| Countries of the Soviet Union | 0 | - | 4.98 | 194,611 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,754 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,510 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,428 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,261 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,397 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,592 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,362 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,025 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,621 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,012 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,250 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,615 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,673 |
| Random European Capital to Country | 0 | - | 4.98 | 190,932 |
| Random European Country to Capital | 0 | - | 4.93 | 165,135 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,674 |
| Every European Country Shape | 0 | - | 4.96 | 201,748 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,280 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,067 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,842 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,286 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,000 |
| The Only European Country ... | 0 | - | 4.91 | 216,687 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,299 |
| Vietnam War Countries | 0 | - | 4.82 | 94,229 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,171 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,657 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,801 |
| Countries of Africa | 0 | - | 5.00 | 2,537,589 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,395 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,255 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,628 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,575 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,840 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,639 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,299 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,201 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,761 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,260 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,547 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,866 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,756 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,890 |
| Countries of the Middle East | 0 | - | 4.96 | 201,200 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,304 |
| Slavic Countries | 0 | - | 4.96 | 111,676 |
| African Island Countries | 0 | - | 4.96 | 101,648 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,888 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,419 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,915 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,525 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,542 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,010 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,685 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,757 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,618 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,240 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,220 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,593 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,261 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,169 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,010 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,275 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,174 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,480 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,785 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,916 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,871 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,350 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,842 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,441 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,748 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,283 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,914 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,007 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,309 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,131 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,095 |
| Monarchies of Europe | 0 | - | 4.90 | 98,165 |
| Monarchies of Asia | 0 | - | 4.97 | 71,098 |
| Countries of the German Empire | 0 | - | 4.51 | 37,943 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,748 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,900 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,855 |
| The Only African Country ... | 0 | - | 4.99 | 129,111 |
| The Only American Country ... | 0 | - | 4.92 | 121,624 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,132 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,788 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,872 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,562 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,019 |
| Countries That Border Russia | 0 | - | 4.98 | 461,779 |
| European Countries with One Border | 0 | - | 4.97 | 182,802 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,601 |
| Countries Bordering France | 0 | - | 4.83 | 402,593 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,454 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,216 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,946 |
| UK Immigration by Country | 0 | - | 4.94 | 140,916 |
| Central American Countries | 0 | - | 4.98 | 156,490 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,664 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,097 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,435 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,619 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,560 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,195 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,503 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,240 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,086 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,921 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,852 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,135 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,031 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,977 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,046 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,585 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,114 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,752 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,958 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,394 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,092 |
| Germany Country Quiz | 0 | - | 4.83 | 157,882 |
| Russia Country Quiz | 0 | - | 4.83 | 114,505 |
| Japan Country Quiz | 0 | - | 4.93 | 142,492 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,829 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,350 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,077 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,348 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,780 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,371 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,461 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,763 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,114 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,169 |
| Hindu Countries | 0 | - | 4.86 | 50,162 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,395 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,413 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,458 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,166 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,911 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,748 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,762 |
| Every African Country Shape | 0 | - | 4.90 | 87,348 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,459 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,026 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,282 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,744 |
| Countries Bordering India | 0 | - | 4.98 | 163,440 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,238 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,331 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,159 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,577 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,292 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,532 |
| Countries that Border China | 0 | - | 4.96 | 263,195 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,358 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,875 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,548 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,650 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,411 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,773 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,161 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,872 |
| Countries that Border Poland | 0 | - | 4.99 | 172,291 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,697 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,777 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,448 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,157 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,136 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,394 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,597 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,876 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,738 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,012 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,861 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,989 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,182 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,586 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,576 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,566 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,363 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,421 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,978 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,085 |
| Countries Closest to India | 0 | - | 4.97 | 102,786 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,655 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,066 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,951 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,821 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,479 |
| Countries that Beat China | 0 | - | 4.85 | 115,860 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,816 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,868 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,726 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,879 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,936 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,541 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,808 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,450 |
