| Countries of the Soviet Union | 0 | - | 4.98 | 193,749 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,197 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,399 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,124 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,833 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,613 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,264 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,455 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,388 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,277 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,704 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,126 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,814 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,978 |
| Random European Capital to Country | 0 | - | 4.98 | 189,110 |
| Random European Country to Capital | 0 | - | 4.92 | 147,371 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,229 |
| Every European Country Shape | 0 | - | 4.96 | 199,977 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,626 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,829 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,758 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,418 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,255 |
| The Only European Country ... | 0 | - | 4.91 | 213,621 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,957 |
| Vietnam War Countries | 0 | - | 4.83 | 93,563 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,405 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,461 |
| Countries of Africa | 0 | - | 5.00 | 2,505,813 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,413 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,677 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,451 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,919 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,848 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,110 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,216 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,202 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,552 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,517 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,748 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,075 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,160 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,329 |
| Countries of the Middle East | 0 | - | 4.96 | 198,785 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,192 |
| Slavic Countries | 0 | - | 4.96 | 110,801 |
| African Island Countries | 0 | - | 4.96 | 100,704 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,468 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,912 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,626 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,407 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,985 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,535 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,635 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,703 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,126 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,114 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,234 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,506 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,189 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,348 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,167 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,457 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,652 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,722 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,491 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,798 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,882 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,744 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,935 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,786 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,529 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,051 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,131 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,596 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,288 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,290 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,325 |
| Monarchies of Europe | 0 | - | 4.90 | 97,251 |
| Monarchies of Asia | 0 | - | 4.97 | 70,560 |
| Countries of the German Empire | 0 | - | 4.51 | 37,636 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,587 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,405 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,648 |
| The Only African Country ... | 0 | - | 4.99 | 128,303 |
| The Only American Country ... | 0 | - | 4.92 | 120,692 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,752 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,216 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,989 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,275 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,963 |
| Countries That Border Russia | 0 | - | 4.98 | 458,691 |
| European Countries with One Border | 0 | - | 4.97 | 181,520 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,177 |
| Countries Bordering France | 0 | - | 4.85 | 397,943 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,849 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,049 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,971 |
| UK Immigration by Country | 0 | - | 4.94 | 139,527 |
| Central American Countries | 0 | - | 4.98 | 154,951 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,589 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,312 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,154 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,326 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,188 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,031 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,756 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,740 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,404 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,636 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,158 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,193 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,066 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,469 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,431 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,180 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,445 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,156 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,957 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,462 |
| Germany Country Quiz | 0 | - | 4.82 | 156,460 |
| Russia Country Quiz | 0 | - | 4.85 | 113,594 |
| Italy Country Quiz | 0 | - | 4.82 | 122,124 |
| Japan Country Quiz | 0 | - | 4.92 | 141,159 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,044 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,809 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,802 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,010 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,334 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,350 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,769 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,857 |
| Hindu Countries | 0 | - | 4.85 | 49,488 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,797 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,054 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,122 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,705 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,276 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,134 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,558 |
| Every African Country Shape | 0 | - | 4.90 | 85,942 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,330 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,058 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,142 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,089 |
| Countries Bordering India | 0 | - | 4.98 | 162,557 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,643 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,713 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,908 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,006 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,747 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,192 |
| Countries that Border China | 0 | - | 4.96 | 261,744 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,800 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,499 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,033 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,190 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,681 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,285 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,420 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,402 |
| Countries that Border Poland | 0 | - | 4.99 | 171,274 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,360 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,780 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,905 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,670 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,195 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,262 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,492 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,128 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,188 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,349 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,468 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,773 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,784 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,843 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,902 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,281 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,751 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,734 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,278 |
| Countries Closest to India | 0 | - | 4.97 | 102,169 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,863 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,215 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,505 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,065 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,454 |
| Countries that Beat China | 0 | - | 4.86 | 114,653 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,824 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,045 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,286 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,590 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,744 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,392 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,001 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,611 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,522 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,283 |
