| Countries of the Soviet Union | 0 | - | 4.98 | 194,079 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,373 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,708 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,674 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,962 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,071 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,653 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,739 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,587 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,375 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,257 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,527 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,040 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,219 |
| Random European Capital to Country | 0 | - | 4.98 | 189,567 |
| Random European Country to Capital | 0 | - | 4.92 | 147,721 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,380 |
| Every European Country Shape | 0 | - | 4.96 | 200,593 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,853 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,570 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,075 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,030 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,194 |
| The Only European Country ... | 0 | - | 4.91 | 214,655 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,706 |
| Vietnam War Countries | 0 | - | 4.83 | 93,787 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,022 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,393 |
| Countries of Africa | 0 | - | 5.00 | 2,515,703 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,725 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,861 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,841 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,111 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,819 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,597 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,549 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,440 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,808 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,697 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,955 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,001 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,981 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,506 |
| Countries of the Middle East | 0 | - | 4.96 | 199,507 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,544 |
| Slavic Countries | 0 | - | 4.96 | 111,085 |
| African Island Countries | 0 | - | 4.96 | 101,012 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,605 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,225 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,066 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,770 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,496 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,975 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,973 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,038 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,306 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,390 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,550 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,773 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,524 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,613 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,469 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,698 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,790 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,958 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,582 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,444 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,376 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,233 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,189 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,936 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,797 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,409 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,377 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,705 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,604 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,542 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,610 |
| Monarchies of Europe | 0 | - | 4.90 | 97,553 |
| Monarchies of Asia | 0 | - | 4.97 | 70,738 |
| Countries of the German Empire | 0 | - | 4.51 | 37,738 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,640 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,545 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,325 |
| The Only African Country ... | 0 | - | 4.99 | 128,576 |
| The Only American Country ... | 0 | - | 4.92 | 121,034 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,861 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,368 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,223 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,707 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,327 |
| Countries That Border Russia | 0 | - | 4.98 | 459,877 |
| European Countries with One Border | 0 | - | 4.97 | 181,919 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,820 |
| Countries Bordering France | 0 | - | 4.83 | 400,644 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,634 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,579 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,331 |
| UK Immigration by Country | 0 | - | 4.94 | 139,958 |
| Central American Countries | 0 | - | 4.98 | 155,351 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,874 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,713 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,719 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,606 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 116,968 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,303 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,978 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,901 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,636 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,027 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,406 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,463 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,342 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,602 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,633 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,323 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,680 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,549 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,428 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,085 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,891 |
| Germany Country Quiz | 0 | - | 4.82 | 156,917 |
| Russia Country Quiz | 0 | - | 4.85 | 113,870 |
| Italy Country Quiz | 0 | - | 4.82 | 122,503 |
| Japan Country Quiz | 0 | - | 4.92 | 141,617 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,608 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,991 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,886 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,126 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,316 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,874 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,553 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,648 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,866 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,990 |
| Hindu Countries | 0 | - | 4.86 | 49,720 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,006 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,144 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,240 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,838 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,129 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,981 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,878 |
| Every African Country Shape | 0 | - | 4.90 | 86,431 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,670 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 80,591 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,349 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,511 |
| Countries Bordering India | 0 | - | 4.98 | 163,104 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,850 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,942 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,985 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,223 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,924 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,291 |
| Countries that Border China | 0 | - | 4.96 | 262,180 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,978 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,610 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,202 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,335 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,950 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,348 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,682 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,577 |
| Countries that Border Poland | 0 | - | 4.99 | 171,620 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,787 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,094 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,086 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,819 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,528 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,367 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,641 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,329 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,996 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,487 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,622 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,913 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,035 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,092 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,144 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,565 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,974 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,829 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,571 |
| Countries Closest to India | 0 | - | 4.97 | 102,366 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,098 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,695 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,640 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,285 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,918 |
| Countries that Beat China | 0 | - | 4.86 | 114,984 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,119 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,281 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,443 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,686 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,806 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,500 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,165 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,617 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,335 |
