| Countries of the Soviet Union | 0 | - | 4.98 | 195,485 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,108 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,204 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,182 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 104,530 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,243 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,335 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,895 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,496 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,821 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,744 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,885 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,039 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,014 |
| Random European Capital to Country | 0 | - | 4.98 | 192,039 |
| Random European Country to Capital | 0 | - | 4.93 | 165,809 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,997 |
| Every European Country Shape | 0 | - | 4.96 | 202,816 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,654 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,580 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,753 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,962 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,445 |
| The Only European Country ... | 0 | - | 4.91 | 218,719 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,740 |
| Vietnam War Countries | 0 | - | 4.82 | 94,561 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,373 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,883 |
| Countries of Africa | 0 | - | 5.00 | 2,556,633 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,369 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,796 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,466 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,952 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,713 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,313 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,827 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,480 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,142 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,483 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,836 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,884 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,531 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,269 |
| Countries of the Middle East | 0 | - | 4.96 | 202,462 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,077 |
| Slavic Countries | 0 | - | 4.96 | 112,295 |
| African Island Countries | 0 | - | 4.96 | 102,363 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,140 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,318 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,715 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,238 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,482 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,233 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,408 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,452 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,918 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,723 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,958 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,400 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,190 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,826 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,081 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,053 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,478 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,959 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,963 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,236 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,900 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,586 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,789 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,801 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,192 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,017 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,417 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,232 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,026 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,596 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,449 |
| Monarchies of Europe | 0 | - | 4.90 | 98,774 |
| Monarchies of Asia | 0 | - | 4.97 | 71,460 |
| Countries of the German Empire | 0 | - | 4.51 | 38,150 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,848 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,241 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,307 |
| The Only African Country ... | 0 | - | 4.99 | 129,602 |
| The Only American Country ... | 0 | - | 4.92 | 122,155 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,361 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,244 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,419 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,384 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,741 |
| Countries That Border Russia | 0 | - | 4.98 | 464,282 |
| European Countries with One Border | 0 | - | 4.97 | 183,667 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,423 |
| Countries Bordering France | 0 | - | 4.83 | 404,682 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,638 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,745 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,653 |
| UK Immigration by Country | 0 | - | 4.94 | 141,607 |
| Central American Countries | 0 | - | 4.98 | 157,234 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,516 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,296 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,175 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,561 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,256 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,020 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,778 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,985 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,983 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,542 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,736 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,639 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,293 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,788 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,709 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,704 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,411 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,867 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,541 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,949 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,745 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,681 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,268 |
| Germany Country Quiz | 0 | - | 4.82 | 158,740 |
| Russia Country Quiz | 0 | - | 4.83 | 115,250 |
| Japan Country Quiz | 0 | - | 4.93 | 143,230 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,862 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,698 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,234 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,553 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,058 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,859 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,948 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,363 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,320 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,344 |
| Hindu Countries | 0 | - | 4.87 | 50,539 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,685 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,586 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,658 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,419 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,592 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,427 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,552 |
| Every African Country Shape | 0 | - | 4.90 | 88,266 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,104 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,391 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,922 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,053 |
| Countries Bordering India | 0 | - | 4.98 | 163,780 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,966 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,898 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,683 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,201 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,018 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,795 |
| Countries that Border China | 0 | - | 4.96 | 264,148 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,059 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,104 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,152 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,697 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,012 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,895 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,843 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,211 |
| Countries that Border Poland | 0 | - | 4.99 | 173,077 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,435 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,368 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,797 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,482 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,762 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,586 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,853 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,119 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,121 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,993 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,218 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,335 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,438 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,078 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,083 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,989 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,024 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,204 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,103 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,850 |
| Countries Closest to India | 0 | - | 4.97 | 103,181 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,133 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,256 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,225 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,253 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,535 |
| Countries that Beat China | 0 | - | 4.85 | 116,654 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,516 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,384 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,962 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,019 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,065 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,902 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,006 |
