| Soviet Union Country Quiz | 0 | - | 4.90 | 80,573 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,179 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,096 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,130 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,953 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,160 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,058 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,805 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,508 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,654 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,911 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,334 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,499 |
| Random European Capital to Country | 0 | - | 4.98 | 190,525 |
| Random European Country to Capital | 0 | - | 4.93 | 164,167 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,523 |
| Every European Country Shape | 0 | - | 4.96 | 201,183 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,106 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,359 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,509 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,676 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,699 |
| The Only European Country ... | 0 | - | 4.91 | 215,789 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,582 |
| Vietnam War Countries | 0 | - | 4.83 | 94,019 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,637 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,542 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,419 |
| Countries of Africa | 0 | - | 5.00 | 2,528,061 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,100 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,062 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,295 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,352 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,892 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,278 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,029 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,018 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,173 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,118 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,387 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,534 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,964 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,715 |
| Countries of the Middle East | 0 | - | 4.96 | 200,607 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,916 |
| Slavic Countries | 0 | - | 4.96 | 111,417 |
| African Island Countries | 0 | - | 4.96 | 101,350 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,764 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,707 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,572 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,197 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,061 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,541 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,347 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,448 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,485 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,899 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,899 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,227 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,911 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,900 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,757 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,003 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,942 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,232 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,676 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,250 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,346 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,873 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,531 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,129 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,536 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,919 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,672 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,871 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,979 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,866 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,882 |
| Monarchies of Europe | 0 | - | 4.90 | 97,878 |
| Monarchies of Asia | 0 | - | 4.97 | 70,928 |
| Countries of the German Empire | 0 | - | 4.51 | 37,852 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,700 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,744 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,150 |
| The Only African Country ... | 0 | - | 4.99 | 128,873 |
| The Only American Country ... | 0 | - | 4.92 | 121,346 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,029 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,592 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,622 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,171 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,708 |
| Countries That Border Russia | 0 | - | 4.98 | 460,910 |
| European Countries with One Border | 0 | - | 4.97 | 182,418 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,241 |
| Countries Bordering France | 0 | - | 4.83 | 401,691 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,465 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,923 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,697 |
| UK Immigration by Country | 0 | - | 4.94 | 140,584 |
| Central American Countries | 0 | - | 4.98 | 155,806 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,250 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,973 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,451 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,968 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,826 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,642 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,264 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,088 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,884 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,483 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,664 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,802 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,704 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,782 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,842 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,474 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,897 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,656 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,717 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,252 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,643 |
| Germany Country Quiz | 0 | - | 4.82 | 157,473 |
| Russia Country Quiz | 0 | - | 4.85 | 114,205 |
| Italy Country Quiz | 0 | - | 4.82 | 123,033 |
| Japan Country Quiz | 0 | - | 4.93 | 142,138 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,294 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,199 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,991 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,271 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,646 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,293 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,084 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,392 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,013 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,087 |
| Hindu Countries | 0 | - | 4.86 | 49,957 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,248 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,305 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,365 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,000 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,041 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,901 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,508 |
| Every African Country Shape | 0 | - | 4.90 | 86,900 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,070 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,980 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,700 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,064 |
| Countries Bordering India | 0 | - | 4.98 | 163,288 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,051 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,148 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,086 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,406 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,117 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,422 |
| Countries that Border China | 0 | - | 4.96 | 262,743 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,196 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,766 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,392 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,483 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,205 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,717 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,937 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,727 |
| Countries that Border Poland | 0 | - | 4.99 | 171,986 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,266 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,452 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,290 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,001 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 74,847 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,238 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,483 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,770 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,539 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,514 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,679 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,817 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,060 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,331 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,348 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,368 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,948 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,225 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,916 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,823 |
| Countries Closest to India | 0 | - | 4.97 | 102,590 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,404 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,611 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,808 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,571 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,441 |
| Countries that Beat China | 0 | - | 4.86 | 115,411 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,416 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,562 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,599 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,784 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,884 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,359 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,719 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,404 |
