| Countries of the Soviet Union | 0 | - | 4.98 | 194,785 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,845 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,737 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,659 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,360 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,683 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,824 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,519 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,179 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,683 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,235 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,443 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,753 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,779 |
| Random European Capital to Country | 0 | - | 4.98 | 191,207 |
| Random European Country to Capital | 0 | - | 4.93 | 165,363 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,788 |
| Every European Country Shape | 0 | - | 4.96 | 202,154 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,399 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,508 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,074 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,637 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,173 |
| The Only European Country ... | 0 | - | 4.91 | 217,322 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,745 |
| Vietnam War Countries | 0 | - | 4.82 | 94,350 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,529 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,733 |
| Countries of Africa | 0 | - | 5.00 | 2,544,030 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,621 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,531 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,847 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,696 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,397 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,856 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,489 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,297 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,902 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,332 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,638 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,496 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,310 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,995 |
| Countries of the Middle East | 0 | - | 4.96 | 201,622 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,536 |
| Slavic Countries | 0 | - | 4.96 | 111,869 |
| African Island Countries | 0 | - | 4.96 | 101,850 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,953 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,513 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,202 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,753 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,797 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,292 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,895 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,992 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,700 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,381 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,408 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,774 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,452 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,349 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,212 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,415 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,278 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,655 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,840 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,307 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,203 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,630 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,325 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,570 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,905 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,504 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,076 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,086 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,516 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,261 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,194 |
| Monarchies of Europe | 0 | - | 4.90 | 98,327 |
| Monarchies of Asia | 0 | - | 4.97 | 71,205 |
| Countries of the German Empire | 0 | - | 4.51 | 38,009 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,775 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,004 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,404 |
| The Only African Country ... | 0 | - | 4.99 | 129,264 |
| The Only American Country ... | 0 | - | 4.92 | 121,798 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,197 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,874 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,817 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,233 |
| Countries That Border Russia | 0 | - | 4.98 | 462,750 |
| European Countries with One Border | 0 | - | 4.97 | 183,093 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,870 |
| Countries Bordering France | 0 | - | 4.83 | 403,467 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,588 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,376 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,190 |
| UK Immigration by Country | 0 | - | 4.94 | 141,137 |
| Central American Countries | 0 | - | 4.98 | 156,744 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,934 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,846 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,754 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,768 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,791 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,393 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,360 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,679 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,341 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,383 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,190 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,006 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,298 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,225 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,109 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,163 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,660 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,259 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,808 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,106 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,492 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,910 |
| Germany Country Quiz | 0 | - | 4.83 | 158,144 |
| Russia Country Quiz | 0 | - | 4.83 | 114,678 |
| Japan Country Quiz | 0 | - | 4.93 | 142,708 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,133 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,456 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,125 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,409 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,881 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,542 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,581 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,947 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,176 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,224 |
| Hindu Countries | 0 | - | 4.86 | 50,290 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,501 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,469 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,519 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,254 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,430 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,286 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,964 |
| Every African Country Shape | 0 | - | 4.90 | 87,622 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,660 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,386 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,409 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,979 |
| Countries Bordering India | 0 | - | 4.98 | 163,545 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,401 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,643 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,546 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,905 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,642 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,625 |
| Countries that Border China | 0 | - | 4.96 | 263,522 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,707 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,955 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,863 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 131,837 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,643 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,810 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,502 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,012 |
| Countries that Border Poland | 0 | - | 4.99 | 172,576 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,916 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,970 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,552 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,256 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,349 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,442 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,652 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,957 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,850 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,322 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,966 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,118 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,275 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,725 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,713 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,695 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,560 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,563 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,013 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,549 |
| Countries Closest to India | 0 | - | 4.97 | 102,929 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,802 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,310 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,033 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,936 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,789 |
| Countries that Beat China | 0 | - | 4.85 | 116,091 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,040 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,998 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,795 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,920 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,979 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,644 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,878 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,479 |
