| Neutral European Countries of WWII | 0 | - | 4.91 | 160,475 |
| Vietnam War Countries | 0 | - | 4.83 | 93,616 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,750 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,358 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,309 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,862 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,630 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,889 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,276 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,865 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,847 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,282 |
| Countries of Africa | 0 | - | 5.00 | 2,508,045 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,686 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,317 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,005 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,571 |
| The Only European Country ... | 0 | - | 4.91 | 213,850 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,159 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,546 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,211 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,497 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,734 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,959 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,241 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,691 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,090 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,236 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,298 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,279 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,572 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,816 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,838 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,348 |
| Countries of the Middle East | 0 | - | 4.96 | 198,939 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,272 |
| Slavic Countries | 0 | - | 4.96 | 110,863 |
| African Island Countries | 0 | - | 4.96 | 100,794 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,720 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,714 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,497 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,119 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,632 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,719 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,771 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,158 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,169 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,294 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,282 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,425 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,258 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,518 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,683 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,782 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,506 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,974 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,005 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,864 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,598 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,288 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,210 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,383 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,624 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,364 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,346 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,372 |
| Monarchies of Europe | 0 | - | 4.90 | 97,327 |
| Monarchies of Asia | 0 | - | 4.97 | 70,609 |
| Countries of the German Empire | 0 | - | 4.51 | 37,664 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,797 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| The Only American Country ... | 0 | - | 4.92 | 120,764 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,779 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,251 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,044 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,401 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,053 |
| European Countries with One Border | 0 | - | 4.97 | 181,636 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,529 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,112 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,977 |
| UK Immigration by Country | 0 | - | 4.94 | 139,648 |
| Central American Countries | 0 | - | 4.98 | 155,062 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,665 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,942 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,267 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,366 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,256 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,092 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,805 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,778 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,461 |
| Arms Exports - United States | 0 | - | 4.70 | 54,363 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,217 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,252 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,123 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,494 |
| Countries That Border Russia | 0 | - | 4.98 | 458,935 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,496 |
| Countries Bordering France | 0 | - | 4.83 | 399,154 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,070 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,219 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,511 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,205 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,982 |
| Germany Country Quiz | 0 | - | 4.82 | 156,555 |
| Russia Country Quiz | 0 | - | 4.85 | 113,642 |
| Italy Country Quiz | 0 | - | 4.82 | 122,214 |
| Japan Country Quiz | 0 | - | 4.92 | 141,262 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,153 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,855 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,822 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,038 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,965 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,603 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,458 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,076 |
| Random European Capital to Country | 0 | - | 4.98 | 189,219 |
| Random European Country to Capital | 0 | - | 4.92 | 147,460 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,403 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,423 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,793 |
| Biggest British Empire Countries | 0 | - | 4.75 | 95,201 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,896 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,856 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,153 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,498 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,342 |
| Every European Country Shape | 0 | - | 4.96 | 200,188 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,715 |
| Every African Country Shape | 0 | - | 4.90 | 86,129 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,102 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,182 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,158 |
| Countries Bordering India | 0 | - | 4.98 | 162,605 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,702 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,782 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,928 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,790 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,218 |
| Countries that Border China | 0 | - | 4.96 | 261,825 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,853 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,533 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,085 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,230 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,755 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,306 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,492 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,453 |
| Countries that Border Poland | 0 | - | 4.99 | 171,363 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,478 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,860 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,939 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,706 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,281 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,538 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,318 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,382 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,511 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,807 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,892 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,970 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,362 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,754 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,353 |
| Countries Closest to India | 0 | - | 4.97 | 102,211 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,917 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,337 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,536 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,113 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,110 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,329 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,554 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,106 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,650 |
| Hindu Countries | 0 | - | 4.86 | 49,584 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,734 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,599 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,424 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,069 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,559 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,284 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,855 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,810 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,586 |
| Countries that Beat China | 0 | - | 4.86 | 114,718 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,903 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,619 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,761 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,413 |
