| Countries of the Soviet Union | 0 | - | 4.98 | 190,885 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 78,358 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 156,744 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 231,902 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 102,355 |
| Countries of Europe After World War II | 0 | - | 4.99 | 181,714 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 150,480 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 76,848 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 92,299 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 103,914 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 103,225 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 92,929 |
| African Countries with the Most Christians | 0 | - | 4.93 | 72,701 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 81,118 |
| Random European Capital to Country | 0 | - | 4.97 | 183,673 |
| Random European Country to Capital | 0 | - | 4.93 | 143,503 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 70,804 |
| Every European Country Shape | 0 | - | 4.95 | 182,970 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 78,840 |
| Countries That Use the Euro | 0 | - | 4.96 | 83,755 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 106,881 |
| Biggest British Empire Countries | 0 | - | 4.73 | 85,013 |
| The Only European Country ... | 0 | - | 4.91 | 201,705 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 203,053 |
| Vietnam War Countries | 0 | - | 4.81 | 91,005 |
| European Countries NOT in NATO | 0 | - | 4.88 | 52,848 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 90,196 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 60,730 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 98,246 |
| Countries of Africa | 0 | - | 5.00 | 2,395,384 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 160,938 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 92,438 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 188,349 |
| Biggest Trading Partners – Australia | 0 | - | 4.92 | 59,007 |
| Countries of Europe by Population | 0 | - | 4.98 | 167,788 |
| Most Populous Countries by Year | 0 | - | 4.81 | 104,431 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,238 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,334 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 81,439 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,020 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,117 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 93,557 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,283,495 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 206,830 |
| Biggest Roman Empire Countries | 0 | - | 4.89 | 99,360 |
| Countries of the Middle East | 0 | - | 4.95 | 191,216 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 84,238 |
| Slavic Countries | 0 | - | 4.96 | 107,778 |
| African Island Countries | 0 | - | 4.96 | 97,125 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 40,869 |
| Countries of North America Quiz | 0 | - | 5.00 | 968,273 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 121,224 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 102,672 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 130,660 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 210,165 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 187,149 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 149,384 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,731 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 139,402 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 146,618 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 112,371 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 156,233 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 95,553 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 104,071 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 73,596 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 68,524 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 52,684 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 222,568 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 175,143 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 171,805 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 99,953 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 105,510 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 169,320 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 114,228 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 120,869 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 26,319 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 56,412 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 130,507 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 107,248 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 102,058 |
| Monarchies of Europe | 0 | - | 4.89 | 94,193 |
| Monarchies of Asia | 0 | - | 4.96 | 68,869 |
| Countries of the German Empire | 0 | - | 4.51 | 36,527 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,066 |
| Asian Country Superlatives | 0 | - | 4.83 | 78,205 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 126,801 |
| The Only African Country ... | 0 | - | 4.98 | 125,765 |
| The Only American Country ... | 0 | - | 4.92 | 116,937 |
| African Countries by a Single Clue | 0 | - | 4.92 | 66,522 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 70,339 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 91,431 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 131,601 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 100,714 |
| Countries That Border Russia | 0 | - | 4.98 | 449,057 |
| European Countries with One Border | 0 | - | 4.97 | 176,957 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 173,547 |
| Countries Bordering France | 0 | - | 4.87 | 377,732 |
| Countries Bordering Germany | 0 | - | 4.99 | 358,666 |
| Countries Closest to Africa | 0 | - | 4.95 | 152,194 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 84,226 |
| UK Immigration by Country | 0 | - | 4.94 | 135,400 |
| Central American Countries | 0 | - | 4.98 | 149,636 |
| Caribbean Countries and Territories | 0 | - | 4.82 | 109,868 |
| Total United States Immigration by Country | 0 | - | 4.90 | 105,987 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.96 | 212,869 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 192,088 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 117,093 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 110,140 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 88,328 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 98,205 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 56,190 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 76,738 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 120,589 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 188,782 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 122,958 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 30,140 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 120,784 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.85 | 86,469 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 88,548 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 65,965 |
| Countries Closest to Australia | 0 | - | 4.99 | 163,047 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 81,143 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 241,034 |
| Germany Country Quiz | 0 | - | 4.82 | 151,782 |
| Russia Country Quiz | 0 | - | 4.83 | 110,517 |
| Italy Country Quiz | 0 | - | 4.81 | 118,119 |
| Japan Country Quiz | 0 | - | 4.92 | 129,603 |
| United Kingdom Country Quiz | 0 | - | 4.95 | 132,113 |
| Tanzania Country Quiz | 0 | - | 4.90 | 31,818 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 33,851 |
| Random Asian Country to Capital | 0 | - | 4.92 | 92,088 |
| Random Asian Capital to Country | 0 | - | 4.97 | 97,294 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 69,628 |
| Biggest French Empire Countries | 0 | - | 4.50 | 63,941 |
| Hindu Countries | 0 | - | 4.85 | 47,350 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 135,568 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 86,990 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 94,228 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 70,242 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 68,935 |
| Countries With the Most German Speakers | 0 | - | 4.87 | 65,371 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.94 | 30,156 |
| Every Asian Country Shape | 0 | - | 4.94 | 82,900 |
| Every African Country Shape | 0 | - | 4.91 | 80,805 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 141,465 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 74,195 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 73,377 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 144,848 |
| Countries Bordering India | 0 | - | 4.98 | 161,045 |
| Countries that Border Hungary | 0 | - | 4.98 | 101,766 |
| Countries Bordering Austria | 0 | - | 4.97 | 115,307 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 68,802 |
| Countries Bordering Brazil | 0 | - | 4.96 | 128,813 |
| Countries Bordering Iran | 0 | - | 4.83 | 93,045 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 62,998 |
| Countries that Border China | 0 | - | 4.96 | 257,014 |
| Countries that Border Iraq | 0 | - | 4.97 | 106,102 |
| Countries Bordering Kenya | 0 | - | 4.87 | 61,271 |
| Countries Bordering Myanmar | 0 | - | 4.86 | 75,284 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 116,296 |
| Countries Bordering Serbia | 0 | - | 4.96 | 89,132 |
| Countries Bordering South Africa | 0 | - | 4.97 | 91,612 |
| Countries Bordering Turkey | 0 | - | 4.98 | 114,261 |
| Countries Bordering Italy | 0 | - | 4.94 | 98,617 |
| Countries that Border Poland | 0 | - | 4.99 | 167,467 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 103,358 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 86,911 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 74,303 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 57,541 |
| Countries that Visit the UK the Most | 0 | - | 4.86 | 70,649 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 48,163 |
| Countries that Visit France the Most | 0 | - | 4.83 | 43,359 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 81,186 |
| Countries Closest to Spain | 0 | - | 4.95 | 219,387 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 80,516 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 91,477 |
| Countries Closest to Metropolitan France | 0 | - | 4.88 | 70,073 |
| Countries Closest to Iceland | 0 | - | 4.88 | 69,501 |
| Countries Closest to Cyprus | 0 | - | 4.82 | 51,885 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 91,649 |
| Countries Closest to Canada | 0 | - | 4.90 | 193,249 |
| Closest Countries to North Korea | 0 | - | 4.93 | 118,650 |
| Countries Closest to Turkey | 0 | - | 4.96 | 122,307 |
| Countries Closest to India | 0 | - | 4.96 | 99,695 |
| Countries Closest to Japan | 0 | - | 4.92 | 134,622 |
| Countries Closest to Italy | 0 | - | 4.97 | 191,206 |
| Countries Closest to Ethiopia | 0 | - | 4.89 | 66,939 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 70,045 |
| Countries that Beat the United States | 0 | - | 4.93 | 159,672 |
| Countries that Beat China | 0 | - | 4.86 | 110,991 |
| Countries that Beat Russia | 0 | - | 4.83 | 78,733 |
| Countries that Beat Australia | 0 | - | 4.91 | 89,598 |
| Colombia Country Quiz | 0 | - | 4.90 | 38,778 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,084 |
| Jordan Country Quiz | 0 | - | 4.85 | 30,269 |
| Egypt Country Quiz | 0 | - | 4.81 | 75,245 |
| Moldova Country Quiz | 0 | - | 4.81 | 29,552 |
| Tuvalu Country Quiz | 0 | - | 4.85 | 20,711 |
| Andorra Country Quiz | 0 | - | 4.89 | 30,298 |
| Burkina Faso Country Quiz | 0 | - | 4.85 | 24,090 |
