| Countries of the Soviet Union | 0 | - | 4.98 | 193,751 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,200 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,401 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,127 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,834 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,623 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,271 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,459 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,389 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,280 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,706 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,134 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,817 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,980 |
| Random European Capital to Country | 0 | - | 4.98 | 189,115 |
| Random European Country to Capital | 0 | - | 4.92 | 147,378 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,233 |
| Every European Country Shape | 0 | - | 4.96 | 199,996 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,629 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,842 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,763 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,428 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,257 |
| The Only European Country ... | 0 | - | 4.91 | 213,635 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,970 |
| Vietnam War Countries | 0 | - | 4.83 | 93,567 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,417 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,463 |
| Countries of Africa | 0 | - | 5.00 | 2,505,915 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,417 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,679 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,457 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,923 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,865 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,118 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,219 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,202 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,554 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,519 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,751 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,158 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,165 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,331 |
| Countries of the Middle East | 0 | - | 4.96 | 198,791 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,196 |
| Slavic Countries | 0 | - | 4.96 | 110,805 |
| African Island Countries | 0 | - | 4.96 | 100,712 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,470 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,977 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,633 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,412 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,994 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,538 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,641 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,710 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,126 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,117 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,239 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,514 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,193 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,352 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,174 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,459 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,654 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,725 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,493 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,806 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,889 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,749 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,939 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,788 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,532 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,055 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,132 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,600 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,295 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,295 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,326 |
| Monarchies of Europe | 0 | - | 4.90 | 97,255 |
| Monarchies of Asia | 0 | - | 4.97 | 70,563 |
| Countries of the German Empire | 0 | - | 4.51 | 37,639 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,589 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,409 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,653 |
| The Only African Country ... | 0 | - | 4.99 | 128,306 |
| The Only American Country ... | 0 | - | 4.92 | 120,698 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,753 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,219 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,991 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,283 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,968 |
| Countries That Border Russia | 0 | - | 4.98 | 458,704 |
| European Countries with One Border | 0 | - | 4.97 | 181,526 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,214 |
| Countries Bordering France | 0 | - | 4.85 | 398,080 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,864 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,052 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,977 |
| UK Immigration by Country | 0 | - | 4.94 | 139,532 |
| Central American Countries | 0 | - | 4.98 | 154,959 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,591 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,367 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,157 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,328 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,188 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,035 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,757 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,741 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,410 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,639 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,163 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,197 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,068 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,471 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,434 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,187 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,450 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,159 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,959 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,485 |
| Germany Country Quiz | 0 | - | 4.82 | 156,465 |
| Russia Country Quiz | 0 | - | 4.85 | 113,596 |
| Italy Country Quiz | 0 | - | 4.82 | 122,133 |
| Japan Country Quiz | 0 | - | 4.92 | 141,170 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,051 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,814 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,802 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,013 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,355 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,310 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,352 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,771 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,859 |
| Hindu Countries | 0 | - | 4.85 | 49,496 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,800 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,057 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,123 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,706 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,287 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,148 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,568 |
| Every African Country Shape | 0 | - | 4.90 | 85,954 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,332 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,060 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,145 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,092 |
| Countries Bordering India | 0 | - | 4.98 | 162,559 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,648 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,720 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,912 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,010 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,753 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,193 |
| Countries that Border China | 0 | - | 4.96 | 261,750 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,804 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,501 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,038 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,193 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,688 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,285 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,432 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,406 |
| Countries that Border Poland | 0 | - | 4.99 | 171,279 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,365 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,788 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,908 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,678 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,196 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,262 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,494 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,135 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,194 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,349 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,470 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,775 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,787 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,845 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,903 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,287 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,753 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,735 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,287 |
| Countries Closest to India | 0 | - | 4.97 | 102,175 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,867 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,226 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,509 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,069 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,460 |
| Countries that Beat China | 0 | - | 4.86 | 114,660 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,828 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,050 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,288 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,591 |
| 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 | 30,630 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,522 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,284 |
