| Countries of the Soviet Union | 0 | - | 4.98 | 193,713 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,191 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,382 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,108 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,823 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,589 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,237 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,435 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,369 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,271 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,689 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,086 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,799 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Random European Capital to Country | 0 | - | 4.98 | 189,084 |
| Random European Country to Capital | 0 | - | 4.92 | 147,356 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,209 |
| Every European Country Shape | 0 | - | 4.95 | 199,872 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,612 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,779 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,745 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,374 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,241 |
| The Only European Country ... | 0 | - | 4.91 | 213,554 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,891 |
| Vietnam War Countries | 0 | - | 4.83 | 93,542 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,358 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,432 |
| Countries of Africa | 0 | - | 5.00 | 2,505,160 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,383 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,650 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,423 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,903 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,780 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,085 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,187 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,194 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,533 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,499 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,735 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,748 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,089 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,314 |
| Countries of the Middle East | 0 | - | 4.96 | 198,745 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,177 |
| Slavic Countries | 0 | - | 4.96 | 110,784 |
| African Island Countries | 0 | - | 4.96 | 100,685 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,463 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,687 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,605 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,386 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,953 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,510 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,610 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,686 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,120 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,095 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,212 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,485 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,172 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,332 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,147 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,442 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,646 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,702 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,483 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,755 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,842 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,713 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,917 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,770 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,493 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,037 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,114 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,585 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,263 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,277 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,305 |
| Monarchies of Europe | 0 | - | 4.90 | 97,229 |
| Monarchies of Asia | 0 | - | 4.97 | 70,546 |
| Countries of the German Empire | 0 | - | 4.51 | 37,625 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,584 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,388 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,594 |
| The Only African Country ... | 0 | - | 4.99 | 128,288 |
| The Only American Country ... | 0 | - | 4.92 | 120,675 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,746 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,207 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,975 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,243 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,941 |
| Countries That Border Russia | 0 | - | 4.98 | 458,620 |
| European Countries with One Border | 0 | - | 4.97 | 181,492 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,002 |
| Countries Bordering France | 0 | - | 4.85 | 397,305 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,769 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,028 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,944 |
| UK Immigration by Country | 0 | - | 4.94 | 139,509 |
| Central American Countries | 0 | - | 4.98 | 154,936 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,554 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,063 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,123 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,308 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,166 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,018 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,743 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,722 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,389 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,608 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,136 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,183 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,048 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,457 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,426 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,174 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,432 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,133 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,949 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,382 |
| Germany Country Quiz | 0 | - | 4.82 | 156,421 |
| Russia Country Quiz | 0 | - | 4.85 | 113,575 |
| Italy Country Quiz | 0 | - | 4.82 | 122,094 |
| Japan Country Quiz | 0 | - | 4.92 | 141,133 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,002 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,799 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,795 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,004 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,205 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,337 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,759 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,852 |
| Hindu Countries | 0 | - | 4.85 | 49,457 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,786 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,046 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,112 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,689 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,208 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,083 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,504 |
| Every African Country Shape | 0 | - | 4.90 | 85,882 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,301 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,052 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,134 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,062 |
| Countries Bordering India | 0 | - | 4.98 | 162,547 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,628 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,678 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,894 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,959 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,734 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,188 |
| Countries that Border China | 0 | - | 4.96 | 261,718 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,791 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,485 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,025 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,166 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,664 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,281 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,377 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,386 |
| Countries that Border Poland | 0 | - | 4.99 | 171,239 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,330 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,747 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,891 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,666 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,172 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,258 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,479 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,109 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,157 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,338 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,460 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,761 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,769 |
| Countries Closest to Cyprus | 0 | - | 4.90 | 54,828 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,884 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,267 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,737 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,729 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,242 |
| Countries Closest to India | 0 | - | 4.96 | 102,156 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,848 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,192 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,493 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,055 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,413 |
| Countries that Beat China | 0 | - | 4.86 | 114,627 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,800 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,026 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,279 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,587 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,743 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,389 |
| Egypt Country Quiz | 0 | - | 4.82 | 76,991 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 30,480 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,520 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,278 |
