| Neutral European Countries of WWII | 0 | - | 4.91 | 160,493 |
| Vietnam War Countries | 0 | - | 4.83 | 93,623 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,771 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,376 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,311 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,865 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,647 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,914 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,291 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,874 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,856 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,288 |
| Countries of Africa | 0 | - | 5.00 | 2,508,396 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,695 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,337 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,039 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,832 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,596 |
| The Only European Country ... | 0 | - | 4.91 | 213,901 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,179 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,581 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,218 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,515 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,739 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,970 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,248 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,695 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,134 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,260 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,313 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,295 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,625 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,582 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,824 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,998 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,387 |
| Countries of the Middle East | 0 | - | 4.96 | 198,957 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,283 |
| Slavic Countries | 0 | - | 4.96 | 110,874 |
| African Island Countries | 0 | - | 4.96 | 100,803 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,502 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,911 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,737 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,505 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,144 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,644 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,727 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,790 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,162 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,179 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,305 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,593 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,294 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,436 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,268 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,512 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,525 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,690 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,797 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,508 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,997 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,025 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,877 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,011 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,614 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,362 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,221 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,390 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,633 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,383 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,357 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,379 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| Monarchies of Asia | 0 | - | 4.97 | 70,612 |
| Countries of the German Empire | 0 | - | 4.51 | 37,666 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,437 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,809 |
| The Only African Country ... | 0 | - | 4.99 | 128,379 |
| The Only American Country ... | 0 | - | 4.92 | 120,774 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,259 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,054 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,417 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,069 |
| European Countries with One Border | 0 | - | 4.97 | 181,654 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,551 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,122 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,978 |
| UK Immigration by Country | 0 | - | 4.94 | 139,673 |
| Central American Countries | 0 | - | 4.98 | 155,078 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,671 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,984 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,278 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,371 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,261 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,098 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,814 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,784 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,469 |
| Arms Exports - United States | 0 | - | 4.70 | 54,368 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,225 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,265 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,132 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,504 |
| Countries That Border Russia | 0 | - | 4.98 | 458,969 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,501 |
| Countries Bordering France | 0 | - | 4.83 | 399,299 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,101 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,226 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,520 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,213 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,986 |
| Germany Country Quiz | 0 | - | 4.82 | 156,587 |
| Russia Country Quiz | 0 | - | 4.85 | 113,653 |
| Italy Country Quiz | 0 | - | 4.82 | 122,234 |
| Japan Country Quiz | 0 | - | 4.92 | 141,288 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,204 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,863 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,825 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,043 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,118 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,610 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,470 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,088 |
| Random European Capital to Country | 0 | - | 4.98 | 189,251 |
| Random European Country to Capital | 0 | - | 4.92 | 147,477 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,418 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,436 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,797 |
| Biggest British Empire Countries | 0 | - | 4.75 | 95,655 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,904 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,867 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,080 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,161 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,535 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,373 |
| Every European Country Shape | 0 | - | 4.96 | 200,225 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,720 |
| Every African Country Shape | 0 | - | 4.90 | 86,137 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,108 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,186 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,172 |
| Countries Bordering India | 0 | - | 4.98 | 162,612 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,709 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,790 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,934 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,793 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,221 |
| Countries that Border China | 0 | - | 4.96 | 261,838 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,858 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,539 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,092 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,236 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,771 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,310 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,502 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,464 |
| Countries that Border Poland | 0 | - | 4.99 | 171,377 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,497 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,877 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,947 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,711 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,293 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,540 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,338 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,385 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,518 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,811 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,906 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,977 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,372 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,761 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,360 |
| Countries Closest to India | 0 | - | 4.97 | 102,216 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,922 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,354 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,540 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,118 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,123 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,340 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,299 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,954 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,253 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,690 |
| Hindu Countries | 0 | - | 4.86 | 49,595 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,740 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,600 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,436 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,074 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,570 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,286 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,867 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,820 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,595 |
| Countries that Beat China | 0 | - | 4.86 | 114,733 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,914 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,624 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,764 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,418 |
