 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,185 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,873 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,938 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,830 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,021 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,842 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,464 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,979 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,907 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,172 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,441 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,657 |
