| Countries of the Soviet Union | 0 | - | 4.98 | 195,541 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,139 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,279 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,270 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,563 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,347 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,414 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,960 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,550 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 107,033 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,822 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,962 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,089 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,053 |
| Random European Capital to Country | 0 | - | 4.98 | 192,119 |
| Random European Country to Capital | 0 | - | 4.93 | 165,872 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,022 |
| Every European Country Shape | 0 | - | 4.96 | 202,962 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,691 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,752 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,839 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,076 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,486 |
| The Only European Country ... | 0 | - | 4.91 | 218,950 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,903 |
| Vietnam War Countries | 0 | - | 4.82 | 94,606 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,480 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,906 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,687 |
| Countries of Africa | 0 | - | 5.00 | 2,559,230 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,439 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,826 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,699 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,000 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,943 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,387 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,876 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,513 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,190 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,511 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,853 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,490 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,718 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,308 |
| Countries of the Middle East | 0 | - | 4.96 | 202,919 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,163 |
| Slavic Countries | 0 | - | 4.96 | 112,354 |
| African Island Countries | 0 | - | 4.96 | 102,425 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,167 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,207 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,801 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,305 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,585 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,333 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,493 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,508 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,948 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,777 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,035 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,705 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,254 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,904 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,134 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,115 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,508 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,006 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,988 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,388 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,021 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,690 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,848 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,835 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,235 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,091 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,464 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,256 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,080 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,656 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,490 |
| Monarchies of Europe | 0 | - | 4.90 | 98,856 |
| Monarchies of Asia | 0 | - | 4.97 | 71,496 |
| Countries of the German Empire | 0 | - | 4.51 | 38,179 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,860 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,281 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,470 |
| The Only African Country ... | 0 | - | 4.99 | 129,646 |
| The Only American Country ... | 0 | - | 4.92 | 122,208 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,375 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,273 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,500 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,468 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,819 |
| Countries That Border Russia | 0 | - | 4.98 | 464,459 |
| European Countries with One Border | 0 | - | 4.97 | 183,771 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,507 |
| Countries Bordering France | 0 | - | 4.83 | 404,854 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,802 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,813 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,719 |
| UK Immigration by Country | 0 | - | 4.94 | 141,698 |
| Central American Countries | 0 | - | 4.98 | 157,321 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,583 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,390 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,420 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,673 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,320 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,235 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,825 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,028 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,085 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,564 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,796 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,715 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,329 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,864 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,773 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,732 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,457 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,896 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,593 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,969 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,806 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,716 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,567 |
| Germany Country Quiz | 0 | - | 4.82 | 158,816 |
| Russia Country Quiz | 0 | - | 4.83 | 115,299 |
| Japan Country Quiz | 0 | - | 4.93 | 143,316 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,972 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,732 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,249 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,578 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,081 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,306 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,979 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,411 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,348 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,357 |
| Hindu Countries | 0 | - | 4.87 | 50,570 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,718 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,605 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,681 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,455 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,806 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,590 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,595 |
| Every African Country Shape | 0 | - | 4.90 | 88,359 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,208 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,054 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,986 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,181 |
| Countries Bordering India | 0 | - | 4.98 | 163,811 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,999 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,937 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,697 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,237 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,051 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,827 |
| Countries that Border China | 0 | - | 4.96 | 264,250 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,094 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,130 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,178 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,780 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,077 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,914 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,877 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,247 |
| Countries that Border Poland | 0 | - | 4.99 | 173,152 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,530 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,434 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,837 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,519 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,832 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,614 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,889 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,143 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,158 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,099 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,248 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,373 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,463 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,138 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,143 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,038 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,475 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,243 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,120 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,903 |
| Countries Closest to India | 0 | - | 4.97 | 103,229 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,194 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,364 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,253 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,294 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,642 |
| Countries that Beat China | 0 | - | 4.85 | 116,726 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,586 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,433 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,996 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,039 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,071 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,933 |
