| Countries of the Soviet Union | 0 | - | 4.98 | 194,208 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,455 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,928 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,868 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,046 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,664 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,884 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,889 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,674 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,444 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,426 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,701 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,173 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,295 |
| Random European Capital to Country | 0 | - | 4.98 | 189,761 |
| Random European Country to Capital | 0 | - | 4.92 | 147,867 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,440 |
| Every European Country Shape | 0 | - | 4.96 | 200,826 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,968 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,930 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,256 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,309 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,467 |
| The Only European Country ... | 0 | - | 4.91 | 215,133 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,080 |
| Vietnam War Countries | 0 | - | 4.83 | 93,890 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,319 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,466 |
| Countries of Africa | 0 | - | 5.00 | 2,521,364 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,867 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,945 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,029 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,229 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,284 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,783 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,663 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,528 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,888 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,759 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,021 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,478 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,425 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,601 |
| Countries of the Middle East | 0 | - | 4.96 | 199,845 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,738 |
| Slavic Countries | 0 | - | 4.96 | 111,254 |
| African Island Countries | 0 | - | 4.96 | 101,156 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,683 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,258 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,306 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,972 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,749 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,219 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,152 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,231 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,401 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,515 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,698 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,893 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,679 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,728 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,584 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,836 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,862 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,079 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,635 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,743 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,614 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,465 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,354 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,018 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,905 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,584 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,534 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,781 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,772 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,723 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,744 |
| Monarchies of Europe | 0 | - | 4.90 | 97,700 |
| Monarchies of Asia | 0 | - | 4.97 | 70,828 |
| Countries of the German Empire | 0 | - | 4.51 | 37,786 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,665 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,627 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,638 |
| The Only African Country ... | 0 | - | 4.99 | 128,699 |
| The Only American Country ... | 0 | - | 4.92 | 121,167 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,462 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,399 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,915 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,497 |
| Countries That Border Russia | 0 | - | 4.98 | 460,324 |
| European Countries with One Border | 0 | - | 4.97 | 182,115 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,978 |
| Countries Bordering France | 0 | - | 4.83 | 401,115 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,003 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,717 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,491 |
| UK Immigration by Country | 0 | - | 4.94 | 140,319 |
| Central American Countries | 0 | - | 4.98 | 155,516 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,050 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,257 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,070 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,765 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,446 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,458 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,097 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,975 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,742 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,244 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,511 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,635 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,489 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,683 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,722 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,383 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,767 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,596 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,548 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,154 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,698 |
| Germany Country Quiz | 0 | - | 4.82 | 157,179 |
| Russia Country Quiz | 0 | - | 4.85 | 114,040 |
| Italy Country Quiz | 0 | - | 4.82 | 122,672 |
| Japan Country Quiz | 0 | - | 4.92 | 141,903 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,957 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,092 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,920 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,190 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,835 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,666 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,774 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,932 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,035 |
| Hindu Countries | 0 | - | 4.86 | 49,821 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,095 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,194 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,292 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,895 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,531 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,402 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,997 |
| Every African Country Shape | 0 | - | 4.90 | 86,607 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,821 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,896 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,518 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,788 |
| Countries Bordering India | 0 | - | 4.98 | 163,198 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,929 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,026 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,029 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,293 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,011 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,338 |
| Countries that Border China | 0 | - | 4.96 | 262,489 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,072 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,677 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,273 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,398 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,062 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,370 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,808 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,634 |
| Countries that Border Poland | 0 | - | 4.99 | 171,782 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,009 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,247 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,168 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,910 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,657 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,177 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,406 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,697 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,414 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,222 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,563 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,695 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,974 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,142 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,209 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,241 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,730 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,083 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,872 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,679 |
| Countries Closest to India | 0 | - | 4.97 | 102,458 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,231 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,897 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,713 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,410 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,133 |
| Countries that Beat China | 0 | - | 4.86 | 115,188 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,247 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,396 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,518 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,724 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,842 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,563 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,259 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,666 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,367 |
