| Neutral European Countries of WWII | 0 | - | 4.91 | 161,342 |
| Vietnam War Countries | 0 | - | 4.82 | 94,135 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,193 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,381 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,570 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,199 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,731 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,837 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,115 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,520 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,484 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,599 |
| Countries of Africa | 0 | - | 5.00 | 2,532,807 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,187 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,264 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,731 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,720 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,994 |
| The Only European Country ... | 0 | - | 4.91 | 216,255 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,957 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,923 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,614 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,257 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,148 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,501 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,663 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,190 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,403 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,469 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,165 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,125 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,619 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,199 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,478 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,100 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,388 |
| Countries of the Middle East | 0 | - | 4.96 | 200,920 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,119 |
| Slavic Countries | 0 | - | 4.96 | 111,556 |
| African Island Countries | 0 | - | 4.96 | 101,515 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,627 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,745 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,375 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,326 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,794 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,535 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,623 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,556 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,148 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,068 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,487 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,109 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,048 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,892 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,173 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,249 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,115 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,391 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,757 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,631 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,654 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,147 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,719 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,376 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,639 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,755 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,798 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,795 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,944 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,141 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,011 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,002 |
| Monarchies of Europe | 0 | - | 4.90 | 98,023 |
| Monarchies of Asia | 0 | - | 4.97 | 71,025 |
| Countries of the German Empire | 0 | - | 4.51 | 37,892 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,811 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,562 |
| The Only African Country ... | 0 | - | 4.99 | 129,017 |
| The Only American Country ... | 0 | - | 4.92 | 121,479 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,091 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,713 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,740 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,364 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,851 |
| European Countries with One Border | 0 | - | 4.97 | 182,613 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,430 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,080 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,271 |
| UK Immigration by Country | 0 | - | 4.94 | 140,773 |
| Central American Countries | 0 | - | 4.98 | 156,292 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,416 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,524 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,179 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,474 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,464 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,050 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,385 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,179 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,995 |
| Arms Exports - United States | 0 | - | 4.75 | 62,330 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,768 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,016 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,874 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,913 |
| Countries That Border Russia | 0 | - | 4.98 | 461,372 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,958 |
| Countries Bordering France | 0 | - | 4.83 | 402,148 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,829 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,535 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,009 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,848 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,323 |
| Germany Country Quiz | 0 | - | 4.82 | 157,698 |
| Russia Country Quiz | 0 | - | 4.85 | 114,364 |
| Italy Country Quiz | 0 | - | 4.82 | 123,288 |
| Japan Country Quiz | 0 | - | 4.93 | 142,328 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,601 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,283 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,033 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,316 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,714 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,481 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,846 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,312 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,597 |
| Random European Capital to Country | 0 | - | 4.98 | 190,737 |
| Random European Country to Capital | 0 | - | 4.93 | 164,913 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,337 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,668 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,076 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,849 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,125 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,322 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,355 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,407 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,496 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,351 |
| Every European Country Shape | 0 | - | 4.96 | 201,441 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,629 |
| Every African Country Shape | 0 | - | 4.90 | 87,145 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,703 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,198 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,580 |
| Countries Bordering India | 0 | - | 4.98 | 163,373 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,142 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,233 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,123 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,205 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,484 |
| Countries that Border China | 0 | - | 4.96 | 262,972 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,290 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,824 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,470 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,569 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,320 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,746 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,057 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,799 |
| Countries that Border Poland | 0 | - | 4.99 | 172,147 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,466 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,603 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,373 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,084 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,995 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,291 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,819 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,791 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,775 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,903 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,125 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,468 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,475 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,132 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,947 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,959 |
| Countries Closest to India | 0 | - | 4.97 | 102,695 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,542 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,870 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,876 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,755 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,680 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,672 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,435 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,471 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,131 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,924 |
| Hindu Countries | 0 | - | 4.86 | 50,067 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,072 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,720 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,234 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,485 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,459 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,544 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,466 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,328 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,700 |
| Countries that Beat China | 0 | - | 4.86 | 115,595 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,535 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,825 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,910 |
