| Countries of the Soviet Union | 0 | - | 4.98 | 194,227 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,964 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,910 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,057 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,704 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,924 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,918 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,456 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,462 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,736 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,201 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,367 |
| Random European Capital to Country | 0 | - | 4.98 | 190,073 |
| Random European Country to Capital | 0 | - | 4.92 | 157,271 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,455 |
| Every European Country Shape | 0 | - | 4.96 | 200,873 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,998 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,229 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,007 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,724 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,300 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,369 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,506 |
| The Only European Country ... | 0 | - | 4.91 | 215,249 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,162 |
| Vietnam War Countries | 0 | - | 4.83 | 93,918 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,380 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,482 |
| Countries of Africa | 0 | - | 5.00 | 2,522,312 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,637 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,895 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,961 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,065 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,877 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,103 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,641 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,253 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,385 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,932 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,800 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,713 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 88,213 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,897 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,153 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,516 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,621 |
| Countries of the Middle East | 0 | - | 4.96 | 199,920 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,777 |
| Slavic Countries | 0 | - | 4.96 | 111,281 |
| African Island Countries | 0 | - | 4.96 | 101,196 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,670 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,360 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,010 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,798 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,275 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,185 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,264 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,415 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,544 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,736 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,927 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,715 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,753 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,605 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,861 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,840 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,674 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,516 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,384 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,036 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,251 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,689 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,553 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,801 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,814 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,751 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,756 |
| Monarchies of Europe | 0 | - | 4.90 | 97,717 |
| Monarchies of Asia | 0 | - | 4.97 | 70,849 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,649 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,735 |
| The Only African Country ... | 0 | - | 4.99 | 128,723 |
| The Only American Country ... | 0 | - | 4.92 | 121,195 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,938 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,487 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,446 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,972 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,529 |
| Countries That Border Russia | 0 | - | 4.98 | 460,423 |
| European Countries with One Border | 0 | - | 4.97 | 182,167 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,032 |
| Countries Bordering France | 0 | - | 4.83 | 401,224 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,069 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,745 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,526 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,849 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,924 |
| UK Immigration by Country | 0 | - | 4.94 | 140,398 |
| Central American Countries | 0 | - | 4.98 | 155,560 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,083 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,941 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,413 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,118 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,212 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,301 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,134 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,795 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,741 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,488 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,124 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,986 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,768 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,619 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,483 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,537 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,031 |
| Every African Country Shape | 0 | - | 4.90 | 86,655 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,666 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,539 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,699 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,124 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,544 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,818 |
| Countries Bordering India | 0 | - | 4.98 | 163,210 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,948 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,047 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,035 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,747 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,028 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,351 |
| Countries that Border China | 0 | - | 4.96 | 262,539 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,102 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,691 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,301 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,409 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,092 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,373 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,825 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,650 |
| Countries that Border Poland | 0 | - | 4.99 | 171,820 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,044 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,284 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,398 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,191 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,922 |
| Countries that Visit Australia the Most | 0 | - | 4.91 | 68,787 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,691 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,188 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,709 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,423 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,605 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,272 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,570 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,171 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,580 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,716 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,983 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,233 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,264 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,753 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,876 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,709 |
| Countries Closest to India | 0 | - | 4.97 | 102,474 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,254 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,947 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,731 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,428 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,427 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,531 |
| Germany Country Quiz | 0 | - | 4.82 | 157,234 |
| Russia Country Quiz | 0 | - | 4.85 | 114,066 |
| Italy Country Quiz | 0 | - | 4.82 | 122,727 |
| Japan Country Quiz | 0 | - | 4.92 | 141,957 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,014 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,120 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,206 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,370 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,133 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,046 |
| Hindu Countries | 0 | - | 4.86 | 49,850 |
| Random European Flag to Country | 0 | - | 4.89 | 181,610 |
| Random African Flag to Country | 0 | - | 4.88 | 74,532 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,695 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,395 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,270 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,969 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,859 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,671 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,311 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,161 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,417 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,829 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,782 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,177 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,770 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,105 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,405 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,190 |
| Countries that Beat China | 0 | - | 4.86 | 115,225 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,275 |
